PIC microcontrollers have computing functions and memory like a CPU and are controlled by software. However, the processing power is average and the memory capacity is also limited, depending on the type of PIC. But their highest operating frequency is about 20MHz, and the memory capacity is about 1K-4K bytes for writing programs.
1: MCLR is pulled up to 10k, a 1k resistor is connected in series, and a 0.1uf capacitor is connected to ground.
2: MCLR is pulled up to 1k, a 200 resistor is connected in series, and a 0.1uf capacitor is connected to ground.
3: Pull MCLR up with a 1k, 0.1uf capacitor to ground.
4: MCLR is pulled up to 4.7k, a 1k resistor is connected in series, and a 0.1uf capacitor is connected to ground.
5: Disable MCLR, pull MCLR foot to ground with a 1k resistor, and connect a 0.1uf capacitor to the resistor.
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Professor at Beihang University, dedicated to promoting microcontrollers and embedded systems for over 20 years.
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