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| W522AXXX Data Sheet PWM SYNTHESIZER Table of Contents1. 2. 3. 4. 5. 6. 7. 8. GENERAL DESCRIPTION ............................................................................................................ 2 FEATURES.................................................................................................................................... 2 PIN DESCRIPTION ....................................................................................................................... 3 BLOCK DIAGRAM ......................................................................................................................... 4 ABSOLUTE MAXIMUM RATINGS ................................................................................................ 4 ELECTRICAL CHARACTERISTICS.............................................................................................. 5 APPLICATION CIRCUIT ............................................................................................................... 6 REVISION HISTORY..................................................................................................................... 7 -1- Publication Release Date: June 3, 2003 Revision A2 W522AXXX 1. GENERAL DESCRIPTION W522AXXX is a synthesis IC that utilizes the 8-bit PCM coding method to generate high quality voice effects. In order to save power, the W522AXXX provides PWM output to drive speaker directly without extra transistor and resistor. The W522AXXX's part number and corresponding duration time at various sampling rate listed as below: Part number W522A008 W522A010 Duration @ 4KHz 12.00 seconds 16.00 seconds Duration @ 4.8KHz 10.00 seconds 13.00 seconds Duration @ 6KHz 8.00 seconds 10.50 seconds Duration @ 8KHz 6.00 seconds 8.00 seconds 2. FEATURES * * * * Wide operating voltage range: 2.4 to 5.5 volts 8-bit PCM algorithm for high sound quality PWM output to directly drive speaker Provides 1 direct trigger input (including CDS control circuit) with following mask option of play modes: - - - - - One shot (enable or disable interruption) Toggle ON/OFF Level hold Complete cycle level hold (enable or disable interruption) Single cycle level hold * Provides 1 output with following mask options: - - - Active high or low in BUSY signal output while voice playing (not including silence) LED flash type: 1.5Hz, 3Hz or 6Hz. LED volume control: 1/4, 1/2, 3/4. * * * * Maximum duration (voice duration + silence) in repeat cycle is around 21 seconds at 6 KHz Repeat number 1 to 8 can be mask optioned for both one shot and single-cycle level hold Two kinds of trigger input de-bounce time (10 mS or 50 S) by mask option Four kinds of frequencies, 4/4.8/6/8 KHz, can be chosen by mask option -2- W522AXXX 3. PIN DESCRIPTION TEST O/P PWMPWM+ VDD VSS TG OSC PIN NAME TEST O/P PWM+/PWMVDD VSS TG OSC I/O I O O Power Ground I I Trigger input DESCRIPTION Test pin with internally pull-high Output: BUSY, LED flash by mask option PWM driver positive/negative output Positive power supply for oscillator, logical cells and PWM driver Resistor of ring oscillator is connected between OSC and VDD -3- Publication Release Date: June 3, 2003 Revision A2 W522AXXX 4. BLOCK DIAGRAM OSC TIMING GENTRATOR PWM PWM+ PWM- TEST O/P VDD VSS CONTROL LOGIC PLA TABLE ROM COUNTER 5. ABSOLUTE MAXIMUM RATINGS PARAMETER Power Supply Input Voltage Storage Temp. Operating Temp. SYMBOL VDD-VSS VIN TSTG TOPR CONDITIONS All Inputs RATED VALUE -0.3 to +7.0 VSS -0.3 to VDD +0.3 -55 to +150 0 to +70 UNIT V V C C Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device. -4- W522AXXX 6. ELECTRICAL CHARACTERISTICS (TA = 25 C, VSS = 0 V) PARAMETER Operating Voltage Input Voltage Standby Current Operating Current Input Current for TG Input Current TEST PWM Drive Current PWM Sink Current Output Current Oscillation Freq. Oscillation Freq. Deviation by Voltage Drop SYM. VDD VIL VIH IDD1 IDD2 IOP1 IOP2 IIN ITEST IPD IPS IOL IOH FOSC CONDITIONS All Input Pins VDD = 3V, No Playing VDD = 4.5V, No Playing VDD = 3V, No Load VDD = 5V, No Load VDD = 3V, VIN = 0V VDD = 3V, VTEST = 3V VDD = 3V, RL = 8 VDD = 3V, RL = 8 VDD = 3V, VOUT = 1V VDD = 3V, VOUT = 2V VDD = 3V, ROSC = Typ. VDD = 4.5V, ROSC = Typ. LIMITS MIN. 2.4 VSS -0.3 0.7 VDD 4 6 -130 130 10 -5 2.7 2.7 TYP. 3 8 10 3 3 MAX. 5.5 0.3*VDD VDD 1.0 1.0 4 8 12 20 3.3 3.3 10 UNIT V V A mA A A mA mA mA MHz FOSC FOSC [F(5.5V)-F(2.4V)]/F(2.4V) % Note: Rosc = typical value = 510K ohm -5- Publication Release Date: June 3, 2003 Revision A2 W522AXXX 7. APPLICATION CIRCUIT W522AXXX Rosc VDD OSC TG VSS VDD O/P 100 ohm R C 0.1 uF PWM+ PWMSpeaker 8 ohm 1/4 watt Notes: 1. In principle, the playing speed determined by ROSC should correspond to the sampling rate during the coding phase. The playing speed may be adjusted by varying ROSC. The typical value of Rosc is 510K ohm. 2. The capacitor, C (0.1uF), shunted between VDD and VSS is necessary for PWM output. 3. R is used to limit the current on the LED. 4. No warranty for production. -6- W522AXXX 8. REVISION HISTORY REVISION A1 A2 DATE Jan- 2002 June 3, 2003 Preliminary release. Provides two part number W522A008, W522A010 Operation current max. 400 and 800uA 4 and 8 mA MODIFICATIONS Headquarters No. 4, Creation Rd. III, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5770066 FAX: 886-3-5665577 http://www.winbond.com.tw/ Winbond Electronics Corporation America 2727 North First Street, San Jose, CA 95134, U.S.A. TEL: 1-408-9436666 FAX: 1-408-5441798 Winbond Electronics (Shanghai) Ltd. 27F, 2299 Yan An W. Rd. Shanghai, 200336 China TEL: 86-21-62365999 FAX: 86-21-62365998 Taipei Office 9F, No.480, Rueiguang Rd., Neihu District, Taipei, 114, Taiwan, R.O.C. TEL: 886-2-8177-7168 FAX: 886-2-8751-3579 Winbond Electronics Corporation Japan 7F Daini-ueno BLDG, 3-7-18 Shinyokohama Kohoku-ku, Yokohama, 222-0033 TEL: 81-45-4781881 FAX: 81-45-4781800 Winbond Electronics (H.K.) Ltd. Unit 9-15, 22F, Millennium City, No. 378 Kwun Tong Rd., Kowloon, Hong Kong TEL: 852-27513100 FAX: 852-27552064 Please note that all data and specifications are subject to change without notice. All the trade marks of products and companies mentioned in this data sheet belong to their respective owners. -7- Publication Release Date: June 3, 2003 Revision A2 |
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