1.Introduction
Page.1-12
I2C connection [1MHz-SCL / 1MHz-SDA]
( If a target device has power supply)
If a target device has power supply, please disable power supply by utility
software or application which uses an API library.
( The library is called usb61_power_control(). Refer to (4-4) at Chapter 4.)
ATMEL:
AT24C02B
SDA
SCL
Power
●
●
ATMEL:
AT24C02B
SDA
SCL
Power
●
●
Address
50h
●
●
●
●
Power
1MHz-SDA
1MHz-SCL
●
●
●
●
●
●
●
●
●
●
5V
5V
A target device
supply power.
Disable output of power
supply of REX-USB61.
Be sure to connect the
power terminal.
GND
REX-USB61
Address
51h
* Only after providing power to all devices, set on pull-up resistance.
* If a target device provide power, don’t attach pull-up resistance on I2C bus.
