MCP23017(SG-IO-E017) IO port expander module adopts I2C interface, less pin occupation
MCP23017 breakout board onboard 3-digit DIP switch is convenient for users to set I2C address
Compatible with 3.3V/5V working level
PH2.0 interface and 2.54mm spacing pad reserved for easy access to other development boards
We provide open source demo codes for Raspberry Pi, Ardui. and STM32 development boards
وصف
Overview:
This MCP23017(SG-IO-E017) expansion module adopts I2C interface to realize 16 I/O port expansion.
It supports for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B etc models as well as Ardui. and STM32.
We provide C and Python demo codes for the Raspberry Pi, as well as Ardui. and STM32 demo codes, that can implement input testing, output testing, and interrupt testing.
Specifications:
Dimensions: 45mm(Length)*25mm(width)
Control chip: MCP23017.
Signal interface: I2C.
Supply voltage: 3.3 V/5 V.
Expansion I/O: 16.
Interrupt pin: INTA、INTB.
Interface definition:
VCC: Power supply positive (3.3 V/5 V).
GND: Power supply ground.
SDA: I2C data line.
SCL: I2C clock line.
INTA: PA port interrupt pin.
INTB: PB port interrupt pin.