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參數資料
型號: W83628F
廠商: WINBOND ELECTRONICS CORP
元件分類: 總線控制器
英文描述: PCI TO ISA BRIDGE SET
中文描述: ISA BUS CONTROLLER, PQFP128
封裝: PLASTIC, QFP-128
文件頁數: 23/27頁
文件大小: 271K
代理商: W83628F
PCI TO ISA BRIDGE SET
W83628F & W83629D
PRELIMINARY
Publication Release Date: Jan 1999
- 23 - Revision 0.32
2.30 WISA_CTRLREG4-ISA BRIDGE CONTROL REGISTER 4
Address Offset:
73h
Default Value:
00h
Attribute:
Read/Write
Bit7
=0 Enable DRQ 7.
=1 Disable DRQ 7.
Bit 6
=0 Enable DRQ6.
=1 Disable DRQ6.
Bit 5
=0 Enable DRQ5.
=1 Disable DRQ5.
Bit 4
Reserved.
Bit 3
=0 Enable DRQ 3.
=1 Disable DRQ 3.
Bit 2
=0 Enable DRQ 2.
=1 Disable DRQ 2.
Bit 1
=0 Enable DRQ 1.
=1 Disable DRQ 1.
Bit 0
=0 Enable DRQ 0.
=1 Disable DRQ 0.
2.31 WISA_TSTREG-ISA BRIDGE TEST REGISTER
Address Offset:
80h
Default Value:
04h
Attribute:
Read/Write
Bit 7-5
Reserved and should not write data to this register.
Bit 4
=0 80h port decoding on subtrastive cycles of LPC I/F.
=1 80h port decoding on positive cycles of LPC I/F.
This Bit must be set 1when LPC I/F is only decoding on positive cycles,but
when the bridge is used in PIIX4 for test set the bit to 0 .
Bit 3
Reserved and should not write data to this register.
Bit 2-0
000
001
- 0.8 nS. For Winbond Internal Reference only.
- 0.6 nS.
相關PDF資料
PDF描述
W83637HF LPC I/O
W83637HF-AW LPC I/O
W83697HF WINBOND I/O
W83697 WINBOND I/O
W83697F WINBOND I/O
相關代理商/技術參數
參數描述
W83629AG 制造商:Nuvoton Technology Corp 功能描述:PCI to ISA Bus Conversion 48-Pin LQFP
W83629D 制造商:WINBOND 制造商全稱:Winbond 功能描述:PCI TO ISA BRIDGE SET
W83637HF 制造商:WINBOND 制造商全稱:Winbond 功能描述:LPC I/O
W83637HF_06 制造商:WINBOND 制造商全稱:Winbond 功能描述:LPC I/O
W83637HF-AW 制造商:WINBOND 制造商全稱:Winbond 功能描述:LPC I/O