Expand Click Board
IC/Module: MCP23S17 16-Bit I/O Expander
The MCP23S17 is a 16-bit I/O expander that supports up to 10MHz SPI clock speeds. It consists of multiple 8-bit configuration registers for input, output and polarity selection. The system master can enable the I/Os as either inputs or outputs by writing the I/O configuration bits (IODIRA/B). Consisting of two 8-bit ports, MCP23S17 module can be operated in the 8-bit or 16-bit modes.
EXPAND click features four onboard zero-ohm SMD jumpers, which includes three HARDWARE ADDRESS SEL for choosing the device address, and a PWR SEL jumper that enable the user to switch from 3.3V to 5V power supply.
- Expand Click Board (1)
- 1x8 male headers (2)
- Printed User Manual and Board Schematic (1)
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