SPRUIM2H May 2020 – October 2023 AM2431 , AM2432 , AM2434 , AM6411 , AM6412 , AM6421 , AM6422 , AM6441 , AM6442
To advance the next data byte seen by R31, the PRU must pop the data from the RX L1 FIFO. Likewise, the PRU can push the data from R30 to the TX L1 FIFO. These operations are illustrated in Figure 6-240.