w83c554f Winbond Electronics Corp America, w83c554f Datasheet - Page 4

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

W83C554F
Preface............................................................................................................................................... 1
1.0
2.0
3.0
4.0
WINBOND ELECTRONICS CORP. AMERICA
TABLE OF CONTENTS
General Information ............................................................................................................. 4
1.1
1.2
1.3
Pin Descriptions................................................................................................................... 9
2.1
2.2
System Architecture............................................................................................................. 27
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
3.17
3.18
3.19
3.20
3.21
3.22
3.23
3.24
Register Information ............................................................................................................ 51
4.1
4.2
4.3
Features .................................................................................................................... 4
General Description ................................................................................................... 6
Stylistic Conventions Used in this Manual .................................................................. 8
Pin Assignments ........................................................................................................ 9
Pin Description........................................................................................................... 11
Overview ................................................................................................................... 27
Active State ............................................................................................................... 28
Bus Structures ........................................................................................................... 39
PCI-to-ISA Bridge ...................................................................................................... 30
PCI Bus Cycles.......................................................................................................... 31
PCI I/O Read Cycle ................................................................................................... 33
PCI I/O Write Cycle ................................................................................................... 34
PCI Configuration Read Cycle ................................................................................... 35
PCI Configuration Write Cycle ................................................................................... 36
PCI Memory Read ..................................................................................................... 37
PCI Memory Write ..................................................................................................... 38
PCI Memory Read Line.............................................................................................. 39
PCI Memory Write and Invalidate .............................................................................. 39
Transaction Termination ............................................................................................ 40
3.14.1
3.14.2
3.14.3
3.14.4
3.14.5
IDE Interface Operation ............................................................................................. 45
PIO Transfers ............................................................................................................ 46
32-Bit Data Transfers................................................................................................. 47
Bus Master Transfers................................................................................................. 48
82C59A Interrupt Controller ....................................................................................... 48
82C37A DMA Controller............................................................................................. 48
82C54 Counter/Timer ................................................................................................ 49
PCI Arbiter................................................................................................................. 49
Break Events ............................................................................................................. 50
CPU Modes (X86 or PowerPC) .................................................................................. 50
PCI Configuration Space - ISA Bridge Registers (Function 0) .................................... 53
4.1.1
4.1.2
ISA Bridge (Function 0) I/O Registers ........................................................................ 77
4.2.1
4.2.2
4.2.3
4.2.4
PCI Configuration Space - Bus Master IDE Registers (Function 1)............................ 108
4.3.1 Function 1 Header Registers ............................................................................. 110
PCI Disconnect With Data Transfer............................................................ 40
PCI Disconnect Without Data Transfer ....................................................... 41
PCI Target Abort ........................................................................................ 42
PCI Preemption.......................................................................................... 43
PCI Master Abort........................................................................................ 44
Function 0 Header Registers ...................................................................... 53
Function 0 Control Registers ...................................................................... 57
DMA Controller I/O Registers ..................................................................... 77
Programmable Interrupt Controller (PIC) Registers .................................... 92
Counter/Timer I/O Registers....................................................................... 100
Miscellaneous I/O Control Registers........................................................... 104
Table of Contents
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