5.12 Timing Requirements: PDM Digital Microphone Interface
At TA = 25°C, IOVDD = 3.3V or 1.8V or 1.2V and 20pF load on all outputs (unless otherwise noted); see Figure 5-4 for timing diagram. Set the IOVDD_IO_MODE bit correctly for IOVDD 1.8V and 1.2V Operation. Refer Section 8.3 for more details.