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NOYITO MCP23017-E SS I2C Interface 16-Channel IO Expansion Module Compatible IIC Input and Output Expansion Board

KWD 5
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Special Features

  • This module is the 16 channel IO extension module of the 12C interface, and built in the MCP23017 chip of MicroChip.
  • 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.
  • 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.
  • NOYITO MCP23017-E SS I2C Interface 16-Channel IO Expansion Module Schematic Document
  • https://1drv.ms/u/s!AlzQUCOyZQhKgTSAfMW2bk17F6aF?e=LGBAB7

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 Arduino
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 Included:
1pcs NOYITO MCP23017-E/SS I2C Interface 16-Channel IO Expansion Module

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