34.7.4.4 DMA and Interrupts
| Condition | Request DMA |
Interrupt |
|---|---|---|
| Standard (DRE): Data
Register Empty FIFO (DRE): at least TXTRHOLD locations in TX FIFO are empty |
Yes (request cleared when data is written) |
Yes |
| Standard (RXC): Receive
Complete FIFO (RXC): at least RXTRHOLD data available in RX FIFO, or a last word available and length frame reception completed. |
Yes (request cleared when data is read) |
Yes |
| Standard (TXC): Transmit
Complete FIFO (TXC): Transmit Complete and TX FIFO is empty |
N/A | Yes |
| Client Select low (SSL) | N/A | Yes |
| Error (ERROR) | N/A | Yes |