SPRUI30H November 2015 – May 2024 DRA745 , DRA746 , DRA750 , DRA756
The CMD_IDLE bit in the CPDMA_DMACONTROL register allows CPDMA operation to be suspended. When the idle state is commanded, the CPDMA will stop processing receive and transmit frames at the next frame boundary. Any frame currently in reception or transmission will be completed normally without suspension. For transmission, any complete or partial frame in the tx cell FIFO will be transmitted. For receive, frames that are detected by the CPDMA after the suspend state is entered are ignored. No statistics will be kept for ignored frames. Commanded idle is similar in operation to emulation control and clock stop.