Renesas RL78/G1H

RL78/G1H CHAPTER 15 SERIAL INTERFACE IICA
R01UH0575EJ0120 Rev. 1.20 Page 429 of 920
Dec 22, 2016
Figure 15 - 2 shows a serial bus configuration example.
Figure 15 - 2 Serial Bus Configuration Example Using I
2
C Bus
Remark n = 0, 1
Master CPU1
Slave CPU1
Address 0
SDAAn
SCLAn
Serial data bus
Serial clock
+V
DD
SDAAn
SCLAn
SDAAn
SCLAn
SDAAn
SCLAn
SDAAn
SCLAn
Master CPU2
Slave CPU2
Address 1
Slave CPU3
Address 2
Slave IC
Address 3
Slave IC
Address N
+VDD