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參數(shù)資料
| 型號(hào)： | SAA7780 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | ThunderBird Q3DE PCI Audio Accelerator(雷鳥(niǎo) Q3DE PCI音頻加速器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP160 |
| 封裝： | 28 X 28 MM, 3.42 MM HEIGHT, PLASTIC, QFP-160 |
| 文件頁(yè)數(shù)： | 38/70頁(yè) |
| 文件大?。?/td> | 348K |
| 代理商： | SAA7780 |
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ThunderBird Q3D PCI Audio
Accelerator
SAA7780
Philips Semiconductors
Product Specification
1999 Sep 30
38
SAA7780 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
SAA7780 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 are shown below.
SAA7780 Non-Legacy I/O Device Map
Bit
Name
R/W
Function
7
BIST
RO
BIST capable. BIST is not supported in the SAA7780, function 0 at this
revision. It may be desired to include a BIST test for the DSP at a later time.
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
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