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參數資料
型號: W83C553F
廠商: WINBOND ELECTRONICS CORP
元件分類: 總線控制器
英文描述: SYSTEM I/O CONTROLLER WITH PCI ARBITER
中文描述: ISA BUS CONTROLLER, PQFP208
封裝: 28 X 28 MM, PLASTIC, QFP-208
文件頁數: 103/159頁
文件大小: 3984K
代理商: W83C553F
W83C553F
Electrical Specifications
WINBOND SYSTEMS LABORATORY
100
Operational Control Word 1 Register
Function
:
The Operational Control Word 1 (OCW1) Register sets and clears the mask bits in the Interrupt Mask
(IMR) Register. Each interrupt request line may be selectively masked or unmasked any time after
initialization.
Type
:
Read/Write
Bit Description
:
Bits [7:0]:
IMR[7:0]. When a "1" is written to any bit in this register, the corresponding IRQx line is
masked. When a "0" is written to any bit in this register, the corresponding IRQx mask bit is
cleared and interrupt requests will again be accepted by the controller.
Note: Masking IRQ2 on 21h will also mask interrupt requests from A1h, which is physically
cascaded to IRQ2.
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相關代理商/技術參數
參數描述
W83C553FG 制造商:Winbond Electronics Corp 功能描述:
W83C553F-G 制造商:未知廠家 制造商全稱:未知廠家 功能描述:W83C553F-G Highly Integrated System I/O Controller for Power PCTM (South Bridge) QFP 208
W83C553FY-G 制造商:Nuvoton Technology Corp 功能描述:I/O Controller Phase Controller 208-Pin PQFP 制造商:Winbond Electronics 功能描述:I/O CONTROLLER 制造商:Nuvoton Technology 功能描述:I/O Controller Phase Controller 208-Pin PQFP
W83C554F 制造商:WINBOND 制造商全稱:Winbond 功能描述:SYSTEM I/O CONTROLLER WITH PCI ARBITER & UltraDMA/33 IDE Controller
W83C554FY 制造商:Nuvoton Technology Corp 功能描述:I/O Controller Phase Controller 制造商:Nuvoton Technology 功能描述:I/O Controller Phase Controller