CMI-8738 Datasheet, PDF (11/28 Pages) C-Media Electronics – C3DX PCI-Based HRTF 3D Extension Positional Audio Chip

30-28
27
R
26
R
25-17
16
R
15
R
14
R
13-8
7
R
6
R
5
R
4
R
3
R
2
R
1
R
0
R
Ver. 1.2
CMI-8738/PCI-SX AUDIO Specification
Reserved
VCO
MCBint
Reserved
UARTint
LTDMAINT
HTDMAINT
Reserved
XDO46
LHBTOG
LegHDMA
LegStereo
Ch1Busy
Ch0Busy
Chint1
Chint0
1 Interrupt pending
Abort conditions occur during PCI Bus Target/Master Access.
0 No interrupt
0 Interrupt pending
This bit is the UART interrupt bit.
0 No UART interrupt
1 UART interrupt pending
Interrupt for updating Low Channel TDMA position.
0 No interrupt
1 Interrupt pending
Interrupt for updation High Channel TDMA position.
0 No interrupt.
1 Interrupt pending.
Direct programming EEPROM interface , read data register
High/Low status from DMA CTRL register.
Legacy is in High DMA channel.
Legacy is in Stereo mode.
Channel B Busy.
Channel A Busy.
Channel B Interrupt.
0 No interrupt
1 Interrupt pending
Channel A Interrupt.
0 No interrupt
1 Interrupt pending
Legacy Control/Status Register
Bit(s) R/W
31
30-29
Name
Reserved
VMPU [1:0]
Description
Base address for MPU401 access
00 Base address : 330h
01 Base address : 320h
10 Base address : 310h
Address 14H
C-MEDIA ELECTRONICS INC. Tel:[phone] Fax:[phone] URL : www.cmedia.com.tw
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