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| Data Sheet USB AUDIO Controller SN11121ASF DATA SHEET SN11121ASF USB AUDIO Controller Revision 0.3 Copyright (c) 2004, Sonix Technology Co., Ltd. All rights reserved. Data Sheet USB AUDIO controller SN11121ASF I. Description SONiX SN11121ASF is an USB audio controller. It supports total 3 sampling rates including 32KHz, 44.1KHz and 48KHz in digital/analog playback. In digital playback mode, it receives audio stream from PC via USB interface and transmits audio data according to the AES/EBU, IEC60958, S/PDIF consumer interface standards. In analog playback mode, it supports 2 channels Codec for analog playback. Totally one control pipe, one isochronous pipe, and one interrupt pipe are supported by SN11121ASF. II. Features Supports AES/EBU, IEC60958, S/PDIF consumer formats for stereo PCM audio 32KHz, 44.1KHz and 48KHz sampling rates for 2 channels playback in digital/analog mode Conveys AC-3 data stream by S/PDIF output Compatible with Win98 SE/ WinME/ Win2000/ WinXP and MacOS 9.2.1/MacOS10.2 without additional driver Plug-and-Play operation with Microsoft OS or MacOS default drivers Compliant with USB specification v1.1 Compliant with USB audio device class specification v1.0 Supports USB full speed 12Mbits/s serial data transmission USB bus power or self power option Supports suspend/resume and remote wake-up 6MHz crystal input with on-chip PLL and embedded transceiver for USB On-chip PLL for synchronized with USB host for CODEC interface USB audio function topology has one input terminal, two output terminals, and one feature unit Alternate setting0 is a zero-bandwidth setting; used to release the claimed bandwidth on the bus when this device is inactive Sonix Confidential 1 Do not copy, reproduce, or distribute without permission 2004 Jan13, Revision V0.3 Data Sheet USB AUDIO controller SN11121ASF Isochronous transfer uses adaptive, synchronous and asynchronous synchronization Supports AC'97 component specification v2.1 and v2.2; AC link interface for external AC97 audio Codec Supports 2ch Codec with I2S, Left-justified serial interface format Embedded Digital Volume Control of Line out for I2S interface mode Compliant with USB HID class specification v1.1; pin control for volume up / down, play mute Supports two wire series bus interface; slave only interface with transfer speed up to 400Kbps(Fast-mode) EEPROM interface for customized USB IDs and strings; Codec registers programming 3.3 V core operation and 5 V tolerant I/O Available in 48-pin LQFP(7x7 mm) System on chip solution: low cost and easy implementation without external memory LED indicator pins for playback and recording mute 4 GPIO pins controlled via USB HID Features programmable by jumper pins and EEPROM values III. Ordering information SN11121ASF : 48-pin LQFP (7x7x1.4 mm) Sonix Confidential 2 Do not copy, reproduce, or distribute without permission 2004 Jan13, Revision V0.3 Data Sheet USB AUDIO controller SN11121ASF IV. Block diagram I2S interface LEDN PDSW digien, codecsel, hiden, LFA LFB RSTN Preamble Validity VOLUP VOLDN MUTEP PLL CLK generator User data bits Channel status bits Parity M U X S/PDIF OUT GPIO Processor MCU interface SCL SDA CS SK DW DR Aux data parallel / serial Audio data EEPROM interface - D+ D- Transceiver serial / parallel USB Memory FIFO I2S Codec controller XCSN XCDCLK XCDOUT XRSTN XSCLK1 XLRCK1 XSDO1 DPLL XIUSB XMCLK1 PLL XOUSB AC'97 interface LEDN PDSW digien, codecsel, hiden LFA LFB RSTN Preamble Validity VOLUP VOLDN MUTEP PIO G PLL CLK generator User data bits Channel status bits Parity M U X S/PDIF OUT Processor MCU interface SCL SDA CS SK DW DR Aux data parallel / serial Audio data EEPROM interface - D+ D- Transceiver serial / parallel USB Memory FIFO AC'97 Controller BITCLK ACRSTN ACSYNC ACDOUT DPLL XIUSB PLL XOUSB Sonix Confidential 3 Do not copy, reproduce, or distribute without permission 2004 Jan13, Revision V0.3 Data Sheet USB AUDIO controller SN11121ASF V. Pin description 5.1 SN11121ASF pin chart (48-pin LQFP) VSSA_PLLA HIDEN SPDIFO LEDN XSDIN PDSW MUTEP 35 30 25 VDDA_PLLA XCDCLK XOUSB XIUSB GPIO1 GPIO4 SDA VDD LFA VSS SCL VDD XMCLK1 XSDO1 XLRCK1 XSCLK1 GPIO3 40 20 SN11121ASF GPIO2 VDD VDDA _PLLB VSS VDD XCSN VOLUP VOLDN 45 15 LFB VS SA _PLLB VSS RSTN 1 DIGIEN DR DW SK 5 CODECSEL 10 XCDOUT USBDN USBDP TAVDD XRSTN TAVSS 5.2 pin assignment and description (48-pin LQFP) Pin No. Pad Name Pin Type 1 DIGIEN DR(EEPROM _ DO) I, ST 1: enable ; 0: disable (analog only) EEPROM data input (Fixing this pin to H or L sets USB vendor ID to SONiX CS Description Enable SPDIF In/Out 2 I, ST USB vendor ID (hex 0C45); PU or PD is used for different product ID Sonix Confidential 4 Do not copy, reproduce, or distribute without permission 2004 Jan13, Revision V0.3 Data Sheet USB AUDIO controller SN11121ASF 3 DW(EEPROM _ DI) SK(EEPROM_ SK) CS(EEPROM_ CS) XCDOUT(SPI _DIN ) CODECSEL TAVDD/ AVDD USBDP USBDN TAVSS /AVSS XRSTN RSTN VOLDN VOLUP XCSN(SPI_CS ) VDD VSS GPIO3 XSCLK1 XLRCK1/AC_ SYNC XSDO1(XSD O, 4mA, SR EEPROM data output 4 O, 4mA, SR EEPROM clock pin 5 O, 4mA, SR EEPROM chip select 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 O, 4mA, SR I, ST P I/O I/O P O, 4mA, SR I, ST, PU I, ST I, ST O, 4mA, SR P P I/O O, 4mA, SR O, 4mA, SR SPI Codec control data Codec interface selection, 0: AC-link; 1: I2S Power pin for USB transceiver USB data plus USB data minus GND pin for USB transceiver Codec reset System reset pin, pull high to reset Volume down control, edge trigger with 64ms de-bouncing circuit Volume up control, edge trigger with 64ms de-bouncing circuit SPI Codec chip select 3.3 V power pin GND pin General Purpose I/O 3 I2S SCLK for play I2S L/R frame for play / AC-link SYNC 22 OUT/AC_DO UT) O, 4mA, SR I2S dout / AC-link dout 23 24 XMCLK1/AC _Bit_CLK VDD O, 8mA, SR P I2S Codec master clock for play / AC-link bit clock 3.3V power pin 2004 Jan13, Revision V0.3 Sonix Confidential 5 Do not copy, reproduce, or distribute without permission Data Sheet USB AUDIO controller SN11121ASF 25 26 27 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 VDDA_PLLA LFA VSSA_PLLA VSS XCDCLK(SPI _CLK) GPIO4 GPIO1 SDA SCL XOUSB XIUSB VSS VDD HIDEN SPDIFO LEDN XSDIN/AC_D IN PDSW MUTEP GPIO2 VDD VDDA_PLLB LFB VSSA_PLLB VSS P I/O P P O, 4mA, SR I/O I/O I/O, 4mA, SR I, ST O I P P I, ST O, 8mA, SR O, 8mA, SR I, ST O, 4mA, SR I, ST I/O P P I/O P P Power pin for internal PLL Filter for internal PLL GND pin for internal PLL GND pin SPI Codec control clock General Purpose I/O 4 General Purpose I/O 1 IIC data pin IIC clock pin for external MCU control 6 MHz clock osc pin for USB PLL 6 MHz clock osc pin for USB PLL GND pin 3.3V power pin USB HID enable, 1: enable, 0: disable SPDIF data output LED indicator pin, output low after power on reset, toggle during operation I2D Din / AC-link Din Power down switch control -- 0: normal mode, 1: power down mode Playback mute control pin, edge trigger with 64ms de-bouncing circuit General Purpose I/O 2 3.3V Power pin Power pin for internal PLL Filter for internal PLL GND pin for internal PLL GND pin ** All input pin are 5 volt tolerance, TTL level and Schmitt trigger All output pins are slew rate control I - input pin , O - output pin, P - power pin, ST - Schmitt trigger, SR - slew rate control, PU/PD - pull up or pull down Sonix Confidential 6 Do not copy, reproduce, or distribute without permission 2004 Jan13, Revision V0.3 Data Sheet USB AUDIO controller SN11121ASF VI. Package dimension Sonix Confidential 7 Do not copy, reproduce, or distribute without permission 2004 Jan13, Revision V0.3 Data Sheet USB AUDIO controller SN11121ASF Revision History Revision Revision V0.2 Revision V0.3 Revision Date Jan 2, 2004 Jan 13, 2004 Description of changes Initial release. Add package dimension Sonix Confidential 8 Do not copy, reproduce, or distribute without permission 2004 Jan13, Revision V0.3 Data Sheet USB AUDIO Controller DISCLAIMER The information appearing in this publication is believed to be accurate. However, this publication could contain technical inaccuracies or typographical errors. The reader should not assume that this publication is error-free or that it will be suitable for any particular purpose. SONiX makes no warranty, express, statutory implied or by description in this publication or other documents which are referenced by or linked to this publication. In no event shall SONiX be liable for any special, incidental, indirect or consequential damages of any kind, or any damages whatsoever, including, without limitation, those resulting from loss of use, data or profits, whether or not advised of the possibility of damage, and on any theory o f liability, arising out of or in connection with the use or performance of this publication or other documents which are referenced by or linked to this publication. This publication was developed for products offered in Taiwan. SONiX may not offer the products discussed in this document in other countries. Information is subject to change without notice. Please contact SONiX or its local representative for information on offerings available. Integrated circuits sold by SONiX are covered by the warranty and patent indemnification provisions stipulated in the terms of sale only. The application circuits illustrated in this document are for reference purposes only. SONIX DISCLAIMS ALL WARRANTIES, INCLUDING THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PURPOSE. SONIX reserves the right to halt production or alter the specifications and prices, and discontinue marketing the Products listed at any time without notice. Accordingly, the reader is cautioned to verify that the data sheets and other information in this publication are current before placing orders. Products described herein are intended for use in normal commercial applications. Applications involving unusual environmental or reliability requirements, e.g. military equipment or medical life support equipment, are specifically not recommended without additional processing by SONIX for such application. SN11121ASF Contact Information Main Office Address: 9F, No. 8 Lane 32, Hsien Chen 5th St. Chupei City, Hsinchu, Taiwan R.O.C. Tel: 886-3-551 0520 Fax: 886-3-551 0523 Http:// www.sonix.com.tw Taipei Office Address: 15F-2, No. 171, Song Ted Road, Taipei, Taiwan R.O.C. Tel: 886-2-2759 1980 Fax: 886-2-2759 8180 Hon Kong Office Address: Flat 3 9/F Energy Plaza 92 Granville Road, Tsimshatsui Ease Kowloon. Tel: 852-2723 8086 Fax: 852-2723 9179 |
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