- IO expander evaluation through LEDs or broken out to headers
- Input evaluation with on board pushbutton switches
- Example code including necessary functions for each IO expander
Texas Instruments IO-EXPANDER-EVM
The IO expander evaluation module (EVM) lets you evaluate TI's portfolio of SMBus and I2C IO expander line devices. The TCA6424A and TCA9539 come installed on the board. The 24-pin TSSOP footprint also supports TCA6408A, TCA6416A, TCA9534, TCA9534A, TCA9535, TCA9538, TCA9554, TCA9554A and TCA9555.