UPD78F1502AGK-GAK-AX Datasheet, PDF (596/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 15 SERIAL INTERFACE IICA
Figure 15-2 shows a serial bus configuration example.
Figure 15-2. Serial Bus Configuration Example Using I²C Bus
+ VDD + VDD
Master CPU1
Slave CPU1
Address 0
Serial data bus
SDA0
Serial clock
SCL0
SDA0
SCL0
Master CPU2
Slave CPU2
Address 1
SDA0
SCL0
Slave CPU3
Address 2
SDA0
SCL0
Slave IC
Address 3
SDA0
SCL0
Slave IC
Address N
R01UH0004EJ0501 Rev.5.01
580
Jun 20, 2011