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: 雷鳥復仇者(商標)的PCI音頻加速器(雷鳥復仇者(商標)的PCI音頻加速器)
文件頁數(shù): 55/68頁
文件大?。?/td> 1303K
代理商: SAA7785
ThunderBird Avenger
TM
PCI Audio
Accelerator
SAA7785
Philips Semiconductors
Preliminary Specification
1999
Nov 12
55
TABLE 48
Interrupt Pin Register - INTPIN (RO)
TABLE 49
MIN_GNT Register - MINGNT (RO)
TABLE 50
MAX_LAT Register - MAXLAT (RO)
Bit
Name
R/W
Function
7:0
INTLINE
RO
Interrupt Line. The Interrupt Line register is an eight bit register used to com-
municate interrupt line routing information. The value in this register tells
which input of the system interrupt controller(s) the SSA7785 ThunderBird
Avenger Device's interrupt pin is connected to. It is set to 00h to use func-
tion 0’s interrupt line. There is no legacy interrupt support for function 1.
PCI CFG 1
D7
D6
D5
D4
D3
D2
D1
D0
Offset 3Dh
INTPIN[7:0]
POR Value
0
0
0
0
0
0
0
0
Bit
Name
R/W
Function
7:0
INTPIN
RO
Interrupt Pin. The interrupt pin register tells which interrupt the SSA7785
ThunderBird Avenger device uses. The read only value of 00h implies that
the SSA7785 ThunderBird Avenger device shares the INT A interrupt pin
with function 0. There is no legacy interrupt support for function 1.
PCI CFG 1
D7
D6
D5
D4
D3
D2
D1
D0
Offset 3Eh
MINGNT[7:0]
POR Value
0
0
0
0
0
0
0
0
Bit
Name
R/W
Function
7:0
MINGNT
RO
Minimum grant specifies how long of a burst period the device needs assum-
ing a clock speed of 33MHz. Since the SSA7785 ThunderBird Avenger,
function 1, is a target only, this register is read only and set to zero.
PCI CFG 1
D7
D6
D5
D4
D3
D2
D1
D0
Offset 3Fh
MAXLAT[7:0]
POR Value
0
0
0
0
0
0
0
0
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