The PCF8574PW has a total of 16 pins, including power supply, ground, I2C-bus interface, and I/O ports.
The PCF8574PW acts as an I/O expander by providing additional digital input/output pins to a microcontroller through the I2C-bus. It communicates with the microcontroller using the I2C protocol and allows for easy expansion of I/O capabilities.
In conclusion, the PCF8574PW is a versatile I/O expander that offers low power consumption and simplified I/O expansion for microcontrollers. Its integration into various applications such as industrial automation, consumer electronics, and IoT devices makes it a valuable component in modern electronic systems.
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What is PCF8574PW?
How many I/O ports does PCF8574PW provide?
What is the supply voltage range for PCF8574PW?
Can PCF8574PW be used with 5V microcontrollers?
How do I address multiple PCF8574PW devices on the same I2C bus?
What are some common applications of PCF8574PW?
What is the maximum sink current per I/O port for PCF8574PW?
Can PCF8574PW be used for driving high-power loads directly?
Does PCF8574PW have internal pull-up resistors?
Is there a library available for interfacing PCF8574PW with popular microcontrollers?