Microchip

PIC18F2455 - Flash 28-pin High Performance Microcontroller with USB

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Features Low-Power Features - 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, 32 kHz, 2V - Watchdog Timer: 2.1 µA typical, 32 kHz, 2V - Two-Speed Oscillator Start-up Peripheral Features - High current sink/source 25 mA/25 mA - Three external interrupt - Enhanced Capture/ Compare/ PWM (ECCP) module - Compatiable 10-bit, up to 13-channels Analog-to-Digital Converter module (A/D) - Capture 16-bit, max. resolution 6.25 ns - Compare 16-bit, max. resolution 100 ns - Dual analog comparators Special Microcontroller Features - Priority levels for interrupts - 8 x 8 Single-Cycle Hardware Multiplier - Priority levels for interrupts - 100,000 erase/write cycle Enhanced FLASH program memory typical - 1,000,000 erase/write cycle Data EEPROM memory - Wide operating volatge range: 2.0V to 5.5V - Single supply 5V In-circuit Serial Programming via two pins - In-Circuit Debug (ICD) via two pins Oscillators - Foue Crystal modes - Two external Clock modes, up to 48 MHz - 8 user-selectable frequencies - Secondary oscillator using Timer1 @ 32 kHz - Fail-Safe Clock Monitor

Pin Description Pin Number Description 1 MCLR/VPP/RE3 2 RA0/AN0 3 RA1/AN1 4 RA2/AN2/VREF-/CVREF 5 RA3/AN3/VREF+ 6 RA4/T0CKI/C1OUT/RCV 7 RA5/AN4/SS/LVDIN/C2OUT 8 VSS 9 OSC1/CLKI 10 OSC2/CLKO/RA6 11 RC0/T1OSO/T13CKI 12 RC1/T1OSI/CCP2/UOE 13 RC2/CCP1 14 VUSB 15 RC4/D-/VM 16 RC5/D+/VP 17 RC6/TX/CK 18 RC7/RX/DT/SDO 19 VSS 20 VDD 21 RB0/AN12/INT0/FLT0/SDI/SDA 22 RB1/AN10/INT1/SCK/SCL 23 RB2/AN8/INT2/VMO 24 RB3/AN9/CCP2/VPO 25 RB4/AN11/KBI0 26 RB5/KBI1/PGM 27 RB6/KBI2/PGC 28 RB7/KBI3/PGD

Pin Layout Dimensional Drawing

Technical Data Data Sheet Microchip - Data Sheet for PIC18F2455/2550/4455/4550 Application Notes Microchip - PIC Application Notes