Technical data sheet for the Microchip PIC18F2455/2550/4455/4550 high‑performance USB microcontroller series.
The document provides detailed specifications, pin‑outs, electrical characteristics and functional descriptions for the PIC18F2455, PIC18F2550, PIC18F4455 and PIC18F4550 microcontrollers. It covers device overview, oscillator options, power‑management modes, USB capabilities, I/O ports, timer modules, ADC, comparator and package information.
The data sheet also includes development support information, DC/AC characteristic graphs, and contact details for Microchip technical support worldwide. This manual is written in Chinese.
| Flash program memory (PIC18F2455) | 24 KB |
|---|---|
| Flash program memory (PIC18F2550) | 32 KB |
| Operating voltage (standard devices) | 4.2 V – 5.5 V |
| Idle mode current consumption | 5.8 µA (typical) |
| Sleep mode current consumption | 0.1 µA (typical) |
| Maximum USB endpoints | 32 (dual 16) |
The device draws about 5.8 µA in idle mode (typical).
It supports up to 32 USB endpoints (dual 16).
The PIC18F2550 provides 32 KB of flash program memory.