This video demonstrates how to use e² studio to enable RL78 Logic and Event Link Controller (ELCL) function to add Slave Selection (SS) to the slave receive mode of a Serial Array Unit's (SAU) 3-wire serial I/O (CSI) and achieve 4-wire SPI (Serial Peripheral Interface) communication.

0:00:00 Introduction
0:00:24 Add user code
0:00:56 Setup the board
0:01:11 Configure the debug session
0:01:33 Run the project

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