CM6533,CM6533N,CM6533X1,CM6533DH
USB Audio Chip
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27
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60
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Rev.1.7
Copyright© C-Media Electronics Inc.
6.4.3
HID set_output_report
Command Format:
bmRequestType
bRequest
wValue
wIndex
wLength
Data
8’h 21
8’h 09
(Set_Report)
16’h 02 01
(Rpt Type + Rpt ID)
16’h 00 03
(Interface)
16’h 00 10
(16 bytes)
Report
**Note: Byte5 is the beginning address of this write sequence.
Output Data Format:
byte0
always 1 for org HID event report ID
byte1
start address of write reg (H-start_addr)
byte2
start address of write reg (L-start_addr)
byte3
effective write/read data length (<=12)
byte4
write data to [start_addr]
byte5
write data to [sta1]
byte6
write data to [sta2]
byte7
write data to [sta3]
byte8
write data to [sta4]
byte9
write data to [sta5]
byte10
write data to [sta6]
byte11
write data to [sta7]
byte12
write data to [sta8]
byte13
write data to [sta9]
byte14
write data to [sta10]
byte15
write data to [sta11]