CMI-8738 Datasheet, PDF (10/28 Pages) C-Media Electronics – C3DX PCI-Based HRTF 3D Extension Positional Audio Chip

Ver. 1.2
CMI-8738/PCI-SX AUDIO Specification
10
1.3uSec per bit in a sample. (Default)
11
2.8uSec per bit in a sample.
11
CH1 Ssmple Rate 176K
10
CH1 Sample Rate 88K
9
CH0 Sample Rate 176K
8
CH0 Sample Rate 88K
7-4
reserved
3-2
CH1FMT[1:0] Data format of channel 1
00 8 bit Mono mode
01 8 bit Stereo mode
10 16 bit Mono mode
11 16 bit Stereo mode
1-0
CH0FMT[1:0] Data format of channel0
00 8 bit Mono mode
01 8 bit Stereo mode
10 16bit Mono mode
11 16 bit Stereo mode
Interrupt Hold/Clear Register
Address 0CH
Bit(s) R/W
Name
Description
31-19
Reserved
18
TDMA_INT_EN Interrupt hold/clear bits for updating TDMA position
0
Interruupt Clear
1
Interrupt Hold if exist.
17
CH1_INT_EN Interrupt hold/clear bits for the Channel 1.
0
Interrupt Clear
1
Interrupt Hold if exist.
16
CH0_INT_EN Interrupt hold/clear bits for the Channel 0.
0
Interrupt Clear
1
Interrupt Hold if exist.
15-0
Reserved
Interrupt Register
Bit(s) R/W
31
R
Name
INTR
Description
Interrupt reflected from any sources.
0 No interrupt
Address 10H
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