参数资料
型号: YMF754
厂商: Yamaha Corporation
英文描述: DS-1E
中文描述: 副秘书长至1E
文件页数: 3/60页
文件大小: 305K
代理商: YMF754
YMF754
June 28, 1999
-11-
00-01h: Vendor ID
Read Only
Default: 1073h
Access Bus Width: 8, 16, 32-bit
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Vendor ID
b[15:0] ........Vendor ID
This register contains the YAMAHA Vendor ID registered in Revision 2.2.
This register is hardwired to
1073h.
02-03h: Device ID
Read Only
Default: 0012h
Access Bus Width: 8, 16, 32-bit
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
Device ID
b[15:0] ........Device ID
This register contains the Device ID of DS-1E.
This register is hardwired to 0012h.
04-05h: Command
Read / Write
Default: 0000h
Access Bus Width: 8, 16, 32-bit
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
-
SER
-
PER
-
BME
MS
IOS
b0................IOS: I/O Space
This bit is a dummy one that is capable of writing.
This bit indicates for BIOS or OS that DS-1E
includes I/O devices.
b1................MS: Memory Space
This bit enables DS-1E to response to Memory Space Access.
“0”: DS-1E ignores Memory Space Access.
(default)
“1”: DS-1E responds to Memory Space Access.
b2................BME: Bus Master Enable
This bit enables DS-1E to act as a master device on the PCI bus.
“0”: Do not set DS-1E to be the master device.
(default)
“1”: Set DS-1E to be the master device.
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