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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: 71/159頁
文件大小: 3984K
代理商: W83C553F
W83C553F
Electrical Specifications
WINBOND SYSTEMS LABORATORY
68
AT System Control Register (default = 04h)
Type:
Read/Write
Bit Description
:
Bit 7:
Reserved.
Bit 6:
ISA Refresh Enable.
Bit 5:
Reserved, always 0.
Bit 4:
FERR# Enable. If this bit is set to "1," pin 12 will function as the Numeric Co-processor error
input.
Bit 3:
Reserved.
Bit 2:
P92E. Port 92 Enable. When enabled, access to Port 92 is enabled. When disabled, cycle will
be passed to the ISA bus.
Bit 1:
Keyboard RC Emulation Enable. In x86 mode, this bit decodes the keyboard reset command
and generates INIT for at more than 4 PCI clocks. In PowerPC mode, this bit decodes the
keyboard reset command and generates HRESET# for 1ms.
Bit 0:
Keyboard Gate A20 Emulation Enable. This bit toggles the Gate A20 output in x86 mode,
depending on the keyboard command.
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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