Specifications

RX62N Group, RX621 Group RIIC Multi-Master Communication
R01AN0630EJ0100 Rev.1.00 Page 2 of 23
Sep 27, 2011
1. Specifications
This sample program first performs a master mode transmission operation (10 bytes) and then performs a master mode
reception operation (10 bytes). It uses a communication bit rate of 100 kbps.
Table 1 lists peripheral functions used and their application and figure 1 shows the connection diagram.
Table 1 Peripheral Functions and Usage
Peripheral function Usage
RIIC For RIIC communication
Interrupt controller (ICU) For interrupts
RX62N
Master + slave
(Address 0x10)
P12/SCL0
P13/SDA0
3.3 V
12 MHz
Master/slave device 1
(Address 0x20)
SCL
SDA
Renesas Starter Kit+
Master/slave device 2
(Address 0x30)
SCL
SDA
Figure 1 Connection Diagram