Table 3–5 – Altera PCI Compiler User Manual

Page 90

Advertising
background image

3–16

User Guide Version 11.1

Altera Corporation

PCI Compiler

October 2011

PCI Bus Signals

Table 3–5

shows definitions for the PCI status register bits.

Local Address, Data, Command, & Byte Enable Signals

Table 3–6

summarizes the PCI local interface signals for the address, data,

command, and byte enable signals.

Table 3–5. PCI Status Register Output Bus (stat_reg[6..0]) Bit Definition

Bit Number

Bit Name

Description

0

perr_rep

Parity error reported. Status register bit 8.

1

tabort_sig

Target abort signaled. Status register bit 11.

2

tabort_rcvd

Target abort received. Status register bit 12.

3

mabort_rcvd

Master abort received. Status register bit 13.

4

serr_sig

Signaled system error. Status register bit 14.

5

perr_det

Parity error detected. Status register bit 15.

6

int_stat

(1)

Interrupt status. Status register bit 3.

Note to

Table 3–5

:

(1)

This signal is added for compliance with the PCI Local Bus Specification, Revision 3.0.

Advertising