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参数资料
| 型号： | YMF724 |
| 厂商： | Yamaha Corporation |
| 英文描述： | high performance audio controller for the PCI Bus |
| 中文描述： | 高性能音频控制器的PCI总线 |
| 文件页数： | 2/50页 |
| 文件大小： | 268K |
| 代理商： | YMF724 |
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YMF724F
January 14, 1999
-10-
1-2. PCI Configuration Register
In addition to the Configuration Register defined by PCI Revision 2.1, DS-1 provides proprietary PCI
Configuration Registers in order to control legacy audio function, such as FM Synthesizer, Sound Blaster Pro,
MPU401 and Joystick.
These additional registers are configured by BIOS or the configuration software
from YAMAHA Corporation.
The following shows the overview of the PCI Configuration Register.
Offset
b[31..24]
b[23..16]
b[15..8]
b[7..0]
00-03h
Device ID
Vendor ID
04-07h
Status
Command
08-0Bh
Base Class Code
Sub Class Code
Programming IF
Revision ID
0C-0Fh
Reserved
Header Type
Latency Timer
Reserved
10-13h
PCI Audio Memory Base Address
14-2Bh
Reserved
2C-2Fh
Subsystem ID
Subsystem Vendor ID
30-33h
Reserved
34-37h
Reserved
Cap Pointer
38-3Bh
Reserved
3C-3Fh
Maximum Latency
Minimum Grant
Interrupt Pin
Interrupt Line
40-43h
Extended Legacy Audio Control
Legacy Audio Control
44-47h
Subsystem ID Write
Subsystem Vendor ID Write
48-4Bh
DS-1 Power Control
DS-1 Control
4C-4Fh
Reserved
D-DMA Slave Configuration
50-53h
Power Management Capabilities
Next Item Pointer
Capability ID
54-57h
Reserved
Power Management Control / Status
58-5Bh
Reserved
ACPI Mode
5C-FFh
Reserved
registers are hardwired to “0”.
All data written to these registers are discarded.
The values
read from these registers are all zero.
DS-1 can be accessed by using any bus width, 8-bit, 16-bit or 32-bit.
相关PDF资料 |
PDF描述 |
|---|---|
| YMF724F | high performance audio controller for the PCI Bus |
| YMF724F-V | high performance audio controller for the PCI Bus |
| YMF740C | DS-1L |
| YMF743-S | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| YMF743 | AC97 Revsion2.1 Audio CODEC with Digital Audio I/F(AC97 2.1版音频编解码器（带数字音频接口）) |
相关代理商/技术参数 |
参数描述 |
|---|---|
| YMF724F | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:high performance audio controller for the PCI Bus |
| YMF724F-V | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:high performance audio controller for the PCI Bus |
| YMF740C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DS-1L |
| YMF740CV | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| YMF743 | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:AC’97 Revsion2.1 Audio CODEC with Digital Audio I/F |
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