This family offers the advantages of all PIC18 microcontrollers – namely, high computational performance at an economical price – with the addition of high-endurance, Enhanced Flash program memory.On top of these features, the PIC18F2420/2520/4420/4520 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance, power sensitive applications.

CPU:
Up to 10 MIPS performance
C compiler optimized RISC architecture
8 x 8 Single Cycle Hardware Multiply
System:
Internal oscillator support 31 kHz to 8 MHz
Fail-Safe Clock Monitor – allows safe shutdown if clock fails
Watchdog Timer with separate RC oscillator
Wide operating Voltage range, 2.0V to 5.5V
nanoWatt Power Managed Modes:
Run, Idle and Sleep modes
Idle mode currents down to 5.8uA typical
Sleep mode currents down to 0.1uA typical
Analog Features:
10-bit ADC, 10 channels, 100K samples per second
Programmable Low Voltage Detection