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Microchip rolls out smallest, low cost PIC MCU

Posted: 27 Mar 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Microchip Technology? PIC MCU? I2C? ADC? Capacitive Voltage?

Microchip Technology has added a low-cost, low pin count chip to its 8bit microcontroller (MCU) family. The PIC12LF1552 is the company's smallest (2x3mm UDFN package) and lowest-cost PIC MCU with hardware I2C support, and includes a four channel 10bit Analog-to-Digital Converter (ADC) with hardware Capacitive Voltage (CVD) support for capacitive touch sensing.

The hardware CVD enables a more efficient implementation of capacitive sensing for touch applications. This "Core-Independent Peripheral" includes additional control logic that enables automated sampling, which reduces software size and minimises CPU usage. It also provides automatic control of guard-ring drive and a programmable sample-and-hold capacitance, to better match larger touch or proximity sensors. These capabilities, combined with the low cost and small footprint of the PIC12LF1552, make it well suited for applications such as temperature-monitoring devices, small remote controls, smartphone buttons, room light control, and coffeemakers among others.

The new MCU also features 3.5KB Flash program memory, 256B RAM, a 32MHz internal oscillator, low-voltage operation from 1.8V to 3.6V, and low power consumption for active and sleep currents of 50?A/MHz and 20 nA, respectively.

"The low-cost PIC12LF1552 extends Microchip's PIC12/PIC16F15XX family by providing I2C in our most compact 8 pin package, to address a wide variety of space-constrained and cost-sensitive applications," said Steve Drehobl, vice president of Microchip's MCU8 Division. "Designers can also make use of the integrated hardware CVD to improve their design's efficiency if capacitive touch or proximity sensing is required."

The PIC12LF1552 MCU is offered in 8 pin PDIP, SOIC, MSOP and 2x3x0.5mm UDFN packages. It is available today for sampling and volume production.

For more information, visit Microchip's website at

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