w83628f Winbond Electronics Corp America, w83628f Datasheet - Page 16

• Manufacturer Part Number: w83628f
• Description: Pci To Isa Bridge Set
• Manufacturer: Winbond Electronics Corp America

Bit 6
Bit 5
Bit 4:0
8.5 REVID-REVISION IDENTIFICATION REGISTER
Address Offset:
Default Value:
Attribute:
This register shows status information for PCI bus related events.
Bit 7:0
8.6 CCODE-CALSS CODE REGISTER
Address Offset:
Default Value:
Attribute:
The class code register is a read-only register and used to identify the ISA bridge.
Bit 23:16
Bit 15:8
Bit 7:0
8.7 HEADT-HEAD TYPE REGISTER
Address Offset:
Default Value:
Attribute:
The register is a read-only register and used to indicate that the ISA bridge configuration space
adheres to PCI local bus specification. It also indicates that ISA bridge is not a multifunction device.
Bit 6:0
Bit 7
Multifunction Indicator.
0 = Not a multifunction device.
Layout Code.
00h = PCI layout type.
66 MHz/ 33 MHz(Only support 33 MHz).
Hardwired to zero.
User Defineable Features(Not supported).
Hardwired to zero.
Reserved.
Reserved and will returns zero when reading this register.
Revision Identification Number.
Base Class Code.
06h = Bus Bridge
Sub-Class Code.
01h = PCI to ISA Bridge
Programming Interface.
00h
0Eh
00h
Read Only
08h
See lastest stepping information
Read Only
09-0Bh
060100h
Read Only
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W83628F & W83629D