- on Microcontrollers
- Published in issue 11/2015 on page 10
From 8 to 32 bits: ARM Microcontrollers for Beginners (6)
The SPI bus
As we have seen previously in this series, the SERCOM module in the SAM D20 can be configured as a U(S)ART or as an I2C interface. To complete our tour of the module, one interface remains to be described: SPI. In this installment we look at a large-scale project that uses the SPI bus as well as other already-familiar peripheral modules.