35.7.4.4 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 | NA | Yes |
Client Select low (SSL) | NA | Yes |
Error (ERROR) | NA | Yes |