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SN11220APFR 参数 Datasheet PDF下载

SN11220APFR图片预览
型号: SN11220APFR
PDF下载: 下载PDF文件 查看货源
内容描述: USB音频控制器 [USB Audio Controller]
分类和应用: 控制器
文件页数/大小: 34 页 / 1512 K
品牌: SONIX [ SONIX TECHNOLOGY COMPANY ]
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Data Sheet  
USB Audio Controller  
SN11220ACF  
Byte 2:  
Byte 2 is used to set data to the register 0 of the two-wire serial port of SN11220ACF.  
For detail about how to access the register of the two-wire serial port of SN11220ACF,  
please refer to the section “Two-wire serial port definition”.  
Byte 3:  
Considering together with byte 0, byte 3 is used to control the GPIO ports.  
Bit 0 to 3 is used to set the values of GPIO ports if this GPIO is output pin.  
Bit 4 to 6 is used to set the control mode of HID. As bellow,  
Bit 6 ~ 4  
000  
HID mode setting  
SN11220ACF don’t use  
001  
HID program EEPROM  
Don’t use  
010  
011  
Don’t use  
100  
HID read EEPROM  
101  
Byte 0 bit 4 to 7 means GPIO Out/In select  
SN11220ACF don’t use  
SN11220ACF don’t use  
110  
111  
Bit 7 is used to disable the internal digital volume control feature of SN11220ACF.  
The internal digital volume control is used to regulate the volume in SN11220ACF. If  
it is enabled, SN11220ACF will receive OS volume command to regulate audio data.  
If it is disabled, SN11220ACF will ignore OS volume command.  
Byte 4:  
Byte 4 is reserved in SN11220ACF.  
Byte 5:  
Byte 5 is reserved in SN11220ACF.  
Byte 6:  
Byte 6 is reserved in SN11220ACF.  
Sonix Confidential  
- 17 -  
Do not copy, reproduce, or distribute without permission  
2006 Aug 10, V1.01  
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