SPRUJB6B November 2024 – May 2025 AM2612
The PRU can be used to feed data into the TX L1 FIFO using the R30 and R31 registers, shown in Figure 7-84. The PRU has the option to write up two or four bytes of R30 and then pushes the data into the TX L1 FIFO by writing to the R31 command interface.
Figure 7-84 PRU to TX L1 FIFO Interface