XIO2000AI datasheet(111/159 Pages) TAOS

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PCI Express Extended Configuration Space

101

April 2007 Revised October 2008

SCPS155C

5.6

Correctable Error Status Register

The correctable error status register reports the status of individual errors as they occur. Software may only

clear these bits by writing a 1b to the desired location. See Table 5−5 for a complete description of the register

contents.

PCI Express extended register offset:

110h

Read-only, Read/Clear

Default value:

0000 0000h

BIT NUMBER

RESET STATE

BIT NUMBER

RESET STATE

Table 5−5. Correctable Error Status Register Description

BIT

FIELD NAME

ACCESS

DESCRIPTION

31:13

RSVD

Reserved. Returns 000 0000 0000 0000 0000b when read.

12†

REPLAY_TMOUT

RCU

Replay timer time-out. This bit is asserted when the replay timer expires for a pending request

or completion that has not been acknowledged.

11:9

RSVD

Reserved. Returns 000b when read.

8†

REPLAY_ROLL

RCU

REPLAY_NUM rollover. This bit is asserted when the replay counter rolls over after a pending

request or completion has not been acknowledged.

7†

BAD_DLLP

RCU

Bad DLLP error. This bit is asserted when an 8b/10b error was detected by the PHY during the

reception of a DLLP.

6†

BAD_TLP

RCU

Bad TLP error. This bit is asserted when an 8b/10b error was detected by the PHY during the

reception of a TLP.

5:1

RSVD

Reserved. Returns 00000b when read.

0†

RX_ERROR

RCU

Receiver error. This bit is asserted when an 8b/10b error is detected by the PHY at any time.

† These bits are reset by a PCI Express reset (PERST), a GRST, or the internally-generated power-on reset.

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