Data Sheet
USB Audio Controller
SN11220ACF
Byte 9：
Byte 9 is used to return the register 4 value received by the two-wire serial port of
SN11220ACF. Please refer to section VIII.
Byte A：
Byte A is used to return the register 5 value received by the two-wire serial port of
SN11220ACF. Please refer to section VIII.
Byte B：
Byte B is used to return the register 6 value received by the two-wire serial port of
SN11220ACF. Please refer to section VIII.
Byte C：
Byte C is used to return the register 7 value received by the two-wire serial port of
SN11220ACF. Please refer to section VIII.
Byte D：
Byte D is used to return the register 8 value received by the two-wire serial port of
SN11220ACF. Please refer to section VIII.
Byte E：
Byte E is used to return the register 9 value received by the two-wire serial port of
SN11220ACF. Please refer to section VIII.
Byte F：
Byte F is used by SONiX for the special purpose. In SN11220ACF, it will be set to
0x00 at any time.
Report Out Bytes
Setting
Can be ignored
Byte 0
Bit 3~0
Bit 4
GPIO 0 Out/In select
GPIO 1 Out/In select
GPIO 2 Out/In select
Bit 5
Bit 6
Sonix Confidential
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Do not copy, reproduce, or distribute without permission
2006 Aug 10, V1.01
SONIX [ SONIX TECHNOLOGY COMPANY ]
