Data sheet for Microchip PIC18F2525/2620/4525/4620 microcontrollers covering features, specifications and package options.
This document provides a comprehensive description of the PIC18F2525, PIC18F2620, PIC18F4525 and PIC18F4620 enhanced flash microcontrollers. It includes details on device architecture, oscillator options, power‑management modes, memory organization, peripheral modules and electrical characteristics.
The data sheet also lists package options, pin‑out diagrams, operating voltage ranges, maximum clock frequency, I/O port counts and other key specifications needed for hardware design and firmware development. This manual is written in Chinese.
| Flash program memory (PIC18F2525) | 48 KB |
|---|---|
| Flash program memory (PIC18F2620) | 64 KB |
| Operating voltage (standard devices) | 4.2 V – 5.5 V |
| Operating voltage (low‑voltage devices) | 2.0 V – 5.5 V |
| Maximum clock frequency | 40 MHz |
| Package types | 28‑pin, 40‑pin, 44‑pin |
| I/O ports (40/44‑pin package) | 5 bidirectional ports |
| A/D channels (40/44‑pin package) | 13 channels |
The standard devices operate from 4.2 V to 5.5 V.
The 40‑pin package provides five bidirectional I/O ports.
They support a maximum clock frequency of up to 40 MHz.