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DEVMO MCP23017 I2C Interface 16bit I/O Extension Module Pin Board IIC to GIPO Convert Compatible with Ar-duino IIC Input and Output Expansion Board
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About DEVMO MCP23017 I2C Interface 16bit I/O Extension
Product description Parameters: Operating voltage：3.0V-5.5V Drive chip：MCP23017 Number of IO: 16 (input, output, interruption) Drive power supply: 25mA1 12C frequency: 100KHz, 400KHz, 1..7MHz working temperature: -40 Celsius -125 Celsius Chip level: Industrial grade Parallel multiple: Up to 8 Driver: 51 and Ar-duino Module size: 65mm*19mm Pin description VCC: Power source input (3.0V-5.5V) GND: Power negative electrode (0V) SCL: 12C clock line (SCL connecting single chip IO pin or MCU 12C interface) SDA: 12C data line (SDA connecting single chip IO pin or MCU 12C interface) RST: Chip reduction (Low level effective, connecting MCU IO pin or unconnected) ITA: GPIOA port interrupt output (Connect MCU IO pin, without connection when interruption) ITB: GPIOB port interrupt output (Connect MCU IO pin, without connection when interruption) Package list: STC15W408AS MSP 1Piece Double row straight pin 2*7 Double row Bending pin 2*7 Single row straight pin 1*20 Single row Bending pin 1*20
