PIC18F2550-I/SP 28/40/44-Pin High-Performance Enhanced Flash USB Microcontrollerswith NanoWatt Technology

Universal Serial Bus Features:

• USB V2.0 Compliant
• Low Speed (1.5 Mb/s) and Full Speed (12 Mb/s)
• Supports Control, Interrupt, Isochronous and BulkTransfers
• Supports up to 32 Endpoints (16 bidirectional)
• 1 Kbyte Dual Access RAM for USB
• On-Chip USB Transceiver with On-Chip VoltageRegulator
• Interface for Off-Chip USB Transceiver
• Streaming Parallel Port (SPP) for USB streamingtransfers (40/44-pin devices only)

Power-Managed Modes:

• Run: CPU on, Peripherals on
• Idle: CPU off, Peripherals on
• Sleep: CPU off, Peripherals off
• Idle mode Currents Down to 5.8 μA Typical
• Sleep mode Currents Down to 0.1 μA Typical
• Timer1 Oscillator: 1.1 μA Typical, 32 kHz, 2V
• Watchdog Timer: 2.1 μA Typical
• Two-Speed Oscillator Start-up

Flexible Oscillator Structure:

• Four Crystal modes, including High-Precision PLLfor USB
• Two External Clock modes, Up to 48 MHz
• Internal Oscillator Block:
  • 8 user-selectable frequencies, from 31 kHzto 8 MHz
  • User-tunable to compensate for frequency drift
• Secondary Oscillator using Timer1 @ 32 kHz
• Dual Oscillator Options allow Microcontroller andUSB module to Run at Different Clock Speeds
• Fail-Safe Clock Monitor:
  • Allows for safe shutdown if any clock stops

Packaging & Shipping

Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their requirements.

Frequently Asked Questions