FIFO_CTRL Register: FIFO Control Register Read/Write register Default value: 0x00 7:5 FMODE2-FMODE0: FIFO mode FMODE2 | FMODE1 | FMODE0 | Mode description -------------------------------------------------- 0 | 0 | 0 | Bypass mode. FIFO turned off. (Default) 0 | 0 | 1 | FIFO mode. Stop collecting data when FIFO is full. 0 | 1 | 0 | Stream mode. If the FIFO is full, the new sample overwrites the older one (circular buffer). 0 | 1 | 1 | Stream mode until trigger is de-asserted, then FIFO mode. 1 | 0 | 0 | Bypass mode until trigger is de-asserted, then Stream mode. 1 | 0 | 1 | Not to use. 1 | 1 | 0 | Not to use. 1 | 1 | 1 | Bypass mode until trigger is de-asserted, then FIFO mode. 4:0 WTMP4-WTMP0: FIFO Watermark pointer. It is the FIFO depth when the Watermark is enabled