參數(shù)資料
型號(hào)： 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)： 39/68頁
文件大?。?/td> 1303K
代理商： SAA7785
ThunderBird Avenger
TM
PCI Audio
Accelerator
SAA7785
Philips Semiconductors
Preliminary Specification
1999
Nov 12
39
SSA7785 ThunderBird Avenger CFG Space 0 Non-Legacy Base Address Registers
The Thunderbird Base Address Register (SONGBASE) is used to I/O map all of the non-legacy I/O devices in the
SSA7785 ThunderBird Avenger chip. The SONGBASE register maps the two DMA channels, the AC Link registers,
the Host/DSP interface, the Serial Port interfaces, and the Multimedia Timer. The offset index for each of the devices
are shown below: SSA7785 ThunderBird Avenger Non-Legacy I/O Device Map
TABLE 20
ThunderBird Base Address Register - Songbase (RW/RO)
6
START
RO
If BIST capable, this bit will start the BIST. Writing a 1 will start the test and
the BIST should write this bit to a zero when complete. Software should fail
the device if the BIST is not complete after 2 seconds.
5:4
R
RO
Reserved. These bits always return zero.
3:0
CODE
RO
Completion Code. A value of zero means the device has passed its test.
Non-zero values means the device has failed using device specific failure
codes.
Device Name
Byte 3
Byte 2
Byte 1
Byte 0
Offset
Multimedia Timer
TMCOUNT2
Reserved
Reserved
Reserved
TMCOUNT1
Reserved
Reserved
Reserved
TMCOUNT0
Reserved
Reserved
Reserved
TMSTAT
Reserved
Reserved
Reserved
00h
04h
08h
0Ch
Serial Ports
Reserved
Reserved
Reserved
Reserved
HDPCTL
HDDLA
Reserved
Reserved
ACDATA
ACSTAT
Reserved
Reserved
Reserved
Reserved
HDDATA
HDPSTT
HDDLD
Reserved
ACADDR
ACCTRL
10h
14h
18h
1Ch
Host/DSP Interface
20h
24h
28h
2Ch
AC Link Interface
30h
34h
ACPCML
ACPCMR
38h
3Ch
Serial IRQ
Reserved
Reserved
Reserved
IRQCTL
40h
Thunderbird Reserved
Reserved
44-7Fh
PCI CFG 0
D31
D30
D29
D28
D27
D26
D25
D24
Offset 10h
SONGBASE[31:24]
POR Value
0
0
0
0
0
0
0
0
Bit
Name
R/W
Function
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