This is a data sheet of DS39760A PIC18F2450/4450, a 28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology
This datasheet describes the PIC18F2450 and PIC18F4450 28‑, 40‑ and 44‑pin microcontrollers, highlighting their high‑performance 12 MIPS core, enhanced flash memory, and integrated USB 2.0 module. It outlines power‑managed modes, oscillator options, and special CPU features such as an 8 × 8 hardware multiplier and extended instruction set.
The document includes detailed pin‑out diagrams, memory organization, peripheral modules (timers, CCP, EUSART, ADC, HLVD), USB specifications, electrical characteristics, timing diagrams, and packaging information. Appendices cover revision history, device differences, and migration guidance.
| USB bus voltage | 3.0 V – 3.6 V |
|---|---|
| Idle mode current consumption | 5.8 µA typical |
| Sleep mode current consumption | 0.1 µA typical |
| Number of USB endpoints | Up to 32 endpoints (16 bidirectional) |
| ADC channels | 10 (28‑pin) / 13 (40/44‑pin) |
It supports low‑speed (1.5 Mb/s) and full‑speed (12 Mb/s) USB transfers.
Typical sleep‑mode current is as low as 0.1 µA.