CM106-L+ C-Media Electronics, CM106-L+ Datasheet - Page 21

• Manufacturer Part Number: CM106-L+
• Description: USB Audio I/O Controller
• Manufacturer: C-Media Electronics

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Date: 08/19/2005
4
DRIVERON
Number
Number
14~13
12~3
1~0
Bit
Bit
15
6
5
4
3
2
1
0
7
2
15
GPIO2_OEN
GPIO1_o
GPIO1_OEN
LOWFIRSET
SPDIFLOOP
DIS_SPDIFO
SPDIFMIX
DRIVERON
HEADPSEL
PLAYMUTE
MICRSEL
MCUCLKSE
L
REG2
Mnemonic
Mnemonic
6
Bit
14
Bit
HEADPSEL
PLAYMUTE
Read/
5
Write
R/W
R/W
R/W
R/W
R/W
13
Read/
Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
High End 8CH DAC and 2CH ADC Integrated Solution
If (HEADPON = 1 and DRIVERON = 0)
Else
Headphone source select
00: Front channels
01: Center and Subwoofer
02: Surround channels
03: Side channels
Channel mute control (high active)
PLAYMUTE[0]: mute Left Front
PLAYMUTE[1]: mute Right Front
PLAYMUTE[2]: mute Center
PLAYMUTE[3]: mute Subwoofer
PLAYMUTE[4]: mute Left Surround
PLAYMUTE[5]: mute Right Surround
PLAYMUTE[6]: mute Side Left
PLAYMUTE[7]: mute Side Right
PLAYMUTE[8]: mute Headphone Left
PLAYMUTE[9]: mute Headphone Right
MIC right channel source select
0:
1:
MCU clock frequency
00: 1.5Mhz
01: 3Mhz
10: 6Mhz
11: 12Mhz
Gpio2 output enable
Gpio1 signal
Gpio1 output enable
Low pass filter setting
SPDIF loop-back enable
SPDIF out disable
SPDIF in mix enable
left channel (mono)
right channel (stereo)
4
12
1. All channels muted except Headphone channels
2. Select Headphone source from Front channels
1. Channel mute controlled by PLAYMUTE registers
2. Headphone source selected by HEADPSEL
- 21 -
registers
3
11
Reset State: 0x0004
PLAYMUTE
MICRSEL
Address: 0x02
Function
Function
2
10
MCUCLKSEL
1
9
CM106-F+/L+
Version： 1.01
8
0