參數(shù)資料
型號: SAA7785
廠商: NXP Semiconductors N.V.
英文描述: ThunderBird Avenger(TM) PCI Audio Accelerator(雷鳥Avenger(TM)PCI音頻加速器)
中文描述: 雷鳥復(fù)仇者(商標(biāo))的PCI音頻加速器(雷鳥復(fù)仇者(商標(biāo))的PCI音頻加速器)
文件頁數(shù): 40/68頁
文件大?。?/td> 1303K
代理商: SAA7785
ThunderBird Avenger
TM
PCI Audio
Accelerator
SAA7785
Philips Semiconductors
Preliminary Specification
1999
Nov 12
40
SSA7785 ThunderBird Avenger CFG Space 0 Legacy Base Address Registers
The SSA7785 ThunderBird Avenger contains three legacy I/O base registers in configuration space 0. These legacy
devices are the Sound Blaster register, the AdLib registers and the MIDI interface registers. They are described in detail
in the next three tables.
TABLE 21
Sound Blaster Base Address- SBBASE (RW/RO)
D23
D22
D21
D20
D19
D18
D17
D16
SONGBASE[23:16]
POR Value
0
0
0
0
0
0
0
0
D15
D14
D13
D12
D11
D10
D9
D8
SONGBASE[15:8]
POR Value
0
0
0
0
0
0
0
0
D7
D6
D5
D4
D3
D2
D1
D0
SONG
BASE[7]
R
R
R
R
R
R
IO
POR Value
0
0
0
0
0
0
0
1
Bit
Name
R/W
Function
31:7
SONGBASE
RW
Thunderbird non-legacy device base address register. This register supplies
the I/O base address for the non-legacy I/O devices within the SSA7785
ThunderBird Avenger chip.
6:1
R
RO
Reserved. These bits are reserved a must always return a zero for plug and
play.
0
IO
RO
I/O flag. This read only bit indicates that this is an I/O range.
PCI CFG 0
D31
D30
D29
D28
D27
D26
D25
D24
Offset 14h
SBBASE[31:24]
POR Value
0
0
0
0
0
0
0
0
D23
D22
D21
D20
D19
D18
D17
D16
SBBASE[23:16]
POR Value
0
0
0
0
0
0
0
0
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