ELANSC520 datasheet(82/440 Pages) AMD

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PCI Bus Host Bridge Registers

6-18

Élan™SC520 Microcontroller Register Set Manual

Device/Vendor ID (PCIDEVID)

I/O Address 0CF8h/0CFCh

PCI Index 00h

This register contains the PCI configuration header space vendor and device identification for the ÉlanSC520

microcontroller host bridge.

Bit Definitions

Programming Notes

This register (PCIDEVID) is register number 0 in the host bridge-specific PCI configuration space.

Bit

DEV_ID[15

–8]

Reset

00110000

R/W

Bit

DEV_ID[7

–0]

Reset

00000000

R/W

Bit

VDR_ID[15

–8]

Reset

00010000

R/W

Bit

VDR_ID[7

–0]

Reset

00100010

R/W

Bit

Name

Function

–16

DEV_ID[15

–0]

Device ID

3000h = This bit field identifies the ÉlanSC520 microcontroller host bridge PCI bus device.

15–0

VDR_ID[15

–0]

Vendor ID

1022h = This bit field identifies Advanced Micro Devices, Inc., as the vendor of the

ÉlanSC520 microcontroller host bridge PCI bus device.

ELANSC520 Datasheet(PDF) 82 Page - Advanced Micro Devices

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