CMI8738-MX Datasheet, PDF (13/32 Pages) C-Media Electronics – PCI-6CH C3DX series /PCI-Based HRTF 3D Extension Positional Audio Chip

CMI8738
PCI-6CH C3DX series /PCI-Based HRTF 3D Extension Positional Audio Chip
Function Control Register 1
Address
04H
Bit(s) R/W
Name
Description
31-16
Reserved
15:13
12:10
9
DSFC[2:0]
0 00
001
0 10
011
100
101
110
111
ASFC[2:0]
000
001
010
011
100
101
110
111
SPDF_1
Channel 1 Sampling Frequency Selection
5.512 K
11.025 K
22.05 K
44.1 K
8K
16 K
32 K
48 K
Channel 0 Sampling Frequency Selection
5.512 K
11.025 K
22.05 K
44.1 K
8K
16 K
32 K
48 K
SPDIF IN/OUT at Channel B at 44.1K double-words/sec.
8
SPDF_0
SPDIF OUT only at Channel A at 44.1K double-words/sec.
7
SPDFLOOP
external SPDIF/IN loopback to external SPDIF/OUT .
6
SPDO2DAC
SPDIF/OUT can be heard from internal DAC.
5
INTRM
Interrupt Mask bit for MCB (Master control block) module interrupt.
0 MCB interrupt disabled.
1 MCB interrupt enabled.
4
BREQ
If this bit is set low it will prevent the MCB and DAC/ADC block from
accessing the memory.
0 Bus Master request disabled(power on state)
1 Bus Master request enabled.
3
VOICE_EN
This bit enables Legacy Voice device(SB16,FM).
0 Legacy Voice disabled on channel 0.
1 Legacy Voice enabled on channel 0.
2
UART_EN
This bit enables Legacy UART device.
0 UART disabled
1 UART enabled
1
JYSTK_EN
This bit enables Legacy Joystick device.
0 Joystick disabled
1 Joystick enabled
0
ZVPORT
Enable ZVPORT, default 0 disable.
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