Renesas rl78 Manuel D’Utilisation
RL78/G1A
CHAPTER 13 SERIAL INTERFACE IICA
Figure 13-2 shows a serial bus configuration example.
Figure 13-2. Serial Bus Configuration Example Using I
2
C Bus
Master CPU1
Slave CPU1
Address 0
SDAA0
SCLA0
Serial data bus
Serial clock
+ V
DD
+ V
DD
SDAA0
SCLA0
SDAA0
SCLA0
SDAA0
SCLA0
SDAA0
SCLA0
Master CPU2
Slave CPU2
Address 1
Slave CPU3
Address 2
Slave IC
Address 3
Slave IC
Address N
R01UH0305EJ0200 Rev.2.00
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Jul 04, 2013