RL78/G13 CHAPTER 12 SERIAL ARRAY UNIT
R01UH0146EJ0100 Rev.1.00 576
Sep 22, 2011
• 64-pin products
Unit Channel Used as CSI Used as UART
Used as Simplified I
2
C
0 CSI00 IIC00
1 CSI01
UART0
IIC01
2 CSI10 IIC10
0
3 CSI11
UART1
IIC11
0 CSI20 IIC20 1
1 CSI21
UART2 (supporting LIN-bus)
IIC21
• 80, 100, 128-pin products
Unit Channel Used as CSI Used as UART
Used as Simplified I
2
C
0 CSI00 IIC00
1 CSI01
UART0
IIC01
2 CSI10 IIC10
0
3 CSI11
UART1
IIC11
0 CSI20 IIC20
1 CSI21
UART2 (supporting LIN-bus)
IIC21
2 CSI30 IIC30
1
3 CSI31
UART3
IIC31
3-wire serial I/O (CSI00, CSI01, CSI10, CSI11, CSI20, CSI21, CSI30, CSI31) performs the following seven types of
communication operations.
• Master transmission (See 12.5.1.)
• Master reception (See 12.5.2.)
• Master transmission/reception (See 12.5.3.)
• Slave transmission (See 12.5.4.)
• Slave reception (See 12.5.5.)
• Slave transmission/reception (See 12.5.6.)
• SNOOZE mode function (See 12.5.7.)