JAJSOK5Q March 2011 – March 2024 TUSB7320 , TUSB7340
PRODUCTION DATA
The Uncorrectable Error Status Register reports the status of individual errors as they occur. Software may clear these bits only by writing a 1 to the desired location.
PCI Express Extended Register Offset: 104h
Register type: Read-Only, Read/Clear
Default value: 0000 0000h
Bit No. | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
Reset State | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit No. | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reset State | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
BIT | FIELD NAME | ACCESS | DESCRIPTION |
---|---|---|---|
31:21 | RSVD | r | Reserved. Returns zeros when read. |
20 | UR_ERROR(1) | rcu | Unsupported Request Error. This bit is asserted when an Unsupported Request is received. |
19 | ECRC_ERROR(1) | rcu | Extended CRC Error. This bit is asserted when an Extended CRC error is detected. |
18 | MAL_TLP(1) | rcu | Malformed TLP. This bit is asserted when a malformed TLP is detected. |
17 | RX_OVERFLOW(1) | rcu | Receiver Overflow. This bit is asserted when the flow control logic detects that the transmitting device has illegally exceeded the number of credits that were issued. |
16 | UNXP_CPL(1) | rcu | Unexpected Completion. This bit is asserted when a completion packet is received that does not correspond to an issued request. |
15 | CPL_ABORT(1) | rcu | Completer Abort. This bit is asserted when the TUSB73X0 signals a Completer Abort. |
14 | CPL_TIMEOUT(1) | rcu | Completion Timeout. This bit is asserted when no completion has been received for an issued request before the timeout period. |
13 | FC_ERROR(1) | rcu | Flow Control Error. This bit is asserted when a flow control protocol error is detected either during initialization or during normal operation. |
12 | PSN_TLP(1) | rcu | Poisoned TLP. This bit is asserted when a poisoned TLP is received. |
11:5 | RSVD | r | Reserved. Returns zeros when read. |
4 | DLL_ERROR(1) | rcu | Data Link Protocol Error. This bit is asserted if a data link layer protocol error is detected. |
3:0 | RSVD | r | Reserved. Returns zeros when read. |