MCP2221 I2C Demo Board

Part Number: ADM00678

Summary:

The MCP2221 I2C Demonstration Board allows the user to communicate through a PC application to I2C slave devices by using the MCP2221 device as USB-to-I2C Master converter (bridge). The board can also work at the same time as a USB-to-RS232 (UART) bridge.

Documents and Software

Overview

Features

Additional Resources

Related Tools

Product Features

Real-time monitoring and logging of the current and power consumptions of a USB device, using the PAC1710 current, voltage and power sensor
Real-time monitoring and logging of the ambient temperature, using the MCP9808 temperature sensor
Real-time monitoring and logging of the voltage level recorded by the MCP3221 12-bit analog-to-digital converter
Performing measurements for resistors or capacitors using the MCP2221’s analog-to-digital converter and general purpose input/output pins
Configuration and control of up to 8 GPIOs, available from the MCP23008 I/O expander, as well as continuously monitoring the state of the pins (when used as digital inputs)
PIC16F1509 configuration to issue multiple warnings, through an RGB LED, when any of the featured readings are outside user-set conditions (such as “measured USB current is above 50 mA”)
Storing the above mentioned configuration as well as other, random data in a 24LC128 128-Kbit EEPROM
Output voltage level control of the MCP4726 digital-to-analog converter
Creating a USB-to-RS232 bridge; alternately, a USB-to-UART bridge connected to the PIC16F1509 microcontroller.

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Package Contents

1 x MCP2221 I2C Demo Board
2 x USB-A to USB Mini-B Cable