SPRUIU1C July 2020 – February 2024 DRA821U , DRA821U-Q1
Several types of errors/exceptions may be encountered during reception of data. The following table outlines the various errors and exceptions that can occur:
Condition | Channel Type | Severity | Pauses Channel | Error Flag Set | Data Transfer | Data Flush | TR Flush | Event Output |
---|---|---|---|---|---|---|---|---|
Descriptor Starvation | All Packet | Exception | No | No | Option | Option | - | No |
Protocol Errors | All Packet | Info | No | No | Normal | No | - | No |
Drop | Host – normal | Exception | No | No | Partial(2) | Until EOP | - | No |
Host – single buffer | Error | Selectable(1) | Yes | Partial(2) | Until EOP(3) | - | No | |
Mono | Exception | No | No | Partial(2) | Until EOP | - | No | |
UTC–single ended | Exception | No | No | Partial(2) | Until EOP | Until EOP(4) | Yes | |
UTC- block copy | Illegal | - | - | - | - | - | - | |
EOL Asserted Prematurely | All Packet | Error | Selectable(1) | Yes | No | Yes | - | No |
UTC – single ended | Exception | No | No | Normal | No | No | Yes | |
UTC – block copy | Illegal | - | - | - | - | - | - | |
EOP Asserted Prematurely (Short Packet) | UTC – single ended | Exception | No | No | Normal | No | Until EOP(4) | Yes |
EOP Asserted Late (Long Packet) | UTC – single ended | Exception | No | No | Partial | Excess | No | Yes |
TR null icnt0 | All UTC | Error | Selectable(1) | Yes | No | No | Just that TR | No |
Unsupported TR Type | All UTC | Error | Selectable(1) | Yes | No | No | Just that TR | No |