Datasheet Details
| Part number | STMPE812 |
|---|---|
| Manufacturer | STMicroelectronics |
| File Size | 622.49 KB |
| Description | Enhanced 4-wire resistive touchscreen controller |
| Datasheet |
 STMPE812 Datasheet
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General Description
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.
Table 1.
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 - 3.6 V t(s).
- Integrated 4-wire touchscreen controller, pendown/real-time mode, fully-autonomous uc.
- 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.
- Wake-up feature on each port configure.