AT697F datasheet(109/155 Pages) ATMEL

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AT697F ADVANCE INFORMATION

109

7703C–AERO–6/09

PCI Registers

Table 88. PCI Device Identification Register 1 - PCIID1

Address = 0x80000100

device id [15:0]

vendor id [15:0]

0x1202

0x1438

Bit Number

Mnemonic

Description

31..16

device id [15:0]

This field identifies the particular device. This identifier is allocated by the vendor.

15..0

vendor id [15:0]

This field identifies the manufacturer of the device. Valid vendor identifiers are allocated by the PCI SIG to

ensure uniqueness. 0FFFFh is an invalid value for Vendor ID.

Table 89. PCI Status - Command Register - PCISC

Address = 0x80000104

r/w r/w r/w

r/w

r/w r/w r/w

0x0000 0000

Note:

1. rr = Read and Reset by writing 1

Bit Number

Mnemonic

Description

stat15

Parity error detected.

This bit must be set by the device whenever it detects a parity error, even if parity error handling is disabled (as

controlled by bit 6 in the Command register).

stat14

SERR asserted.

This bit must be set whenever the device asserts SERR*. Devices who will never assert SERR* do not need to

implement this bit.

stat13

Master has terminated master abort.

This bit must be set by a master device whenever its transaction except for Special Cycle) is terminated with

Master-Abort. All master devices must implement this bit.

stat12

Master has terminated target abort

This bit must be set by a master device whenever its transaction is terminated with Target-Abort. All master

devices must implement this bit.

stat11

Target signal target abort.

This bit must be set by a target device whenever it terminates a transaction with Target-Abort. Devices that will

never signal Target-Abort do not need to implement this bit.

26..25

stat10_9[1:0]

Devsel timing.

These bits encode the timing of DEVSEL*. Three allowable timings for assertion of DEVSEL* are specified.

These are encoded as 00 for fast, 01 for medium, and 10 for slow (11b is reserved). These bits are read-only

and must indicate the slowest time that a device asserts DEVSEL* for any bus command except Configuration

Read and Configuration Write.

AT697F Datasheet(PDF) 109 Page - ATMEL Corporation

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