Expand click mikroBUS™ The Click accessory modules plug into the MikroBUS sockets in MikroElektronika microcontroller development boards. EXPAND Click features an SPI to 16-bit I/O expander device. MCP23S17 port expander with SPI clock speeds up to 10 MHz
16 x GPIO pins divided into two 8-bit ports
Selectable hardware address using SMD jumpers
Communication: serial SPI up to 10MHz
Power supply: +3.3V or +5Vdc