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Embedded World: 8-bit PIC MCUs feature next-generation digital and analogue peripherals

Tue, 02/28/2012 - 11:24pm
ECN Europe

Microchip has launched a new family of 8-bit microcontrollers featuring next-generation analogue and digital peripherals, making them ideal for general-purpose applications, as well as battery charging, LED lighting, ballast-control, power-conversion and system-control applications.

The PIC12F(HV)752 MCUs feature an integrated Complementary Output Generator (COG) peripheral that provides non-overlapping, complementary waveforms for inputs such as comparators and Pulse Width Modulation (PWM) peripherals, while enabling dead-band control, auto shutdown, auto reset, phase control and blanking control.  Additionally, the new MCUs feature 1.75 KB of self read-write programme memory, 64B of RAM, an on-chip 10-bit ADC, Capture-Compare PWM modules, high-performance comparators down to 40 ns response, and two 50 mA-capable I/Os, enabling engineers to increase overall system capabilities and reduce costs.

Engineers are constantly challenged to increase system performance and efficiency while reducing system costs, especially for newer LED-lighting and battery-charging applications.  With their numerous on-chip, general-purpose and specialised peripherals, including the integrated COG, high-performance comparators and 50mA outputs for direct FET drive, the PIC12F(HV)725 MCUs meet these needs.  The high-voltage variant, PIC12HV752, incorporates a shunt regulator that allows operation from 2V to an unspecified user-defined maximum voltage level, with less than 2mA operation current.

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