Call it the dynamic duo: the Microchip PIC16F1571 and PIC16F1572 microcontrollers, delivering three full-featured 16-bit PWMs with independent timers for applications where high resolution is needed, such as LED lighting, stepper motors, battery charging and other general-purpose applications.
The two Microchip MCUs are distinct in the company’s 157x family as the only ones offering 6 I/O pins; 2 x 8-bit and 4 x 16-bit timers, and three 16-bit PWMs, among other features.
A difference between the two is that the PIC16F1571 offers 1.75Kb flash memory and 128 bytes of SRAM, while the PIC16F1572 features 3.5Kb of flash memory with 256 bytes of SRAM.
Worth pointing out is the fact that designers no longer have to find devices with higher pin counts and more memory to support their design requirements. Both 1571 and 1572 MCUs from Microchip offer pin counts of just 8.
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By Christopher Hosford
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