Winbond W83628F & W83629D Pci/Isa Bridge - Intel ESM-2740 User Manual

1.6.11 Winbond W83628F & W83629D PCI/ISA Bridge
W83628F is a PCI-to-ISA bus conversion IC. W83629D (45-LQF) is a condensed
centralizer IC for IRQ and DMA control. W83628F (128-QFP) and W83629D together form
a complete set for the PCI-to-ISA bridge.
• Full ISA Bus Support including ISA Masters
• 5V ISA and 3.3V PCI interfaces
• PC/PCI DMA protocol for Software Transparent
• IRQ Serializer for ISA Parallel IRQ transfer to Serial IRQ
• Supports 3 fully ISA Compatible Slots without Buffering
• PCI Bus at 25MHz, 33MHz and up to 40MHz
• Supports Programmable ISA Bus Divide the PCI Bus Clock into 3 or 4
• All ISA Signals can be Isolate
• Supports Configuration registers for programming performance
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