STMPE1208SQTR

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The STMPE1208SQTR is an integrated capacitive touch sense device specifically designed for the consumer and industrial markets. It consists of a charge transfer controller, 10 channels of capacitive sensing, 8 programmable LEDs and a 32-bit ARM Cortex-M0 core. It comes in a 1.1mm x 2.6mm QFN package, making it perfect for space-constrained applications. The STMPE1208SQTR is part of STmicroelectronics\' family of capacitive touch sensors, which includes the popular STMPE610, the STMPE810, and the STMPE811.

The STMPE1208SQTR capacitive touch sense device is designed for use in a variety of consumer and industrial applications, such as touchscreens, gaming controllers, and medical diagnostics. It can be used in a variety of configurations, including single- or multi-channel applications, and can be used for both true-flat as well as curved surfaces. The device is also well-suited for use in applications with limited space, such as mobile phones, tablets, and other handheld devices.

The STMPE1208SQTR features an on-board 32-bit ARM Cortex-M0 core, which is used for the acquisition and processing of input data from its 10 touch-sensing channels. The device is also equipped with 8 programmable LEDs, which can be used for feedback and diagnostics. In addition, the device has a charge transfer controller, which is used to reduce noise and improve signal accuracy.

To use the STMPE1208SQTR, the user must first configure the device for the desired application. This is achieved by programming the device\'s registers via a host microcontroller or directly from the touch screen\'s controller. Once the device is programmed and powered, it will continuously measure the capacitance of each input channel and output the resulting data in a digital format.

The STMPE1208SQTR also has a unique feature that allows it to detect hard presses against the surface of the touchscreen. This is achieved by measuring the change in capacitance of multiple sensing nodes at the same time. This feature can be used to accurately detect gestures and make the touchscreen more intuitive and easier to use.

The STMPE1208SQTR also has an on-board voltage regulator, which can be used to power its 8 LED drivers. This allows the user to turn on the LEDs when the user is interacting with the touchscreen, thus providing visual feedback. The device is also capable of detecting the presence of an external power source, and can use it to power its circuitry.

In summary, the STMPE1208SQTR is an ideal solution for applications where touch and gesture control are required. The device features 10 capacitive sensing channels, 8 programmable LEDs, and an on-board 32-bit ARM Cortex-M0 core. It can be used for both true-flat and curved surfaces, and for applications with limited space. Additionally, the device is capable of detecting hard presses and can provide visual feedback via its 8 LED drivers.

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