参数资料
型号: CMI-8738
厂商: C-Media Electronics Inc.
英文描述: C3DX PCI-Based HRTF 3D Extension Positional Audio Chip
中文描述: C3DX基于PCI的HRTF的3D定位音效芯片扩展
文件页数: 28/28页
文件大小: 512K
代理商: CMI-8738
C-MEDIA ELECTRONICS INC. Tel:886-2-87731100
Fax:886-2-87732211
URL : www.cmedia.com.tw
Products and company names mentioned here are the trademarks of their respective owners.
CMI-8738/PCI-SX AUDIO Specification
9
Ver. 1.2
1
0
1
16 K
1
0
32 K
1
48 K
9-6
Reserved
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
Reserved
Channel Format Register
Address
08H
Bit(s)
R/W
Name
Description
31-24
VER[7:0]
PCI Audio subversion for internal indentification. “01”
23-19
Reserved
18
FMOFFSET2
When set 1 and Reg. 24H bit7 ‘FMmute=1’,FM PCM will be forced
to DC value 0002H.
17-16
Reserved
15-14
AdcBitLen[1:0] Sample resolution
00
16 Bits per sample . (Default)
01
15 Bits per sample.
10
14 Bits per sample.
11
13 Bits per sample.
13-12
AdcDacLen[1:0] Sample resolution
00
600nSec per bit in a sample.
01
660nSec per bit in a sample.
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