18F4550 Description
PIC18F2455/2550/4455/4550 28/40/44-Pin High-Performance, Enhanced Flash USB Microcontrollers with nanoWatt Technology Universal Serial Bus.
18F4550 Key Features
- USB V2.0 pliant SIE
- Low-speed (1.5 Mb/s) and full-speed (12 Mb/s)
- Supports control, interrupt, isochronous and bulk transfers
- Supports up to 32 endpoints (16 bidirectional)
- 1-Kbyte dual access RAM for USB
- On-board USB transceiver with on-chip voltage regulator
- Interface for off-chip USB transceiver
- Streaming Parallel Port (SPP) for USB streaming transfers (40/44-pin devices only)
- High current sink/source: 25 mA/25 mA Three external interrupts Four Timer modules (Timer0 to Timer3) Up to 2 Capture/pa
- Capture is 16-bit, max. resolution 6.25 ns (TCY/16)