Datasheet

Chapter 14
SLAU144J–December 2004–Revised July 2013
Universal Serial Interface (USI)
The Universal Serial Interface (USI) module provides SPI and I
2
C serial communication with one hardware
module. This chapter discusses both modes.
Topic ........................................................................................................................... Page
14.1 USI Introduction .............................................................................................. 396
14.2 USI Operation .................................................................................................. 399
14.3 USI Registers .................................................................................................. 405
395
SLAU144J–December 2004–Revised July 2013 Universal Serial Interface (USI)
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