Renesas RL78/G1P Hardware User Manual page 485

RL78/G1P
Figure 12-2 shows a serial bus configuration example.
SDA
Master CPU1
Slave CPU1
SCL
Address 2
SDA
Master CPU2
Slave CPU2
SCL
Address 5
Remark The RL78/G1P can communicate supporting two addresses as they have two units of serial interface IICA.
R01UH0895EJ0100 Rev.1.00
Nov 29, 2019
Figure 12-2. Serial Bus Configuration Example Using I
Serial data bus
Serial clock
CHAPTER 12 SERIAL INTERFACE IICA
+V +V
DD DD
RL78/G1P
SDAA0/SDAA1
SCLA0/SCLA1
SDA
SCL
SDA
SCL
SDA
SCL
2
C Bus
Master CPU0
Slave CPU0
IICA0
Address 0
Address 1
IICA1
Slave CPU3
Address 3
Slave IC
Address 4
Slave IC
Address N
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