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參數(shù)資料
型號(hào): W9960CF
廠商: WINBOND ELECTRONICS CORP
元件分類: 消費(fèi)家電
英文描述: A Single Chip Multiprotcol High Performance Video CODEC(單片多協(xié)議高性能視頻編解碼器)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP208
封裝: PLASTIC, QFP-208
文件頁(yè)數(shù): 32/65頁(yè)
文件大小: 368K
代理商: W9960CF
W9960CF
Winbond Confidential
32
June 1997
3.8 X_INTERRUPT Controller ( XINTC )
XINTC provides 16 channels interrupt trigger source and generates INTA# to PCI_BUS.
Channel #0~#7 are used for XDMA requests. Channel #8~#11 are reserved for VRISC to issue
interrupts to host. Channel #12 is for the ISA-like external Interrupt. Channel#13~#14 are the TC
interrupts for XDMA and FDMA. Channel#15 is the interrupt from INTC controller. All channels
are maskable by XMSK register. Host has to read the XSTS register to identify interrupt source
when receiving a W9960CF issued interrupt. Host issues interrupt to VRISC by programming
PCI_INT register, which will generate a interrupt trigger pulse for VRISC to enter interrupt service
routine.
Channel
XINT_IN
Description
0
xdreq0
dreq of XDMAC
1
xdreq1
2
xdreq2
3
xdreq3
4
xdreq4
5
xdreq5
6
xdreq6
7
xdreq7
8
1
(Reserved for VRISC)
9
1
(Reserved for VRISC)
10
1
(Reserved for VRISC)
11
1
(Reserved for VRISC)
12
extint
ISA External Interrupt
13
int1
tc of XDMAC
14
tc_out
tc of FDMAC
15
int
INT of INTG
XINTC Registers
RISC Address/PCI Offset Address
Name
Read/Write
Description
0006H/0018H
XMSK
R/W
X_Interrupt Mask Register
0007H/001CH
XSTS
R
X_Status Register
PCI_INT
W
PCI_INT Command
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相關(guān)代理商/技術(shù)參數(shù)
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W9961CF 制造商:WINBOND 制造商全稱:Winbond 功能描述:H.263/H.261 Video Codec
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