CHAPTER 14 SERIAL ARRAY UNIT
Page 355 of 920
The channels supporting 3-wire serial I/O (CSIp) are channel 2 of SAU0 and channels 0 to 2 of SAU1.
Note
CSI20 is used for internal communication between MCU and RF transceiver. For this channel, only the
master can be selected.
3-wire serial I/O (CSIp) performs the following seven types of communication operations.
• Master transmission
• Master reception
• Master transmission/reception
• Slave transmission
• Slave reception
• Slave transmission/reception
Unit
Channel
Used as CSI
Used as UART
0
0
Cannot be used
Cannot be used
1
2
CSI10
UART1
3
Cannot be used
1
0
CSI20
Cannot be used
1
CSI21
2
CSI30
UART3
3
Cannot be used
Summary of Contents for RL78/G1H
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