w83c554f Winbond Electronics Corp America, w83c554f Datasheet - Page 54

• Manufacturer Part Number: w83c554f
• Description: System I/o Controller With Pci Arbiter & Ultradma/33 Ide Controller
• Manufacturer: Winbond Electronics Corp America

W83C554F
W83C554F Register Accessibility
WINBOND ELECTRONICS CORP. AMERICA
X = accessible in x86 mode
P = accessible in PowerPC mode
Functional Block
Config. Space
PIC 1
Counter/Timer
Port B
RTC Index (shadow)
DMA Page
Port 92
PIC2
Co-processor Error
DMA1
BMTR
DMA2
Interrupt Mode
RTC CMOS RAM
Address Range (Hex)
0-FF
20-21
40-43
61
70 write
81, 82, 83, 87, 89, 8A, 8B
92
A0-A1
F0 write
0-F
78-7B
C0-DE
4D0-4D1
810, 812
ISA
X P
X P
X P
X P
X P
X P
X P
X
PCI
X P
X P
X P
X P
X P
X P
X P
X P
X P
X P
X P
X P
X
P
Register Information
Broadcasted
X P
X P
X
P
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