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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 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)： | 43/70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
43
Interrupt Line Register - INTLINE (RW)
Interrupt PIN Register - INTPIN (RO)
MIN_GNT Register - MINGNT (RO)
PCI CFG 0
D7
D6
D5
D4
D3
D2
D1
D0
Offset 3Ch
INTLINE[7:0]
POR Value
0
0
0
0
0
0
0
0
Bit
Name
R/W
Function
7:0
INTLINE
RW
Interrupt Line. The Interrupt Line register is an eight bit register used to
communicate interrupt line routing information. The value in this register tells
which input of the system interrupt controller(s) the SAA7780 Device's
interrupt pin is connected to. If serial interrupts are enabled (COMARCH0
Register IRQSER=1) then the INT_LINE register will be read only and will
have the value of all 1's. If Serial Interrupts are disabled (IRQSER=0) then
the INT_LINE register will be readable/writable.
PCI CFG 0
D7
D6
D5
D4
D3
D2
D1
D0
Offset 3Dh
INTPIN[7:0]
POR Value
0
0
0
0
0
0
0
1
Bit
Name
R/W
Function
7:0
INTPIN
RO
Interrupt Pin. The interrupt pin register tells which interrupt the SAA7780
device uses. If serial interrupts are enabled (COMARCH0 Register
IRQSER=1) then the INT_PIN register will have the read only value of all 0's
implying that the SAA7780 device does not use any of the PCI Interrupt pins.
If Serial Interrupts are disabled (IRQSER=0) then the INT_PIN register will
have the read only value of 01h implying that the SAA7780 device uses INT
A interrupt pin.
PCI CFG 0
D7
D6
D5
D4
D3
D2
D1
D0
Offset 3Eh
MINGNT[7:0]
POR Value
0
0
0
0
1
0
0
1
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