W83C553F Datasheet, PDF (114/159 Pages) Winbond – SYSTEM I/O CONTROLLER WITH PCI ARBITER

W83C553F
Electrical Specifications
Table 4-2. Organization of IDE Control Registers
Address
Register Bits
31
24 23
16 15
87
0
43h-40h
IDE Control/Status Register
47h-44h
Port 0 Drive 0 Control Register
4Bh-48h
Port 0 Drive 1 Control Register
4Fh-4Ch
Port 1 Drive 0 Control Register
53h-50h
Port 1 Drive 1 Control Register
7Bh-54h
Reserved (00000000h)
7Fh-7Ch
Reserved
FFh-80h
Reserved (00000000h)
All reserved bits and bytes return a logic 0 when read. All reserved bytes written will execute normal PCI cycles, but will not
affect the operation or device registers.
Internal register information for the W83C553F SIO is organized as follows:
•
Register name and Index value offset from base address.
•
Function of the signal.
•
Type (Read and/or Write).
•
Bit description.
WINBOND SYSTEMS LABORATORY
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