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8bit MCUs combine up to 17 ADC channels

25 Sep 2014

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Microchip Technology Inc. unveiled 8bit MCUs, which integrate two independent 10bit 100K samples analogue-to-digital converters (ADCs).

The PIC16LF1554 and PIC16LF15549 MCUs combine up to 17 ADC channels with automated hardware CVD modules to implement capacitive sensing and other front-end sampling applications with minimal software overhead.

The devices also include up to 14KB Flash with 512B RAM, a 32MHz internal oscillator, two PWM modules, along with I2C, SPI and EUSART for communications. Additionally, they are eXtreme Low Power (XLP) compliant with active and sleep currents of 35µA/MHz and 30nA, respectively, for applications where energy conservation is paramount.

Microchip MCU

PIC16LF1554 and PIC16LF15549 MCUs block diagram. Source: Microchip

Meanwhile, the ADC configuration is designed for efficient sensor acquisition, and assists with advanced touch-sensing techniques for extremely noisy environments, low-power applications, matrix keypads and water-resistant designs.

The MCUs are available for sampling and production—with PIC16LF1554 in 14-pin PDIP, TSSOP, SOIC and 16-pin QFN (4mm x 4mm x .9mm) packages, and PIC16LF1559 in 20-pin PDIP, SSOP and QFN packages. Pricing starts at $0.63 each, in 10,000-unit quantities.

An overview on Microchip's 8bit PIC microcontrollers: PIC16LF1554 and PIC16LF1559. Source: Microchip

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