STMPE812 Overview
The STMPE812 is a 4-wire resistive touchscreen controller with 4-bit port expander integrated. The touchscreen controller is designed to be fully autonomous, requiring only minimal CPU intervention for sampling, filtering and preprocessing operations. Device summary Order code STMPE812BJR Package Flip-chip CSP12 (2.17 x 1.67 mm) February 2011 Doc ID 17732 Rev 3 Packaging Tape and reel 1/51 .st.
STMPE812 Key Features
- 4 GPIOs (8 mA drive, 12 mA sink at 3.3 V)
- 1 additional, general purpose 12-bit ADC
- Operating voltage 1.65
- Integrated 4-wire touchscreen controller, pendown/real-time mode, fully-autonomous
- 1 PWM controller d
- Auto-hibernation and low power ro
- Typ 0.5 µA in Hibernation mode P
- Typ 100 µA in Active mode te
- Interrupt output pin (optional) le
- Reset input pin (optional) so