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PIC18F2455/2550/4455/4550
28/40/44-Pin High-Performance, Enhanced Flash USB Microcontrollers with nanoWatt Technology
Universal Serial Bus Features:
• USB V2.
0 Compliant 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)
Peripheral Highlights:
• • • • High current sink/source: 25 mA/25 mA Three external interrupts Four Timer modules (Timer0 to Ti...