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Renesas SH7781 User Manual

Page 597

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13. PCI Controller (PCIC)

Rev.1.00 Jan. 10, 2008 Page 567 of 1658

REJ09B0261-0100

Bit Bit

Name

Initial
Value R/W

Description

12 RTA 0 SH:

R/WC

PCI: R/WC

Target Abort Receive Status

This bit indicates that a transaction was completed by
target abort when the PCIC is a master.

0: Transaction is not completed with target abort

1: The bus master detected completion of transaction

with target abort.

11 STA 0 SH:

R/WC

PCI: R/WC

Target Abort Execution Status

This bit indicates that a transaction was completed by
target abort when the PCIC is a target.

0: Transaction is not completed by target abort

1: Transaction was completed by target abort

10, 9

DEVSEL

01

SH: R

PCI: R

DEVSEL Timing Status
This bit indicate the response timing status of

DEVSEL when the PCIC is a target.
00: Fast (not support)

01: Medium

10: Slow (not support)

11: Reserved

8 MDPE

0

SH:

R/WC

PCI: R/WC

Data Parity Error

This bit indicates that the PCIC asserted

PERR or

detected the assertion of

PERR when the PCIC is a

master. This bit is set to 1 only when the parity
response bit is set to 1.

0: Data parity error is not generated

1: Data parity error was generated

7 FBBC

1

SH:

R

PCI: R

Fast Back-to-Back Status

This bit indicates whether a target can accept fast
back-to-back transfers for a different target if the PCIC
is a target.

0: A target does not support fast back-to-back

transactions for a different target

1: A target supports fast back-to-back transactions for

a different target