SPRZ544B March 2023 – December 2024 AM62A3 , AM62A3-Q1 , AM62A7 , AM62A7-Q1
USART Spurious DMA Interrupts
Spurious DMA interrupts may occur when DMA is used to access TX/RX FIFO with a non-power-of-2 trigger level in the TLR register.
Use power of 2 values for TX/RX FIFO trigger levels (1, 2, 4, 8, 16, and 32).