Please, confirm my assumption: it is typing error in RM0090? Register DMA_SxFCR STM32F4xx
- Bits 1:0 FTH[1:0]: FIFO threshold selection
- These bits are set and cleared by software.
- 00: 1/4 full FIFO
- 01: 1/2 full FIFO
- 10: 3/4 full FIFO
- 11: full FIFO
- These bits are not used in the direct mode when the DMIS value is zero.
- These bits are protected and can be written only if EN is ‘1’