SN11220CRF datasheet(3/34 Pages) SONIX

Part #	SN11220CRF

Description	USB Audio Controller

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Manufacturer	SONIX [SONiX Technology Company]

Direct Link	http://www.sonix.com.tw

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Data Sheet

USB Audio Controller

SN11220ACF

Sonix Confidential

Do not copy, reproduce, or distribute without permission

2006 Aug 10, V1.01

- 2 -

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

Claim variable max packet size for saving USB bandwidth; according to

sampling rate under

HID interrupt interval can be modified via EEPROM

EEPROM content can be read from HID pipe

Transferring length up to each 16 bytes among PC to device and device to PC

by USB HID

MCU can write particular register address (0x0b) to activate device to upload

update data to PC when MCU has written new data through two wire series bus

interface (section VIII)

Embedded 5V to 3.3V regulator

Features programmable by jumper pins and EEPROM values

Support voiceband CODEC PCM interface in master/slave operation

A-law and μ-law translation

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