Product overview
Description
The STMPE610 is a GPIO (general purpose input/output) port expander able to interface a main digital ASIC via the two-line bidirectional bus (I2C). A separate GPIO expander is often used in mobile multimedia platforms to solve the problems of the limited amount of GPIOs typically available on the digital engine.
The STMPE610 offers great flexibility, as each I/O can be configured as input, output or specific functions. The device has been designed with very low quiescent current and includes a wakeup feature for each I/O, to optimize the power consumption of the device.
A 4-wire touchscreen controller is built into the STMPE610. The touchscreen controller is enhanced with a movement tracking algorithm to avoid excessive data, 128 x 32 bit buffer and a programmable active window feature.
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All features
- 6 GPIOs
- 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)
- 6-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)
Circuit Diagram
EDA Symbols, Footprints and 3D Models
STMicroelectronics - STMPE610
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