SPRUIE9D May 2017 – May 2024 DRA74P , DRA75P , DRA76P , DRA77P
To enable and configure DMA mode, perform the following steps:
| Step | Register/Bit Field/Programming Model | Value |
|---|---|---|
| Set the option of DMA mode configuration | UART_SCR[0] DMA_MODE_CTL | - |
| IF Configure DMA mode 0 and 1 | UART_SCR[0] DMA_MODE_CTL | =0 |
| Select the DMA mode, for more information see Section 26.3.4.6.4 | UART_FCR[3] DMA_MODE | - |
| IF Configure DMA mode from 0 to 3 | UART_SCR[0] DMA_MODE_CTL | =1 |
| Select the DMA mode, for more information see Section 26.3.4.6.4 | UART_SCR[2:1] DMA_MODE_2 | - |