CM6533DH datasheet(25/60 Pages) CMEDIA

25 / 60 page

CM6533,CM6533N,CM6533X1,CM6533DH

USB Audio Chip

Page 25 / 60

www.cmedia.com.tw

Rev.1.6

6.4 HID Function

6.4.1 HID Interrupt in

Input Data Format:

byte0

always 1 for org HID event report ID

byte1

for defined HID event, each event occupies one bit

byte2

byte3

start address of returned data (H-start_addr)

byte4

start address of returned data (L-start_addr)

byte5

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

byte6

read data of [start_addr]

byte7

read data of [start_addr+1]

byte8

read data of [start_addr+2]

byte9

read data of [start_addr+3]

byte10

read data of [start_addr+4]

byte11

read data of [start_addr+5]

byte12

read data of [start_addr+6]

byte13

read data of [start_addr+7]

byte14

read data of [start_addr+8]

byte15

read data of [start_addr+9]

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