CM118B Datasheet, PDF (21/25 Pages) C-Media Electronics – Highly Integrated & Configurable USB Audio Single Chip

CM118B
Highly Integrated & Configurable USB Audio Single Chip
Offset 0x06--HID_OR2 (HID output report byte 2)
Bits
Read/Write
Description
7-0
R/W
When HID_OR0[7:6] == 2’b00:
0: Set GPIO to input mode
1: Set GPIO to output mode
When HID_OR0[7:6] == 2’b01:
Generic HID registers
When HID_OR0[7:6] == 2’b10:
Mapped to EEPROM_DATA1
When HID_OR0[7:6] == 2’b11:
Mapped to ADC_CTRL2 Control Register
Default
0x00
Offset 0x07--HID_OR3 (HID output report byte 3)
Bits
Read/Write
Description
7-0
R/W
When HID_OR0[7:6] == 2’b00:
Category byte of SPDIF status channel
When HID_OR0[7:6] == 2’b10:
Mapped to EEPROM_CTRL
When HID_OR0[7:6] == 2’b11
Mapped to Analog Option Reg2(ANA_REG2[6:0]
( [6:4] Mapped to TP_INAD_[2:0];
[3:0] Mapped to B_PLL[3:0] )
Note: HID_OR3 is used for SPDIF when SPDIF_CONFIG[5] == 1’b0
Default
0x00
Datasheet Revision: 1.00
Page 21 / 25
www.cmedia.com.tw
Copyright© C-Media Electronics Inc.