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STMPE811
8-bit port expander with advanced touchscreen controller
Preliminary Data
Features
■ 8 GPIOs www.DataSheet4U.com ■ 1.8 - 3.3 V ■ ■ ■ ■ ■ ■ ■ ■ ■ ■
operating voltage
Integrated 4-wire touchscreen controller Interrupt output pin Wakeup feature on each I/O SPI and I2C interface Up to 2 devices sharing the same bus in I2C mode (1 address line) 8-input 12-bit ADC 128-depth buffer touchscreen controller Touchscreen movement detection algorithm 25 kV air-gap ESD protection (system level) 4 kV HBM ESD protection (device level)
QFN16
Description
The STMPE811 is a GPIO (general purpose input/output) port expander able to interface a main digital ASIC via the two-line bidirectional bus (I2C).