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): 38/68頁
文件大?。?/td> 1303K
代理商: SAA7785
ThunderBird Avenger
TM
PCI Audio
Accelerator
SAA7785
Philips Semiconductors
Preliminary Specification
1999
Nov 12
38
TABLE 17
Master Latency Timer Register - LATIME (RW)
TABLE 18
Header Type Register - HEADER (RO)
TABLE 19
BIST Register - BIST (RO)
PCI CFG 0
D7
D6
D5
D4
D3
D2
D1
D0
Offset 0Dh
LATIME[7:0]
POR Value
0
0
0
0
0
0
0
0
Bit
Name
R/W
Function
7:0
LATIME
RW
The primary bus latency timer specifies the number of primary clocks that the
primary master may consume. The timer is reloaded at each assertion of
FRAME# by the primary master. If the primary master loses its bus grant,
then it must relinquish the bus after the timer expires.
PCI CFG 0
D7
D6
D5
D4
D3
D2
D1
D0
Offset 0Eh
MULTI_
FN
HEADER[6:0]
POR Value
1
0
0
0
0
0
0
0
Bit
Name
R/W
Function
7
MULTI_FN
RO
A 1 indicates that the SSA7785 ThunderBird Avenger is a multi-function
device. The three PCI configuration headers are accessed by the configura-
tion cycle address bits 10-8. The function definitions are as follows:
0 = Audio Subsystem
1 = Joystick
2 = 16650 UART
6:0
HEADER
RO
Header Type. A 00h indicates this device is a not a PCI-to-PCI bridge.
PCI CFG 0
D7
D6
D5
D4
D3
D2
D1
D0
Offset 0Fh
BIST
START
R
R
CODE[3:0]
POR Value
0
0
0
0
0
0
0
0
Bit
Name
R/W
Function
7
BIST
RO
BIST capable. BIST is not supported in the SSA7785 ThunderBird
Avenger, function 0 at this revision. It may be desired to include a BIST test
for the DSP at a later time.
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