PCA9502
PCA9502 is 8-bit I/O expander manufactured by NXP Semiconductors.
8-bit I/O expander with I2C-bus/SPI interface
Rev. 4
- 23 February 2016
Product data sheet
1. General description
The PCA9502 is an 8-bit I/O expander with I2C-bus/SPI host interface. The device es in a very small HVQFN24 package, which makes it ideally suitable for hand-held, battery operated applications.
The device also supports software reset, which allows the host to reset the device at any time, independent of the hardware reset signal.
2. Features and benefits
2.1 General Features
- Selectable I2C-bus or SPI interface
- 3.3 V or 2.5 V operation
- Industrial temperature range:
- 40 C to +85 C
- Eight programmable I/O pins
- Software reset
- Industrial and mercial...