SPRUIU1D July 2020 – December 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 |