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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

This module is flexible in configuration and strong in driving ability. There are many parallel connections.
Each IO can be arbitrarily configured as input or output, and a pull up resistor can be set, and the interrupt function can be enabled for the IO configured as input.
The IO interface has a strong driving capacity, and the current and current can reach 25mA.
MCP23017 is a high-speed IIC interface. It supports the IIC frequency of 100KHz, 400KHz and 1.7MHz.
The chip has 3 address pins, which can be set up for 8 different addresses. So 8 modules can be connected through two IIC buses to achieve up to 128 IO extensions.

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Product descriptionParameters: Operating voltage 3.0V - 5.5VD rive chipMCP23017Number of
IO: 16 (input, output, interruption)Drive
power supply: 25mA112C
frequency: 100KHz, 400KHz, 1..
7MHzworking temperature: -40 Celsius -125
CelsiusChip level: Industrial
gradeParallel multiple: Up
to 8Driver: 51 and
Ar-duinoModule size: 65mm*19mmPin
descriptionVCC: 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 1PieceDouble row straight pin 2*7Double row Bending pin 2*7Single row straight pin 1*20Single row Bending pin 1*20

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Item#: 9SIC07DKR37025