I2C Terminal; Digital General Purpose I/O Terminal - Renesas RAJ306010 User Manual

RAJ306010 RSSK(RTK0EML2C0S01020BJ)
4.7

I2C terminal

For I2C communication, a through hole for CN_I2C connector and check through hole (CN6) are mounted on
the board. The initial firmware does not use I2C terminal.
Communication method: Normal mode, Fast mode, Fast mode plus
■
Communication rate: up to 1 Mbps.
■
Terminal Terminal No.
CN_I2C 1
CN6
2
3
4
4.8

Digital general purpose I/O terminal

For general purpose I/O terminal, a through hole for CN_DIGI connector and check through hole (CN4) are
mounted on the board. Two power supplies and two GNDs and seven digital ports are connected to the
CN_DIGI connector.
The pin assignment of CN_DIGI is shown below.
The initial firmware does not use as digital general purpose input/output terminals.
Table 4-10. Digital general purpose I/O terminal connector (CN_DIGI, CN4) pin assignment
Terminal Terminal No.
CN_DIGI 1
CN4
2
3
4
5
6
7
8
9
10
R18UZ0078EJ0100 Rev.1.0
Mar 24, 2021
Table 4-9. I2C connector (CN_I2C, CN6) pin assignment
Silk(Terminal function)
VDD(5V)
SCLA0(SCL)
SDAA0(SDA)
GND
Silk screen(Terminal function)
VDD(5V)
VDD(5V)
P04
P41
P137
P62(Push Switch)
P63
P77
GND
GND
RAJ306010 terminal
VDD
P60/SCLA0(Pull up 1K by VDD)
P61/SDAA0(Pull up 1K by VDD)
GND
RAJ306010 terminal
V
DD
V
DD
P04
P41
P137
P62
P63
P77
V
SS
V
SS
4. Function
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