Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

Shenzhen Mingjiada Electronics Co., Ltd. is a supplier of [STMicroelectronics] touch and display controller electronic enterprises, the company provides a variety of types of electronic products.

The main business of electronic products include: 5G  Chip, new energy IC, Internet of Things IC, Bluetooth IC, vehicle networking IC, vehicle level IC, base station IC, communication IC, artificial intelligence IC, medical IC, home appliance IC, voice IC, memory IC, sensor IC, microcontroller IC, transceiver IC, mobile phone IC, Apple phone IC/ Watch IC, wearable IC, connector, lighting IC Capacitors, resistors, two triode and other electronic components.

Touch screen controller in STM32 series microcontrollers

The STM32 series of microcontrollers is one of ST's flagship products, with an integrated touch screen controller for managing and controlling the input of the touch screen. The STM32F7 series of microcontrollers supports a variety of touch screen types, including resistive and capacitive touch screens. These touch screen controllers communicate with the touch screen through dedicated hardware interfaces such as I2C, SPI, and GPIO, providing high-precision touch detection and processing capabilities. The main functions include touch detection, coordinate conversion, touch data processing, and interrupt generation ‌.

Dedicated touch screen controller chip

ST also offers some dedicated touch screen controller chips, such as the STMPE811. The STMPE811 is a four-wire resistive touch screen controller with autonomous control that minimizes application requirements on the main processor. The chip has built-in 12-bit analog-to-digital converter and 128 x 32-bit FIFO data buffering circuit, with accurate positioning function and window shielding function. Due to its low-power design, the STMPE811 operates at less than 1mA and has a standby current of less than 1μA, making it ideal for portable devices ‌.

Application scenario

ST's touch screen controllers are used in a wide range of portable devices such as PDAs, mobile phones, GPS receivers, game consoles and POS terminals. These devices require touch sensor control solutions with high sensitivity, high integration and low power consumption.

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