27.3.2.1 Initialization
If used, the following bits must be configured before enabling the TWI
device:
- The SDA Setup Time (SDASETUP) bit from the Control A (TWIn.CTRLA) register
- The SDA Hold Time (SDAHOLD) bit field from the Control A (TWIn.CTRLA) register
- The FM Plus Enable (FMPEN) bit from the Control A (TWIn.CTRLA) register