CP2112 debug board USB bus power supply: 4 to 5.25V
Self-powered: 3.0 to 3.6V
I/O voltage: 1.8V to VDD
GPIO can be configured as input/output and open drain/push-pull
512 byte SMBus data buffer
Integrated 194-byte one-time programmable ROM for storing customizable product information
On-chip power-on reset circuit
On-chip regulator: 3.45V output

CP2112 has USB2.0 to I2C interface, USB bus power supply, and no external power supply is required
It is a two-wire I2C/IIC/TWI/SMBUS interface, supporting four transmission speeds of 20KHz/100KHz/400KHz/750KHz
It can provide power supply+3.3V and+5V output
Interface signals include SCL, SDA, GND,+5V and+3.3V
The two-wire synchronous serial port I2C/IIC/TWI/SMBUS is an active serial port
The working temperature is - 20 ℃~+70 ℃

First connect the CP2112 evaluation board to the PC
Then connect one end of the USB cable to the USB port on the computer
Connect the other end of the USB cable to the USB connector on the CP2112 evaluation board
Connect SDA, SCL and grounding pins on CP2112 to the SMBus device
The external pull-up resistor is not required if the pull-up resistor on the CP2112 evaluation board is used. Please standardize your use

The SMBus interface terminal block and access headers are included to easily interace SMBus devices to the evaluation board
The terminal block can be used to connect wires to the board, and the access connectors can be used to connect scope probes to the SMBus interface for debugging
The signals that are accessible through these two connectors are SDA, SCL, GND, and the external pull-up voltage signal

Package include:
1 x CP2112 debug board