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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
1.0 GENERAL DESCRIPTIONS
The MX93011A is an engine chip for Digital-AnsweringMachine(DAM) . - It provides functional modules, including speech compression/decompression, silence management, telephone line signal processing, internal-ROM voice prompt, ARAM management, etc. - By using this chip, users do not need external microprocessors and can effectively reduce the system overall cost.
2.0 FEATURES
- High-quality speech compression/decompression algorithm for message recording/playback. 20 minutes of recording time for one 16M bits DRAM. - Low (4.8kbps) compression rate with silence management technique for voice prompt making - Maximum 8 personal mailboxes support (separate maximum 63 messages). - DTMF generation and detection with near-end echo cancellation. - Internal/external voice prompt ROM support. - Mask-in control code, external uP is not required. - DAM BIOS modes provide speech, timer, and telephone service. - Support standard sample program for customer development. - On-chip maskable ROM space for voice prompt use.(up to 50 seconds) - Provide single low crystal solution (FLL).
3.0 BLOCK DIAGRAM
Display
8.8.8.8
Speaker Microphone
Key Pad
MX93011A Speech and Control
Codec
DAA
Telephone Line
ARAM
P/N: PM0521
REV. 1.0 , Mar 23 ,1998
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
3.1 D.A.M. HARDWARE BLOCK DIAGRAM
8.8.8.8.
OPT8 ~ 11
OPT0 ~ 11
ALARM-CTL
Key Pad
IPT0 ~ 3
speaker
SPK-CTL
Vdd, Vcc, Vss
Codec
MIC-CTL
Power
POWLOW-DTR BATLOW-DTR
microphone telephone line
MX93011A
LINE-CTL OH-CTL PHO-DTR RING-DTR
DAA
ARAM
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
3.2 FIRMWARE FUNCTIONAL BLOCK
Program Code
System Control FW DAM BIOS And Algorithm
(internal default version)
speech processing
CALL DAM_BIOS Control of: - Keypad - LED - Security - Telephone - Timer - Power
CONF RESP
line signal processing (signal channel control) ARAM management (speech data I/O) timer maintenance
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4.0 PIN CONFIGURATIONS
ED11 ED12 ED13 VDD GND ED14 ED15 X1 X2 CAS\ DRD\ DWR\ RAS\ POPT15 POPT14 RST\ EROM POPT13 OPT12 OPT11 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
MX93011A
4
OPT10 OPT9 OPT8 OPT7 OPT6 OPT5 OPT4 OPT3 OPT2 OPT1 OPT0 X32I X32O XF\ IPT7 IPT6 IPT5 IPT4 IPT3 IPT2 IPT1 IPT0 VDD GND BIO7 BIO6 BIO5 BIO4 BIO3 BIO2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
ED10 ED9 ED8 ED7 ED6 ED5 ED4 ED3 ED2 ED1 GND VDD ED0 HOLD\ HOLDA\ EDCE\ EPCE\ ERD\ EWR\ EAD0 EAD1 EAD2 EAD3 EAD4 EAD5 EAD6 FLLEN\ GND EAD7 EAD8
APPLICATION NOTE
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 EAD9 EAD10 EAD11 EAD12 EAD13 EAD14 GND VDD EAD15 NMI\ INT1\ OPT18 CDR0 OPT17 CMCK CFS CDX0 OPT16 BIO0 BIO1
MX93011A
(E2 VERSION)
INDEX
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
5.0 PIN DESCRIPTIONS
POWER/CLOCK/CONTROL PINS:
SYMBOL VDD GND X1/VDD X2/GND RST\ XF\ HOLD\ HOLDA\ EROM NMI\ INT1\ X32O X32I FLLEN\ IS IS OA IS OA/Z IS IS IS PIN TYPE PIN NUMBER 23, 43, 69, 84 24, 44, 53, 70, 85 88 89 96 14 67 66 97 41 40 13 12 54 DESCRIPTION 5V power source Ground 32.256MHZ Crystal input/CONNECT to VDD in single low X'tal mode 32.256MHZ Crystal output/CONNECT to VDD in single low X'tal mode Power-on Reset . External flag if UPMODX=1. This pin can be directly written by one DSP instruction. Default inactive (5V output). Hold DSP clock down and release bus Ack to HOLD\ signal Disable internal ROM; use external ROM only. Non maskable interrupt pin. Interrupt pin 32.768KHZ Crystal output. 32.768KHZ Crystal input. 1: Dual X'tal Mode. 0: Single low X'tal Mode.
MEMORY INTERFACE PINS :
SYMBOL PIN TYPE PIN NUMBER 61-55, 52-45, 42 68, 71-83, 86-87 65 64 63 62 90 93 91 92 DESCRIPTION DSP IO/RAM/ROM external address bus. DRAM address. DSP IO/RAM/ROM/DRAM external data bus. With Soft latch feed back current is 250uA. External data chip enable. External program chip enable. SRAM/ROM/IO external read. SRAM/ROM/IO external write. DRAM column address select. DRAM row address select. DRAM read. DRAM write. EAD0-EAD14 are for
EAD0-EAD15 OA/Z ED0-ED15 EDCE\ EPCE\ ERD\ EWR\ CAS\ RAS\ DRD\ DWR\ IT/OA/ZR OA/Z OA/Z OA/Z OA/Z OA OA OA OA
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
CODEC INTERFACE PINS:
SYMBOL CFS CMCK CDX0 CDR0 PIN TYPE OA OA OA IS PIN NUMBER 35 36 34 38 DESCRIPTION Codec frame sync, 8 KHz. (9.6KHz) Output low in power down mode. Codec master clock, 1.536 MHz. Output low in power down mode. Codec data transmit Codec data receive
OPT : Output port
SYMBOL PIN TYPE PIN NUMBER 11-1,100-98 DESCRIPTION Output to pin, all output values are registered and may be read back when read by 'IN' instruction. Output to pin, when UPMODX=1
OPT0-OPT15 OB
95,94
OPT16-OPT18 IT/OA/ZR 33,37,39
BIO : Bi-direction I/O
SYMBOL BIO7-BIO0 PIN TYPE IT/OA PIN NUMBER 25-32 DESCRIPTION Input/output port when UPMODX=1. BIO15-BIO8, (see BIOR). Direction is controlled by
IPT : Input port
SYMBOL IPT4-IPT7 IPT0-IPT3 NOTE: IT TTL level input IS CMOS level schmidt trigger input (hysteresis:2V~3V) ISH CMOS level Schmidt trigger input with internal pull high resistor(~30k ohm) OA 8mA drive level output OB 16mA drive level output Z high impedance state ZR high impedance state with soft latch PIN TYPE IS ISH PIN NUMBER 18-15 22-19 DESCRIPTION Input port. Input port with internal pull high resister(R=30k ohm)
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
PIN TYPE SUMMARY :
INPUT : CMOS level schmidt trigger INPUT: IPT7~IPT4,CDR0,INT1\.NMI\,FLLEN\,HOLD\,RST\,EROM CMOS level schmidt trigger INPUT with internal pull high resister: IPT3~IPT0 8mA drive level output: XF\,CDX0,CFS, CMCK,RAS\,CAS\,DRD\,DWR\ 8mA drive level output/ high impedance state EAD15~EAD0,HOLDA\,EPCE\,EDCE\,ERD\,EWR\ 16mA drive level output : OPT15~OPT0
OUTPUT:
BI-DIRECTION: TTL level input/8mA OUTPUT /high impedance state BIO7~BIO0 TTL level input/8mA OUTPUT/high impedance state/soft latch ED15~ED0 , OPT18~OPT16
MULTIPLEX PINS
PIN NUMBER 25~32 39 37 33 14 PIN NAME BIO(7:0) OPT18 OPT17 OPT16 XF\ UPMODX=1 (non_up mode) Input/output port Output port Output port Output port External flag PIN NAME UPMODX=0(up mode) HDB(7:0) HILO HRD\ HWR\ ACK\ Host data bus High low data select Host read Host write Acknowledge to host
NOTE UPMODX:up mode select bit in CONTROL register,"0" is its power on reset value.
PIN NUMBER 88 89
NOTE FLLEN\:pin 54.
PIN NAME x1 x2
FLLEN\=1(Dual x'tal) 32.256MHz crystal input 32.256MHz crystal output
PIN NAME FLLEN\=0(single x'tal) VDD GND Power VDD Power ground
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
6.0 FUNCTIONAL DESCRIPTIONS
DAM BIOS Macronix DAM BIOS provides DSP embedded functional modules, including speech compression/decompression, telephone line signal processing, ROM voice prompt, ARAM management and time keeping. DAM BIOS service is requested via a DAM BIOS call with CONF (16 bits) parameter, and answered in RESP (16 bits) word. DAM BIOS supports 13 modes of service and responses useful to operational information about timing, ARAM utilization, detected DTMF.(see DAM BIOS format)
ARAM MANAGEMENT ARAM types and specifications supported by MXIC 93011A E1 version : 1. ARAM type : - 64K x 16 - 128K x 8, 128K x 16 - 256K x 4, 256K x 8, 256K x 16 - 512K x 2, 512K x 4, 512K x 8, 512K x 16 - 1M x 1, 1M x 2, 1M x 4, 1M x 8, 1M x 16 - 2M x 1, 2M x 2, 2M x 4, 2M x 8, 2M x 16 - 4M x 1, 4M x 2, 4M x 4, 4M x 8, 4M x 16 - 8M x 1, 8M x 2, 8M x 4, 8M x 8, 8M x 16 2.4M bits & larger density ARAM specifications : - ARAM speed is not less than 120 ns. - ARAM refresh use CAS-BEFORE-RAS mode. - The number of column address line is greater than or equal to 4. - There are no any failed bit in first 16 rows. - ARAM is separated to 16384 clusters, one bit of one cluster being failed will be a bad cluster. - DC/AC characteristics are the same as those of standard DRAM. - Maximum input/output leakage current is 2 uA. - Maximum stand-by current is 2mA. - Failed bits in each row are less 5%.
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Control code and voice prompt configuration :
There are three configurations for customer development or production. Configuration 1 : In this configuration, the BIOS+ALGORITHM and control codes are all running in the external high-speed EPROMs or SRAMs. DSP pin97 EROM must set to high.
External high-speed EPROMs or SRAMs 0000h 14K words 3800h 18K words 7FFFh
control code and internal voice prompt (address 3800h~7FFBh)
BIOS+ALGORITHM code (address 0000h~37FFh)
External low-speed EPROMs 0000h 0800h
external voice prompt data address 0800h
8000h
external voice prompt program address 8000h
FFFFh
This configuration is mainly used in the development stage and the speed of high-speed EPROMs or SRAMs must be less than 25ns.
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Configuration 2 : In this configuration, the BIOS+ALGORITHM code is running in the DSP internal ROM and the control code running in the external low-speed EPROMs. DSP pin97 EROM must set to low.
DSP internal ROM 0000h 14K words 3800h
BIOS+ALGORITHM code (address 000h~37FFh)
7FFFh
External low-speed EPROMs 0000h 0800h
external voice prompt data address 0800h
8000h
external voice prompt program address 8000h
E000h FFFFh
max. 8k words
control code (address E000h~FFFFh)
This configuration can be used in the development stage or for production. The control code must start with two words 1234h and 5678h.
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Configuration 3 : In this configuration, the BIOS+ALGORITHM and control codes are all running in the DSP internal ROM. DSP pin97 EROM must set to low. DSP internal ROM 0000h 14K words 3800h 18K words 7FFFh
control code and internal voice prompt (address 3800h~7FFBh)
BIOS+ALGORITHM code (address 000h~37FFh)
External low-speed EPROMs 0000h 0800h
external voice prompt data address 0800h
8000h
external voice prompt program address 8000h
FFFFh
This configuration is used for production. To set the voice prompt type, see DAM BIOS. Mode 7 (Set current Time/Voice Prompt/Silence Threshold)
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Message Recording and Storage
The MX93011A provides a high quality speech compression technique to permit around 20 minutes of speech storage in each 16M bit of DRAM device. The chip supports up to 63 variable length incoming and outgoing messages that are labeled as Msg ID 1 to 63. Although ICM could range from Msg 1 to 63, Msg IDs 63 to 57 are the only places for outgoing messages (OGM) storage so that the deletion and recovery of old OGM are easier to maintain. The Msg IDs of incoming messages are labeled chronologically and rearranged automatically after recording or deleting. ICM with Msg ID 1 is the oldest recorded incoming message. During recording, the MX93011A also monitors the telephone line signal to detect the presence of DTMF, Call Progress Tone and Continuous Tone and responses to the control program. The control program can stop recording, and delete the last n*400ms/200ms from the memory using a Record command with assigned Tail Cut factor. The MX93011A can generate a desired tone during recording voice message, which allows the application such as two-way recording. During recording, Record Pause function is provided. The recording voice signal, received through the CODEC input, is transmitted back to the CODEC output by the MX93011A.
or Delete-All-Old messages, are provided by the MX93011A in the command set.
Message Playback
Random access for playback of any new message or message with specified Msg ID is supported by the MX93011A. During playback, the MX93011A also monitors the telephone line signals, and Play Pause function is provided. The MX93011A is able to fast-forward the playback of a recorded message, and the playing speed will be up to 33%.
Message Deletion
The MX93011A provides two ways to delete recorded ICMs. One is the two-step method -- the combination of Del Mark and Real Del on Play command, and the other is the immediate method -- Delete command. The twostep method enables the control program to handle the deletion more flexibly, while the immediate method deletes a specified message directly.
Voice Prompt
For high-quality Voice Prompt playback, the MX93011A utilizes the built-in speech decoder and an internal ROM or/and external EPROM/ROM to store the vocabulary. The storage size of internal voice prompt is about 13K words (minimum 44 seconds). The chip also supports up to a 62-Kword external EPROM/ROM that allows minimum 3.44 minutes of voice prompt storage. The combination of internal (lower part) and external (upper part) voice prompt is allowed. The vocabulary supports up to 255 phrases. Given a phrase number in the Voice Prompt command from the control program, the MX93011A outputs the corresponding utterances to the Codec interface. The starting address of voice prompt data could be located at data address 0800hex, or program address 8000hex. During playback of the voice prompt, the MX93011A monitors the telephone line signals.
Outgoing Message (OGM) Record
The MX93011A provides flexible recording ways for outgoing message. The control program can select to delete the old OGM before a new one is recorded or to abort the new OGM record without losing the old OGM.
New/Old Message
For the control program to manipulate incoming messages more handily, the MX93011A keeps an internal record of the ICM to identify the new/old status of messages. Before playback, the status of ICM is considered as "new". All incoming messages that have been played could change their status to "old" by issuing Real Del bit on PLAY command. After Real Del is issued, all new/old ICM Msg IDs will be rearranged. The functions, Play-New
Time Keeping
There is a timer clock in the MX93011A. The control program can issue Set Time and Get Time commands to get time services. The clock also supports system to stamp time to the recorded incoming messages.
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
DTMF Detection
For remote control operation of the answering machine, the MX93011A monitors the incoming telephone line signal to detect the presence of DTMF signal.
Personal Mail
The MX93011A supports up to 8 mailboxes that may be used for personal mail application. Each mailbox has its own ICM/MEMO Msg ID. Before recording, playing or deleting messages, the control program should set the corresponding mailbox number first with Personal Mail command.
Tone Generation
Up to double tones can be generated by the MX93011A. The levels and frequencies are programmable by the control program.
Power Down
With the power of backup batteries, the MX93011A is capable of keeping messages and data stored in the ARAM during power failure. In power down mode, the MX93011A will run at a lower clock rate to reduce power consumption and keep refreshing the ARAM.
Call Progress Tone Detection
The MX93011A supports the detection of call progress tones within the band of 300-640 Hz for the incoming telephone line signal. The tone detector is implemented with a bandpass filter. Indication of the presence of call progress tones is responded to the control program, and could be used to terminate recording.
Crystal Connection
The MX93011A allows two ways of crystal connections: 1.Normal approach : use both high crystal (32.256 MHz) and low crystal(32768Hz). To enable this mode, the FLLEN\ (54) pin must be connected to VDD. In this mode, the DSP hgih clock is generated from the high crystal directly. And the low crystal is mainly used in Power Down mode. For the pin connection, refer to Appendix 1. 2.FLL (Frequency-Locked-Loop) approach : use only low crystal (32768 Hz) To enable this mode, the FLLEN\ (54) pin and X2 (89) pin must be connected to ground and the X1 (88) pin to VDD. In this mode,the low crystal is to generate all the DSP system clocks and the high crystal can be saved to reduce the overall system cost. For the pin connection, refer to Appendix 1.
Near End Echo Cancellation
The MX93011A implements a near end echo canceller in software to enhance the detection of DTMF and Call Progress Tone during Playback and Voice Prompt mode.
Vox Detection (Digital Voice Activated Recording)
The speech detection is implemented in the DAM chip to indicate whether the recording signal level is above the Vox threshold. If the control program sets the Vox Record bit on Initial command, the recording of the speech would start when the voice activity is detected. The control program has to set Vox threshold by issuing command mode 13. Hexadecimal numbers for Vox threshold are listed in Table 6.
Query and Report
The MX93011A is capable of reporting to the control program about the query of the current status, such as the number of recorded messages, the number of new messages, the number of old messages, the available recording time of ARAM, the time of recorded message, and the ARAM good/bad check.
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
7.0 OPERATIONAL DESCRIPTION
INITIAL PROCEDURE When the system is powered up, the RST\ pulse will INTERNAL RAM The MX93011A has internal RAM 2048 words. But only Address 0 to 127 (in data page 0, total 128 locations)are allocated for customer program usage. Other locations are reserved for the DAM BIOS and algorithm programs.
The control program can enter Power Down Mode by setting bit 11 of CTLR register. At the same time, bit 3 of CTLR reqister must also be cleared to use the low crystal as the system timer source. When enabling Power Down Mode, the system timer tick will be 1/32 second. To leave Power Down Mode, the steps are 1.Clear bit 11 of CTLR register to 0, then 2.Wait until bit 5 of CTLR register changes to 0. (the high crystal re-oscillates completely). 3.Finally, set bit 3 of CTLR register to 1 to use the high crystal as the system timer souce.
8.0 MODES OF OPERATION
ROM The MX93011A can support ROM space up to 64K words and there are 32K words in the internal ROM. The first 14K words of internal ROM are used by the DAM BIOS and alogorithm programs. The other 18K words are reserved for the customer program and voice prompt. INTERRUPT The MX93011A supports interrupts such as NMI, Single Step, Interrupt 1, Codec Interrupt, System Timer Interrupt and Trap Vector. All interrupts have entry points in the customer program and end up with RET instructions. In general cases, only System Timer Interrupt and Interrupt 1 require the customer maintenance. The MX93011A supports 13 modes of operation, that are listed as follows: BIOS Mode 1 2 3 4 5 6 7 8 9 10 11 12 13 Mode Name Record Play Message Status DTMF Generator Line Monitor Delete Message Set Current Time /Voice Prompt/ Silence Threshold Get Current Time Initial & Test Memory Get Record Message Information Voice Prompt Voice Activity Personal Mail
POWER LOW There are two solutions to save power consumption when power low happens: Software hold mode : The control program can enter Software Hold Mode by setting bit 10 of CTLR register (I/O register 7). When enabling Software Hold Mode, the MX93011A will halt until it is awaked by an interrupt. Power down mode : In this mode, the high crystal (32.256 MHz) will be disabled and the low crystal (32768 Hz) is used as the chip clock source.
Record
When Record command is received from the control program, the MX93011A performs speech compression, stores the message into ARAM, and monitors telephone line. If the Vox Record bit had been set to 1 on Initial & Test Memory command, recording of the speech will start upon the voice activity detected, else the MX93011A starts recording immediately after Record command is received.
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Clearing Marked Record (bit 8-10) to 0, if it is recording ICM. When recording OGM, the control program should set Marked Record (bit 8-10) to desired number other than 0 as OGM ID. Setting bit 5 (Annc Del) to 1 on Initial & Test Memory command, the control program can choose to delete the old OGM before a new one is recorded. If that bit is cleared to 0, the new OGM recording can be aborted without losing the old OGM by issuing Mark Fail (bit 11) on Record command. During recording, the control program can pause the recording by setting Pause (bit 7) to 1 and resume recording by clearing that bit. Line Monitoring will continue during pause. The control program can stop recording by setting Stop (bit 6) to 1, and delete the last n*400 ms/200ms from the memory by using a Record command with assigned Tail Cut factor (bit 0-5). While system memory is full, the MX93011A will stop message recording, show the status in response word (bit 7, Mfull). During Record mode, the control program can instruct the MX93011A to generate a tone by issuing the DTMF Generator command. Setting Stop bit on DTMF Generator command will stop tone generating. The MX93011A will terminate Record mode when Stop bit on Record command is set to 1. Note: The MX93011A supports up to 63 incoming and outgoing messages recording which are labeled as Msg ID 1-63. The Msg IDs of incoming message are labeled chronologically and rearranged automatically after recording. Although ICM could range from Msg ID 1 to 63, Msg IDs 63 to 57 are the only places for outgoing message storage. So, it is strongly suggested that the control program should keep an upper bound of the number of ICM. (For example, upper bound of ICM=63 maximum OGM number that will be applied in user's specification.)
new message (non-played one), set Play New (bit 10) to 1, then the MX93011A will search to play the non-played message with specified Msg ID. During playing, the control program can pause playback by setting Pause (bit8) to 1 and resume playing from the same point by clearing that bit. Line Monitoring will continue during pause. To fast playback a recorded message, set Fast Play (bit 11) to 1 and the playing speed will be up to 33%. To delete and stop the playing message, the control program can set Del Mark (bit 6) on Play command. After being tagged a "Del Mark", the marked message is not really deleted until a Real Del (bit 7) is set. The Real Del command not only deletes the messages that have been tagged a "Del Mark" but also changes the status of those ICMs that have been played to old. The ICMs that have not been played before are regarded as "new" . After Real Del is issued, all new/old ICM Msg IDs will be rearranged. For the control program, it is used to issue the Real Del after the user terminates the manner of playback. The response word contains the information of tones detected from the line, playing time spent (bit 8-15) and End of play flag (bit 6), which indicates the end of the current message. When the Play-End bit is 1, the MX93011A stops playback . The MX93011A will terminate Play mode when Stop bit, Del Mark bit or Real Del bit is set to 1 on Play command.
Message status In this mode, there are five request codes for the control program to get message information: 1.Get the number of recorded messages (request code=0) 2.Get the number of new messages (request code=1) 3.Get the number of old messages (request code=2) 4.Get the available recording time with unit of second (request code=3). 5.Get the DAM BIOS version (request code=4) The result will be reported in the response word.
Play
When Play command is received from the control program, the MX93011A performs message playback and line monitoring. The Msg ID (bit 0-5) is set by the control program to specify which message to play. To playback
DTMF Generator
In this mode, up to double tones can be generated by the MX93011A. The tone levels and frequencies are programmable and controlled by the control program. The DTMF Generator command defines the output gains in bit
15
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
0-3 for the 1st tone, and bit 4-7 for the 2nd tone. Each tone can be programmed from 3 dB (gain code 0000) to -25 dB (gain code 1110) with 2 dB resolution. The frequencies are defined in the variables BUF1 and BUF2 with the following relationship: frequency code=desired frequency (Hz) *8.19 f(n)=32767*cos (2*pi*f_code*n/(8000*8.19)) where f_code is the input frequency code, n is sequence index and 8000 is the sampling rate For single tone, Codec outputs the signal s(n): s(n)=gain*f(n) For dual tone, Codec outputs the signal s(n): s(n)=0.5*(gain1*f1(n)+gain2*f2(n)) To generate a single tone, the gain code of the other tone should be set to 1111. The MX93011A starts tone generation only after receiving the start command. The MX93011A will terminate DTMF Generator when Stop bit is set to 1 on DTMF Generator command.
The MX93011A will terminate Line Monitor mode when Stop bit is set to 1 on Line Monitor command.
Delete Message
This mode provides an immediate way to delete messages as follows: 1.To delete a specified message, set its Msg ID in bit 05 and clear bit 11, 10 and 7 to zero. 2.To delete all old ICM, set Del-All-Old (bit 7) to 1 and clear bit 11, 10 to zero. (Bit 0-5 is ignored) 3.To delete a specified new ICM, set Del-New-Msg (bit 10) to 1, give the New Msg ID in bit 0-5, clear bit 11, 7 to zero. 4.To erase the "Del Mark" from a specified ICM ("Del Mark" is a tag set on Play command for deletion), set DelMark-Clr (bit 11) to 1, give the Msg ID in bit 0-5 and clear bit 10, 7 to zero.
Line Monitor
In this mode the MX93011A monitors the telephone line signal for the detection of DTMF, Call Progress Tone, Vox, and/or Continuous Tone. The MX93011A keeps monitoring the line until Stop bit is set to 1. The MX93011A returns to the control program a response word that reflects the flag of Call Progress Tone, Vox, Continuous Tone and the index of DTMF signal that has been detected: INDEX 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 DTMF CODE No Tone 1 2 3 4 5 6 7 8 9 * 0 #
Set Current Time/Voice Prompt/Silence Threshold
In this mode the control program can set the current time to the timer clock of the MX93011A. The time information includes second, minute, hour and week. The timer in the MX93011A will be used to stamp time and data to the recorded message. 1.To set second, put the data in bit 0-7 and use request code(bit 8-11) 0000. 2.To set minute, put the data in bit 0-7 and use request code(bit 8-11) 0001. 3.To set hour, put the data in bit 0-7 and use request code(bit 8-11) 0010. 4.To set week, put the data in bit 0-7 and use request code(bit 8-11) 0011. 5.To set voice prompt configuration, put the selection data in bit 0-1 and use request code(bit 8-11) 0110. 6.To set silence threshold level , put the data in bit 0-3 and use request code(bit 8-11) 0111.
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INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Get Current Time
In this mode the control program can get the current time from the timer clock of the MX93011A. The time information includes second, minute, hour and week. 1.To get second, use request code (bit 8-11) 0000. 2.To get minute, use request code (bit 8-11) 0001. 3.To get hour, use request code (bit 8-11) 0010. 4.To get week, use request code (bit 8-11) 0011. The requested data will be reported in the response word.
system is logged in from telephone line; and clear that bit to 0 if in local keypad operation. Failing to set this bit properly will degrade the performance of echo cancellation.
4. Vox On/Off Record
If the control program turns on the Vox Record function (by setting bit 4 to one) on this command, speech recording will start upon the voice activity detected, else recording will start immediately after Record command is issued.
5.OGM Deletion
By setting bit 5 (Annc Del) to 1 on this command, the control program can choose to delete the old OGM before recording a new one. If that bit is cleared to 0, the old OGM is not deleted until the new OGM recording is completed. With this option, the new OGM recording can be aborted without losing the old OGM by issuing Mark Fail (bit 11) on Record command.
Initial & Test Memory
In this mode there are 7 functions for the control program to define:
1.ARAM Initialization
The control program can initialize the ARAM by setting Init ARAM (bit 0) to 1. At the same time, the initialization procedure can be set to normal (around 89 sec. for 1Mx16ARAM) or fast (around 17 sec. for 1Mx16 ARAM) by setting Fast ARAM Test (bit 2) to 0 or 1. This function is normally used after first power-up of the system. The control program must send this command to the MX93011A in order to format ARAM. The MX93011A performs ARAM formatting to determine the ARAM size (address space and bit width) and detect the good/bad memory unit of ARAM. The response word reported to the control program contains the information of ARAM bit size (bit 0-3), ARAM address size (bit 4-7) , ARAM good/ bad status (bit 8) and ARAM good rate (bit 9~15). If the examination in the initialization shows that the ARAM quality meets the pre-defined specification, the MX93011A responses 1 in ARAM good/bad status bit. After initialization, all messages in the ARAM are lost.
6.New/Old Select
By setting New/Old Select (bit 6), the control program can decide which condition a new message will be changed to an old one. There are two options. When this bit is set to 1, the new message that has been played (even not played end) is regarded as an old message. If this bit is set to 0, the new message that has been played end is regarded as old one.
7.Tail Cut Unit
By setting Tail Cut Unit (bit 7) to 1, the control program can choose the tail cut unit length to be 200ms. If this bit is cleared to 0, the unit length is 400ms.
2.ARAM Good/Bad Check
The MX93011A allows the control program to check the status of ARAM by setting the ARAM Check (bit 1) on this command. By checking the sum of ARAM management table, the MX93011A can identify the current ARAM status to be good or bad.
3.Line On/Off
The control program should set Line-On (bit 3) to 1 if the
17
INDEX
MX93011A
Get Record Message Information In this mode, there are nine request codes for the control program to get the related information about a specified message. Given the Msg ID (bit 0-5) and New-Msg flag (bit 7), the MX93011A can provide message recording time, recording length, attribute and "Del Mark" status according to the Request Code (bit 8-11) as follows: 1.Get the recording time -- second. (Request Code = 0000) 2.Get the recording time -- minute. (Request Code = 0001) 3.Get the recording time -- hour. (Request Code = 0010)
APPLICATION NOTE (E2 VERSION)
pause by clearing Pause bit to 0. Fast forward playback of voice prompt is also provided by setting Fast Play (bit 11) to 1. During Voice Prompt mode, the MX93011A keeps monitoring the line signal and sends the results in response word to the control program. The MX93011A will terminate Voice Prompt mode when Stop bit is set to 1 on Voice Prompt command.
Voice Activity
In this mode the contorl program can set the VOX threshold in bit 0-11. The Hexadecimal numbers for VOX level are listed in Table 6.
Personal Mail
4.Get the recording time -- week. (Request Code = 0011) Four functions are provided in this command as follows: 5.Get the recording length (sec). (Request Code = 0100) 6.Get the timer status. (Request Code = 0101) The response word is 1 if the MX93011A timer has been set before with Set Current Time command. Otherwise, the response word is 0. 7.Get the message ICM/MEMO attribute. (Request Code = 0110) To show the specified message is of MEMO type (*response word =1) or ICM type (response word = 0) 8.Get the Del Mark status(Request Code = 0111). To check if the specified message has been tagged a Del Mark (response word = 1) or not (response word = 0) 9.Get the message new/old status. (Request code=1000) To check if the specified message has been tagged an Old Mark (response word=1) or not (reponse word=1). (A new message will be tagged an Old Mark when it has been played/played end and changes to old message as Real Del command is issued.) All the results are reported in the response word. 1.Set the personal mailbox number In this mode the control program can select one out of eight mailboxes (setting in bit 0-2) for recording messages, playing recorded message and retrieving message time. Each mail box manages its own messages and Msg IDs. 2.Set the recording message attribute Before recording a message, the control program can set the attribute of that message to be MEMO or ICM. Clear bit 3 to zero for recording a message as an ICM or set bit 3 to one for recording a message as a MEMO. Make sure to set the desired mailbox before issuing the message related commands such as Record, Play, Delete Message and Get Record Message Information. 3.Set the output level The control program can set the level difference between the output (playback) speech and the corresponding input (recorded-in) speech. By setting the OUTPUT LEVEL bit to 1, the output speech level is equal to the input speech level, and clearing this bit to 0, the output speech level is about 5dB less than the input speech level. The default status is the later. 4.Set the codec data format The control program can select one of two codec data formats by setting the CODEC_FORMAT bit. When CODEC_FORMAT is set to 0, 8-bit u-law data format is selected, and set to 1, 16-bit linear data format is enabled. At present, MX93000 Codec family provide both u-law and linear formats, and the later is suggested because of the better speech quality. The default format is 8-bit u-law.
18
Voice Prompt
In this mode the MX93011A plays back a speech segment that the corresponding phrase number is given in command bit 0-7. Up to 255 speech segments, previously stored in Voice Prompt ROM,are provided by the MX93011A and pronounced using the speech decompression algorithm. The control program can pause the playback by setting Pause (bit 8) to 1 or resume from
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
9.0 DAM BIOS SERVICE FORMAT AND PROTOCAL
Mode 1. RECORD MODE
15 CONF 14 13 12 11
MARK
10
09 08
07
06
05
04
03
02
01
00
0001
Fail
Marked Record
Pause Stop
Tail Cut
Tail Cut -- 0~63 units. One unit length can be 400ms or 200ms (set by DAM BIOS Mode 9). Stop =1 stop recording Pause =1 pause recording =0 continue recording. Marked Record -- 000 -- record a general message. 001 -- record OGM1 and store it in message 63. 010 -- record OGM2 and store it in message 62. 011 -- record OGM3 and store it in message 61. 100 -- record OGM4 and store it in message 60. 101 -- record OGM5 and store it in message 59. 110 -- record OGM6 and store it in message 58. 111 -- record OGM7 and store it in message 57. MARK FAIL =1 give up and stop recording of the new OGMx and recover the original OGMx. if BIOS Mode 9 ANNC DEL=1,this bit will be ignored. When MARKED RECORD =0, do not set this bit. 15 RESP 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Record Time (sec)
Cont Mfull VOX Tone Tone
DTMF
DTMF -- the detected DTMF value during recording Cont Tone =1 Continuous tone is found Tone =1 call progress tone is found. VOX =1 the input speech power level is under the VOX LEVEL (set by BIOS Mode 12). Mfull =1 ARAMis full and no further recording is possible. in this case, one more STOP command is needed to completely stop the recording action. RECORD TIME -- recording time until now, 0~239 sec. DTMF Reference Table
index 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 DTMF CODE NO TONE 1 2 3 4 5 6 7 8 9 * 0 #
19
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Mode 2. PLAY MODE
15 CONF
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
0010
fast Play Real Del play New Stop Pause Del Mark
Msg ID
Msg ID -- 1~63 can be assigned for playing. Del Mark =1 stop playing and mark the current message with a "Del Mark". This messages will not be deleted until the REAL DEL command is done. Real Del =1 Delete the messages that have "Del Mark" and change the new messages that have been played to be old messages.(in this case, the MSG ID field is ignored) Pause =1 pause playing =0 continue playing Stop =1 Stop playing Play New =1 the MSG ID is related to new messages. =0 the MSG ID is related to total messages. Fast play =1 play speed will be up to 33%. =0 normal play speed.
15 RESP
14
13
12
11
10
09
08
07 0
06
05
04 0
03
02
01
00
Play Time (sec)
Play End Tone
DTMF
DTMF, and TONE -- see RECORD MODE. PLAY END = 1 the current message is played end. PLAY TIME -- playing time until now, 0~239 sec.
20
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Mode 3. MESSAGE STATUS MODE 15 CONF 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0011
00000000
Request Code
RESP
Data
REQUEST CODE:
REQUEST CODE 0000 0001 0010 0011 0100 STATUS number of recorded message number of new message number of old message available time BIOS version DATA 00 ~ 63 00 ~ 63 00 ~ 63 00 ~ 65535 00E1h
21
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Mode 4. DTMF GENERATOR MODE
15 CONF
14
13 0100
12
11
10
09
0
08
0
07
06
05
04
03
02
01
00
Start Stop
Gain2
Gain1
BUF1
16-bit Frequency 1
BUF2
16-bit Frequency 2 Gain1, Gain2 -- 0~14 denote 3dB ~ -25dB (2dB/one step). 15 denotes no related signal. STOP =1 stop the DTMF generation. START =1 Start the DTMF generation. when this bit is set, GAIN1 and GAIN2 must also be set and Frequency 1 is put in BUF1 (data address 7) and Frequency 2 in BUF2(data address 8). 16-bit Frequency = target frequence * 8.19. Note: for single-tone signals (GAIN1=15 or GAIN2=15), the output level is according to GAIN1 or GAIN2. But for dual-tone signals, the output level is equal to half of sum of two individual signals. Doing this can avoid saturation of output signals.
15 RESP
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
000000000000000
Mode 5. LINE MONITOR MODE
15 CONF
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
STOP
0101
00000000000
STOP =0 start and continue the line monitor mode. =1 stop the line monitor mode.
RESP
000000000
VOX Tone
Cont Tone
DTMF
DTMF,CONT TONE,TONE and VOX -- see RECORD MODE
22
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Mode 6. DELETE MESSAGE MODE
15 CONF 14 13 12 11 10 09 00 08 07
Del All Old
06 0
05
04
03
02
01
00
0110
Del Del Mark New CLR MSG
Msg ID
MSG ID -- 1~63. DEL ALL OLD =1 delete all old messages. (in this case, the MSG ID field is ignored) DEL NEW MSG =1 the MSG ID is related to new messages. =0 the MSG ID is related to total messages. DEL MARK CLR = 1 clear the message "Del Mark" (set by BIOS Mode 2 DEL MARK=1)
15 RESP
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
0110
000000000000
Mode 7. SET CURRENT TIME/VOICE PROMPT/SILENCE THRESHOLD 15 CONF 14 13 12 11 10 09 08 07 06 05 04
Data
03
02
01
00
0111
Request Code
RESP
0111
00000000000
REQUEST CODE:
TIME SECOND MINUTE HOUR WEEK REQUEST CODE 0000 0001 0010 0011 DATA 0~59 0~59 0~23 0~6
23
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Request Code=0110 (set voice prompt configuration) 15 CONF 14 13 12 11 10
0110
09
08
07
06
05
04
03
02
01
00
0111
000000
EVOP IVOP Select Select
IVOP SELECT (internal voice prompt setting) : 1 -- internal voice prompt selected and tested 0 -- internal voice prompt not selected EVOP SELECT (external voice prompt setting) : 1 -- external voice prompt selected and tested 0 -- external voice prompt not selected 15 RESP 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
000000000000 IVOP SELECT (internal voice prompt test status) : 1 -- test o.k. 0 -- test fail EVOP STATUS (external voice prompt test status) : 1 -- test o.k. 0 -- test fail (when EVOP STATUS=1) EVOP ADDR: 0 -- external voice prompt at data space 0800h 1 -- external voice prompt at program space 8000h EVOP UNIT: 0 -- external voice prompt in byte unit 1 -- external voice prompt in word unit
EVOP EVOP EVOP IVOP UNIT ADDR STATUSSTATUS
Request Code=0111 (set silence threshold level - used by the silence compression algorithm) 15 CONF 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0111
0111
0000
SILENCE LEVEL
SILENCE LEVEL:0~15, the larger the level is, the more speech will be recognized as silence. 0 denotes no silence compression. Please refer to Table 7 for Silence Threshold Level. 15 RESP 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000000000000000
24
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Mode 8. GET CURRENT TIME MODE
15 CONF
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
1000
Request Code
00000000
RESP
Data
Request Code, 0000~0011 : (see Set Current Time/Voice Prompt/Silence Threshold)
25
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Mode 9. INITIAL AND TEST MEMORY MODE
15 CONF
14
13
12
11
10
09
08
07
TAIL CUT UNIT
06
NEW/OLD SELECT
05
04
03
LINE ON/OFF
02
FAST ARAM TEST
01
ARAM CHECK
00
Init Aram
1001
0000
vox ANNC on/off DEL Record
INIT ARAM =1 initialize the ARAM. The information of ARAM type and ARAM good rate will be responsed in RESP. ARAM CHECK =1 check the ARAM good/bad. The check result is put in RESP(8). FAST ARAM TEST :(must be used with INIT ARAM) 1 -- fast ARAM initialization (about 17 sec for a 1Mx16 ARAM). 0 -- normal ARAM initialization (about 89 sec for a 1Mx16 ARAM). LINE ON/OFF: 1 -- in remote line operation 0 -- not in remote line operation VOX ON/OFF RECORD: 1 -- not record the starting silence speech which power level is under VOX LEVEL 0 -- record the starting silence speech ANNC DEL: 1 -- delete the old OGMx before the new OGMx is recorded. 0 -- delete the old OGMx after the new OGMx is recorded. NEW/OLD SELECT:(set the judgement point of message new/old attributes) 1 -- one message that has been played (even not played end) is viewed as an old message 0 -- one message that had been played end is viewed as an old message TAIL CUT UNIT:(set the tail cut unit) 1 -- the tail cut unit is 200ms. 0 -- the tail cut unit is 400ms.
15 RESP
14
13
12
11
10
09
08
Aram Good
07
06
05
04
03
02
01
00
ARAM GOOD RATE
Aram Addr Size
Aram Bit Size
ARAM BIT SIZE:the detected ARAM data bit number in one address access. ARAM ADDR SIZE:the detected ARAM address space. ARAM GOOD: a conclusion of ARAM initialization or checking. 1 -- ARAM is good 0 -- ARAM is bad ARAM GOOD RATE:0~100%. it is significant when ARAM GOOD=1.
CODE 0000 0001 0010 0011 0100 0101 0110 0111 ARAM ADDR. SIZE 00 M 64 K 128 K 256 K 512 K 1M 2M 4M 1000 CODE 0000 0001 0010 0011 0100 1000 1100 1111 8M 1001 16 M ARAM BIT SIZE 00 1 2 3 4 8 12 16
26
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Mode 10. GET RECORD MESSAGE INFORMATION MODE
15 CONF 14 13 12 11 10 09 08 07
NEW MSG
06 0
05
04
03
02 Msg ID
01
00
1010
Request Code
MSG ID : 1~63. NEW MSG: 1 -- the MSG ID is related to new messages. 0 -- the MSG ID is related to total messages.
INFORMATION SECOND MINUTE HOUR WEEK RECORD LENGTH TIMER STATUS REQUEST CODE 0000 0001 0010 0011 0100 0101 DATA 0000 ~ 003Bh 0000 ~ 003Bh 0000 ~ 0017h 0000 ~ 0006h BIT 15 ~ BIT 0 1=Timer has set 0=default Timer ICM/MEMO 0110 1=MEMO record 0=ICM record DEL MARK STATUS 0111 1=Has del Mark 0=Has no del Mark
MSG NEW/OLD STATUS
1000
1=Has Old Mark 0=Has No Old Mark
RESP
Data
27
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Mode 11. VOICE PROMPT MODE
15 CONF
14
13
12
11
FAST
10 0
09
STOP
08
07
06
05
04
03
02
01
00
1011
PLAY
Pause
PHRASE NUMBER
PHRASE NUMBER:1~255 PAUSE, STOP and FAST PLAY : see PLAY MODE.
15 RESP
14
13
12
11
10
09
08
07 0
06
05
04
0
03
02
01
00
Play Time (sec)
PLAY Tone END
DTMF
DTMF, PLAY END and PLAY TIME :see PLAY MODE.
Mode 12. VOICE ACTIVITY MODE
15 CONF
14 1100
13
12
11
10
09
08
07
06
05
04
03
02
01
00
VOX LEVEL
VOX LEVEL : see Table 6.
15 RESP
14
13
12
11
10
09
08
07 06
05
04
03
02
01
00
0000000000000000
28
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
Mode 13. PERSONAL MAIL MODE
15 CONF
14 1101
13
12
11
10
09 0000
08
07
06 0000
05
04
03
MEMO /ICM
02
01
00
PERSONAL MAIL
PERSONAL MAIL:0~7. total 8 personal mailboxes. the MSG IDs of PLAY MODE, DELETE MESSAGE MODE and GET ERCORD MESSAGE INFORMATION MODE are all limited to the personal mailbox specified by this command. MEMO/ICM : 1 -- set the attribute of the recorded message to be MEMO 0 -- set the attribute of the recorded message to be ICM 15 RESP 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000000000000000
(SET SOME STATUS)
15 CONF 14 1101 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0001
000000
CODEC OUTPUT FORMAT LEVEL
OUTPUT LEVEL: (set the relation of the output speech level and the corresponding input speech level) 1 -- the output level (playback) is equal to the input level (recording) 0 -- the output level is 5dB less than the input level (default setting) CODEC FPRMAT:(set codec data format) 1 -- 16-bit linear format, MX93000 family provide this mode 0 -- 8-bit u-law format (default) 15 RESP 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000000000000000
29
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
TABLE 1 : PERFORMANCE TEST FOR TONE DETECTION
(noiseless) Power(dB) p2p(volt) 280Hz 300Hz 400Hz 500Hz 600Hz 640Hz 670Hz 480+620 Hz 350+440 Hz
0 5 x ok ok ok ok ok x ok ok
-3 3.54 x ok ok ok ok ok x ok ok
-6 2.5 x ok ok ok ok ok x ok ok
-10 1.58 x ok ok ok ok ok x ok ok
-20 .5 x ok ok ok ok ok x ok ok
-30 .158 x ok ok ok ok ok x ok ok
-33 .112 x ok ok ok ok ok x x x
-36 .079 x x ok ok ok x x x x
-39 .056 x x x x x x x x x
* 0 dB is defined as the Vrms of maximum codec input ** The maximum peak-to-peak voltage (P2P) of Codec input is assumed to be 5V
30
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
SNR(dB)
40
25
12
detect time delay / off time delay (ms) 300Hz 400Hz 500Hz 640Hz 480+620 350+440 50 / 40 40 / 40 40 / 40 45 / 40 40 / 40 45 / 40 55 / 40 40 / 40 40 / 40 45 / 40 45 / 40 45 / 40 65 / 40 45 / 45 45 / 45 60 / 35 50 / 40 55 / 40
* 0 dB is defined as the Vrms of maximum codec input ** the detect/off time delay is defined as follows
INPUT RESPONSE
detect time delay
off time delay
31
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
TABLE 2 : RESOLUTION TEST FOR DUAL TONE (FREQUENCY DETECTABLE RANGE)
RANGE / POWER (300 + F2 Hz) (640 + F2 Hz)
-4 dB F2 > 320 Hz F2 < 620 Hz
-25 dB F2 > 320 Hz F2 < 620 Hz
TABLE 3 : THD DISTORTION TEST FOR DUAL TONE (DISTORTION TOLERANCE)
INPUT / POWER (300 + 320 Hz) (640 + 620 Hz)
-4 dB > 10 dB > 10 dB
-25 dB > 10 dB > 10 dB
* 0 dB is defined as the Vrms of maximum codec input
TABLE 4 : CALL PROGRESS TONE DETECTOR CHARACTERISTICS
PARAMETER Detection level * Rejection level Frequency range Noise tolerance THD tolerance Rejection Frequency range Minimum signal duration accept Maximum response time * 0 dB is defined as the Vrms of maximum codec input < 280 Hz 50 ms 50 ms or 300 MIN -30 -37 640 -12 -10 >670Hz TYP MAX UNIT dB dB Hz dB dB
32
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
TABLE 5 : DTMF CHARACTERISTICS
PARAMETER DTMF Signal level for detection* DTMF Twist (High/Low Tone) DTMF Noise Tolerance DTMF Tone duration accept DTMF interdigit pause accept DTMF Frequency deviation accept limit DTMF Frequency deviation reject limit Tone Generator level Tone Generator frequency accuracy Tone Generator level accuracy - 25 0.1 0.5 50 50 +/-1.5 +/-3 +3 MIN -43 +/-9 -10 TYP MAX 0 UNIT dB dB dB ms ms % % dB % dB
* 0 dB is defined as the vrms of maximum codec input
33
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
TABLE 6. VOX THRESHOLD *
dB -9 -10 -11 -12 -13 -14 -15 -16 -17 -18 -19 -20 -21 -22 -23 -24 -25 -26 -27 -28 -29 -30 -31 -32 -33 -34 -35 -36 -37 -38 -40 -41 -42 -43 -44 -45 -46 -47 -48 -49 -50 -51 -52 -53 -54 -55 -56 -57 -58 -59 -60 -61 -62 VOX_LEVEL 0ef5 0d55 0be5 0a95 0975 0875 0ef4 0d54 0be4 0a94 0974 0874 0ef3 0d53 0be3 0a93 0973 0873 0783 06b3 05f3 0553 04c3 0433 03c3 0363 0303 02b3 0263 0223 -39 01e3 01b3 04c2 0442 03c2 0362 0302 02b2 0262 0222 01e2 01b2 0301 02b1 0261 0221 01e1 01b1 0300 02b0 0260 0220 01e0 01b0
TABLE 7. SILENCE THRESHOLD LEVEL
SILENCE LEVEL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 dB -58 -55 -52 -49 -46 -43 -40 -37 -34 -31 -28 -25 -22 -19 -16
0 dB:maximum input of sinusoidal wave
* 0 dB is defined as the vrms of maximum Codec input.
34
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
TABLE 8. Echo CANCELLER PERFORMANCE *
Test Description
Final Echo Return Lose Improvement (ERLI) (Singletalk mode) Maximum tail length CONVERGENCE RATE (SINGLETALK MODE) 500ms after initialization with cleared register and with near-end signal set to zero at initialization time Infinite Return Loss Convergence Return Echo Loss Improvement 500ms after echo path is interrupted * test signals : band-limited white-noise(300-3400Hz) > 28 dB 12 ms
> 28 dB
> 28 dB
35
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
TABLE 9. : MAXIMUM COMMAND RESPONSE TIME
COMMAND Record Mode: 1.start calling 2.normal calling 3.stop calling (without tail cutting) 4.stop calling (with tail cutting) Play Mode : 1.start calling 2.normal calling 3.stop calling 4.real delete Message Status Mode: 1.get total message number (Command 3000) 2.get new message number (Command 3001) 3.get old message number (Command 3002) 4.get ARAM available time(command 3003) DTMF Generator Mode Line monitor Mode Delete Message Mode: 1.delete one message (Command 60xx/64xx) 2.delete all old message (Command 6080) 3.clear one message delete-mark (command 68xx/6cxx) Set Current Time/Voice Prompt/Silence Threshold Mode Get Current Time Mode Initial And Test Memory Mode: 1.ARAM initialization (Command 90x1, normal, 1Mx16) 2.ARAM initialization (Command 90x5, fast, 1Mx16) 3.ARAM good/bad check (Command 90x2) 4.other misc. setting Get Record Message Information Mode Voice Prompt Mode : 1.start calling 2.normal calling 3.stop calling Voice Activity Mode Personal Mail Mode MAX RESP TIME (ms)
1 5 10 106
14 4 1 99
8 9 18 52 1 4
30 760 16 1 1
89000 17000 3 1 12
1 4 1 1 1
36
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
APPENDIX 1. Difference list between MX93011A D6 and E1 version
Item Speech compression rate D6 version 4.8 Kbps E1 version 12 Kbps, sound quality is much better than D6 Not support x3 and x12 configurations
ARAM configuration
Support ARAM of x3 and x12 configurations 37 sec.(normal)/7 sec.(fast) for one 1Mx4 ARAM Only support u-law format
ARAM initialization time
89 sec.(normal)/17 sec. (fast) for one 1Mx16 ARAM Support u-law and linear format (see BIOS mode 13) RESP=00E1h
Codec data format
Get BIOS version (BIOS mode 3004h)
RESP=00D6h
37
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
APPENDIX 2. CIRCUIT DIAGRAMS (CLOCK APPLICATION)
A1.1 Normal Approach
VDD
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 FLLEN\ 54 53 52 51
32.256 MHz 27pF 10uH 12pF
A1.2 FLL Approach
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 FLLEN\ 54 53 52 51
1 2 3 4 5 6 7 8 9 10 11 12 X32I 13 X32O 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
81 82 83 84 85 86 87 88 X1 89 X2 90 91 92 93 94 95 96 97 98 99 100
MX93011A
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
47K 32.768KHz 47pF 39pF
VDD
1 2 3 4 5 6 7 8 9 10 11 12 X32I 13 X32O 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 47K 32.768KHz 47pF 39pF
81 82 83 84 85 86 87 88 X1 89 X2 90 91 92 93 94 95 96 97 98 99 100
MX93011A
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
38
INDEX
MX93011A
APPLICATION NOTE (E2 VERSION)
MACRONIX INTERNATIONAL CO., LTD
HEADQUARTERS :
TEL : +886-3-578-8888 FAX : +886-3-578-8887
EUROPE OFFICE :
TEL : +32-2-456-8020 FAX : +32-2-456-8021
JAPAN OFFICE :
TEL : +81-44-246-9100 FAX : +81-44-246-9105
SINGAPORE OFFICE :
TEL : +65-747-2309 FAX : +65-748-4090
TAIPEI OFFICE :
TEL : +886-2-2509-3300 FAX : +886-2-2509-2200
MACRONIX AMERICA INC.
TEL : +1-408-453-8088 FAX : +1-408-453-8488
CHICAGO OFFICE :
TEL : +1-847-963-1900 FAX : +1-847-963-1909
http : //www.macronix.com
MACRONIX INTERNATIONAL CO., LTD. reserves the right to change product and specifications without notice.
39

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