STMPE812 Datasheet Enhanced 4-wire resistive touchscreen controller

Manufacturer: STMicroelectronics

STMPE812 enhanced 4-wire resistive touchscreen controller by STMicroelectronics - Datasheet Preview

Datasheet Details

Part number	STMPE812
Manufacturer	STMicroelectronics
File Size	622.49 KB
Description	Enhanced 4-wire resistive touchscreen controller
Download	STMPE812 Download (PDF)

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.

Overview

STMPE812 S-Touch® enhanced 4-wire resistive touchscreen controller with.

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.

More Datasheets from STMicroelectronics

Part Number	Description
STMPE801	8-bit port expander Xpander logic
STMPE321	3-channel capacitive touch key controller
STMPE610	Touchscreen Controller
STMPS2242	Enhanced dual-channel power switche
STMPS2252	Enhanced dual-channel power switche
STMPS2262	Enhanced dual-channel power switche
STMPS2272	Enhanced dual-channel power switche
STM1001	Reset Circuit
STM1061	Low Power Voltage Detector
STM1403	3V FIPS-140 Security Supervisor