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Silica has introduced a range of 8-bit microcontrollers (MCUs), suitable for use in industrial, appliance, medical and automotive applications.

The PIC18FxxK22 range of 8-bit MCUs from Microchip is based on the Nanowatt XLP low-power technology.

The new devices offer all of the advantages of the PIC18F MCUs along with a 50 per cent reduction in active power.

C compiler-optimised architecture and a peripheral set are now available in 20- to 80-pin packages.

The PIC18F K22 MCUs offer operation from 1.8V to 5.5V and feature Nanowatt XLP technology for extreme low power operation, with Sleep/Active current reduction.

Further features include a 12-bit analogue-to-digital converter (ADC), numerous communication channels, 8-128Kb Flash memory and peripherals to support Mtouch capacitive touch-sensing applications.

Additional features comprise multiple pulse-width modulation (PWMs) and timers.

The 5V capability of the range is ideal for applications that typically require robust operation or noise immunity, according to the company.

Battery-powered applications benefit from Nanowatt XLP technology, which reduces current draw and therefore extends battery life.

The feature set of the PIC18F K22 MCUs makes the new range suitable for use in a variety of applications, including: industrial (such as metering, electronic door locks, cargo tracking, lighting and alarm systems); appliance (smart energy, dishwashers, refrigerators and heating, ventilation and air-conditioning controls); medical (diagnostic devices and portable medical meters); and automotive (lighting, dashboard instrument clusters, keyless entry, interior controls and garage-door openers).

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