SPI Interface Converter PinBoard, 16Bit I/O Extension Module MCP23S17-E/SS for Arduino
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Description: This module is the 16 IO extension module of the SPI interface with the MCP23S17 MicroChip. The chip is fully functional, each IO can be configured as input or output arbitrarily. The …
Read More…This module is the 16 IO extension module of the SPI interface with the MCP23S17 MicroChip. The chip is fully functional, each IO can be configured as input or output arbitrarily. The IO interface has a strong driving capacity, and the current can reach 25mA.
MCP23S17 is a high-speed SPI interface which up to 10MHz. The chip has 3 address pins and can set 8 different addresses, so 8 modules can be connected through two IIC buses to achieve up to 128 IO extensions.
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