CM6533-N Datasheet, PDF (26/60 Pages) C-Media Electronics – USB 2.0 Full-Speed compliant

CM6533,CM6533N,CM6533X1,CM6533DH
USB Audio Chip
6.4.2 HID get_input_report
Command Format:
bmRequestType
8’h A1
bRequest
8’h 01
(Get_Report)
wValue
16’h 01 01
(Rpt Type + Rpt ID)
wIndex
16’h 00 03
(Interface)
wLength
16’h 00 10
(16 bytes)
Data
Report
**Note: The Start_Addr value in the input reported is put in the Internal Register Address 0xff. Software must set the
value of Start_Addr Register to make sure get_input_report can read the proper data desired.
Input Data Format:
byte0
byte1
byte2
byte3
byte4
byte5
byte6
byte7
byte8
byte9
byte10
byte11
byte12
byte13
byte14
byte15
always 1 for org HID event report ID
for defined HID event, each event occupies one bit
start address of returned data (H-start_addr)
start address of returned data (L-start_addr)
bit7
bit6:UART_INT
bit5:GPI_INT
bit4:SPIS_INT(slave mode int)
bit3: SPIM_INT(master mode int)
bit2:I2CS_INT(slave mode int)
bit1:I2CM_INT(master mode int)
bit0: IR_INT
read data of [start_addr]
read data of [start_addr+1]
read data of [start_addr+2]
read data of [start_addr+3]
read data of [start_addr+4]
read data of [start_addr+5]
read data of [start_addr+6]
read data of [start_addr+7]
read data of [start_addr+8]
read data of [start_addr+9]
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Rev.1.6
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