PCA9502 Overview
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.
PCA9502 Key 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 temperature ranges
- Available in HVQFN24 package
- 16 hardware-selectable slave addresses
- Noise filter on SCL/SDA inputs
- 400 kbit/s (maximum)