Key facts
- Brand
- MICROCHIP
- Model
- PIC18F2455/2550/4455/4550
- Category
- Other device
- Industry
- Electronics
- Documents
- 5
- Languages
- ZH · EN
- Last added
- 2026-10-01
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Microchip PIC18F2455/2550/4455/4550 Data Sheet
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.
Microchip PIC18F2455/2550/4455/4550 specifications
| 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) |
All Microchip PIC18F2455/2550/4455/4550 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- Microchip PIC18F2455/2550/4455/4550 Data Sheet 430 p
- Microchip PIC18F2455/2550/4455/4550 Data Sheet 426 p
- Microchip PIC18F2455/2550/4455/4550 Datasheet 430 p
- MICROCHIP PIC18F2455/2550/4455/4550 Data Sheet 28/40/44-Pin High Performance Enhanced Flash USB Microcontrollers with nanoWatt Technology handbook 430 p
- MICROCHIP PIC18F2455/2550/4455/4550 Data Sheet1 426 p
Questions answered in these manuals
What is the typical current consumption in idle mode?
The device draws about 5.8 µA in idle mode (typical).
How many USB endpoints does the PIC18F2455/2550/4455/4550 support?
It supports up to 32 USB endpoints (dual 16).
What USB speeds are supported by the PIC18F2455/2550 devices?
They support Low Speed (1.5 Mb/s) and Full Speed (12 Mb/s) USB operation.
How many USB endpoints can the device handle?
The microcontroller can handle up to 32 USB endpoints, with 16 bidirectional pairs.
What USB speeds does the PIC18F2455/2550/4455/4550 support?
It supports Low Speed (1.5 Mb/s) and Full Speed (12 Mb/s) USB 2.0 operation.
How many USB endpoints are available on these devices?
The microcontrollers can handle up to 32 USB endpoints, which correspond to 16 bidirectional endpoints.