Key facts
- Brand
- STMicroelectronics
- Model
- STMPE811
- Industry
- Industrial
- Documents
- 5
- Languages
- EN
- Last added
- 2012-08-10
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STMPE811 S-Touch Advanced Resistive Touchscreen Controller Datasheet
The STMPE811 is a GPIO (general purpose input/output) port expander designed to interface a main digital ASIC via a two-line bidirectional bus. It features an integrated 4-wire touchscreen controller enhanced with a movement tracking algorithm, a 128 x 32 bit buffer, and a programmable active window feature. The device also includes an 8-input 12-bit ADC and a temperature sensor.
Read onlineSTMicroelectronics STMPE811 specifications
| Operating voltage | 1.8 - 3.3 V |
|---|---|
| GPIO count | 8 GPIOs |
| ADC resolution | 12-bit |
| Touchscreen buffer depth | 128 x 32 bit |
| Package type | QFN16 |
| ESD protection (system level) | 25 kV |
| ESD protection (device level) | 4 kV HBM |
Source: STMPE811 S-Touch Advanced Resistive Touchscreen Controller Datasheet
All STMicroelectronics STMPE811 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What is the package size of the STMPE811?
The device is available in a QFN16 package with dimensions of 3x3x1 mm.
From: STMPE811 S-Touch Advanced Resistive Touchscreen Controller Datasheet
What microcontroller is used in the demonstration board?
The board utilizes an STM32F103xB microcontroller.
Does the board support firmware upgrades?
Yes, it supports run-time application firmware upgrade using DFU (Device Firmware Upgrade).
What power sources can operate the STEVAL-IFS014V1?
The device can be powered by a 3.7 V Li-ion battery or using USB power without a battery.
From: ST STEVAL-IFS014V1 Smart monitoring station based on the STM32F103xx STMPE811 handbook
How does the STEVAL-IFS014V1 connect to other nodes?
It functions as a hub for a low data rate wireless network based on ZigBee protocol.
From: ST STEVAL-IFS014V1 Smart monitoring station based on the STM32F103xx STMPE811 handbook
What is the recommended ADC sample time setting?
The recommended setting is 80 clock cycles as a compromise between speed and accuracy.