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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: 133/159頁
文件大小: 3984K
代理商: W83C553F
W83C553F
4.4
The Bus Master IDE Register set is defined by the PCI SIG. It is composed of 16 8-bit registers and is located at the I/O
address specified by Base Address Register 4. The registers can be accessed 8, 16, 24, or 32 bits at a time.
This register set is supplied to offer a higher performance lower overhead IDE disk protocol. With this protocol, the host
(PCI) transfers will be bus master cycles and the IDE device transfers will be DMA. The normal PIO protocol uses I/O
transfers on both the host and IDE interfaces. Primary and Secondary refer to the primary and secondary IDE ports. Both
register sets are identical.
Table 4-5
.
Bus Master IDE I/O Register Organization
Offset from
Base Address
31
24
23
Electrical Specifications
WINBOND SYSTEMS LABORATORY
130
Bus Master IDE (Function 1) I/O Registers
Register Bits
16
15
8
7
Primary Command
Register
0
03h - 00h
Reserved
Primary Status
Register
Reserved
07h - 04h
Reserved
Primary PRD Table Address
0Bh - 08h
Secondary Status
Register
Reserved
Secondary Command
Register
0Fh - 0Ch
Secondary PRD Table Address
Note: The registers shown in Table 4-5
cannot be accessed
until after Base Address Register 4 is written (with any non zero
value).
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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