I/O Expander Module PCF8574T
Allows to have up to 8 digital inputs/outputs connected through I2C bus.
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PCF8574 Datasheet
I/O Expander Module PCF8574T
Sunrom Product Code for Ordering:
6500
The PCF8574 IO Expansion Board is used as a remote 8-bit I/O expander for I2C-bus. Up to 8 PCF8574, IO Expansion Board can be connected to the I2C-bus, providing up to 64 I/O ports.
The PCF8574 IO Expansion Board features an I2C pin header on one side and an I2C connector on the opposite side. Hence, it's more flexible to connect the board to your development system. The board also supports I2C cascading, allowing the use of a multi-module connected to the I2C bus at the same time by connecting the pin header and connector.
Features:
- Working voltage: 2.5-6V
- Interface: IIC
- 8-bit parallel port
- 1 x I/O Expander Module PCF8574T
Pinout:
- Vcc - supply voltage 2.5-6V
- GND - ground
- SDA - I2C data line
- SDL - I2C clock line
- P0 .. P7 - digital I/O
- /INT - interrupt output
- A0 .. A2 - I2C address settings
