CM6206 Datasheet, PDF (11/35 Pages) C-Media Electronics – High Integrated USB Audio I/O Controller

CM6206
High Integrated USB Audio I/O Controller
In addition to internal registers, users can also access external serial EEPROM by the same way:
Byte [0]
Byte [1]
Byte [2]
Byte [3]
Bit6 = 1 => Access EEPROM
Bit4 = 1 => read Bit4 = 0 => write
DATAL
DATAH
EEPROM address (0 ~ 8’h3f)
REG0
SPDIF OUT channel status control
15
DMA_Master
14
13
12
Sampling rate
7
6
5
4
Category Code[3:0]
Address:
Reset State:
0x00
0x2000
11
10
9
8
Category Code[7:4]
3
Emphasis
2
Copyright
1
Non-Audio
0
PRO/CON
Bit
Number
15
14-12
Bit
Mnemonic
DMA_Master
Sampling_rate
11-4 Category code
3
Emphasis
2
Copyright
1
Non-audio
0
Pro/con
Read/
Function
Write
R/W 1: SPDIFOUT as Master 0: DACs as Master
R/W SPDIF out sample rate (48K: 3’b010; 96K: 3’b110)
R/W SPDIF out category code depends on the equipment
type.
R/W SPDIFOUT emphasis. 1: emphasis-CD_type
0: Emphasis is not indicated
R/W 1: not asserted; 0: asserted
R/W 1: non-PCM audio data (like AC3) 0: PCM-data
R/W 1: professional format 0: consumer
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