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RL78/G1A CHAPTER 12 SERIAL ARRAY UNIT
R01UH0305EJ0200 Rev.2.00 435
Jul 04, 2013
The channels supporting 3-wire serial I/O (CSI00, CSI01, CSI10, CSI11, CSI20, CSI21) are channels 0 to 3 of SAU0
and channels 0 to 3 of SAU1.
• 25-pin products
Unit Channel Used as CSI Used as UART
Used as Simplified I
2
C
0 CSI00 IIC00
1
−
UART0
−
2
− −
0
3 CSI11
UART1
IIC11
• 32-pin products
Unit Channel Used as CSI Used as UART
Used as Simplified I
2
C
0 CSI00 IIC00
1
−
UART0
−
2
− −
0
3 CSI11
UART1
IIC11
0 CSI20 IIC20 1
1
−
UART2 (supporting LIN-bus)
−
• 48-pin products
Unit Channel Used as CSI Used as UART
Used as Simplified I
2
C
0 CSI00 IIC00
1 CSI01
UART0
IIC01
2
− −
0
3 CSI11
UART1
IIC11
0 CSI20 IIC20 1
1 CSI21
UART2 (supporting LIN-bus)
IIC21
• 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