PIC18F2455/2550/4455/4550 28/40/44-Pin High-Performance, Enhanced Flash USB Microcontrollers with nanoWatt Technology Universal Serial Bus Features: Peripheral Highlights: • 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) • • • • • 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 current 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 • • • Special Microcontroller Features: Flexible Oscillator Structure: Program Memory SPI Master I2C Comparators • C compiler optimized architecture with optional extended instruction set • 100,000 erase/write cycle Enhanced Flash program memory typical • 1,000,000 erase/write cycle data EEPROM memory typical • Flash/data EEPROM retention: > 40 years • Self-programmable under software control • Priority levels for interrupts • 8 x 8 Single Cycle Hardware Multiplier • Extended Watchdog Timer (WDT): - Programmable period from 41 ms to 131s • Programmable Code Protection • Single-supply 5V In-Circuit Serial Programming™ (ICSP™) via two pins • In-Circuit Debug (ICD) via two pins • Wide operating voltage range (2.0V to 5.5V) • Five Crystal modes, including High-Precision PLL for USB • Two External RC modes, up to 4 MHz • Two External Clock modes, up to 40 MHz • Internal oscillator block: - 8 user selectable frequencies, from 31 kHz to 8 MHz - User tunable to compensate for frequency drift • Secondary oscillator using Timer1 @ 32 kHz • Fail-Safe Clock Monitor - Allows for safe shutdown if any clock stops EAUSART • • • • • • • • High current sink/source: 25 mA/25 mA Three external interrupts Four Timer modules (Timer0 to Timer3) Up to 2 Capture/Compare/PWM (CCP) modules: - Capture is 16-bit, max. resolution 6.25 ns (TCY/16) - Compare is 16-bit, max. resolution 100 ns (TCY) - PWM output: PWM resolution is 1 to 10-bit Enhanced Capture/Compare/PWM (ECCP) module: - Multiple output modes - Selectable polarity - Programmable dead-time - Auto-Shutdown and Auto-Restart Addressable USART module: - LIN bus support Master Synchronous Serial Port (MSSP) module supporting 3-wire SPI™ (all 4 modes) and I2C™ Master and Slave modes 10-bit, up to 13-channels Analog-to-Digital Converter module (A/D) with programmable acquisition time Dual analog comparators with input multiplexing Timers 8/16-bit No Y Y 1 2 1/3 No Y Y 1 2 1/3 1/1 Yes Y Y 1 2 1/3 1/1 Yes Y Y 1 2 1/3 Data Memory # SingleSRAM EEPROM Word (bytes) (bytes) Instructions MSSP I/O 10-bit A/D (ch) CCP/ ECCP (PWM) SPP Device FLASH (bytes) PIC18F2455 24K 12288 2048 256 24 10 2/0 PIC18F2550 32K 16384 2048 256 24 10 2/0 PIC18F4455 24K 12288 2048 256 35 13 PIC18F4550 32K 16384 2048 256 35 13 2003 Microchip Technology Inc. Advance Information DS39617A-page 1 PIC18F2455/2550/4455/4550 Pin Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PIC18F2550 MCLR/VPP/RE3 RA0/AN0 RA1/AN1 RA2/AN2/VREF-/CVREF RA3/AN3/VREF+ RA4/T0CKI/C1OUT RA5/AN4/SS/LVDIN/C2OUT VSS OSC1/CLKI/RA7 OSC2/CLKO/RA6 RC0/T1OSO/T13CKI RC1/T1OSI/CCP2*/UOE RC2/CCP1 VUSB PIC18F2455 28-Pin SDIP, SOIC 28 27 26 25 24 23 22 21 20 19 18 17 16 15 RB7/KBI3/PGD RB6/KBI2/PGC RB5/KBI1/PGM RB4/AN11/KBI0/RCV RB3/AN9/CCP2*/VPO RB2/AN8/INT2/VMO RB1/AN10/INT1/SCK/SCL RB0/AN12/INT0/SDI/SDA VDD VSS RC7/RX/DT/SDO RC6/TX/CK D+/VP D-/VM Note: * 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 PIC18F4550 MCLR/VPP/RE3 RA0/AN0 RA1/AN1 RA2/AN2/VREF-/CVREF RA3/AN3/VREF+ RA4/T0CKI/C1OUT RA5/AN4/SS/LVDIN/C2OUT RE0/CK1SPP/AN5 RE1/CK2SPP/AN6 RE2/OESPP/AN7 AVDD AVSS OSC1/CLKI/RA7 OSC2/CLKO/RA6 RC0/T1OSO/T13CKI RC1/T1OSI/CCP2*/UOE RC2/CCP1/P1A VUSB RD0/SPP0 RD1/SPP1 PIC18F4455 40-Pin PDIP 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 RB7/KBI3/PGD RB6/KBI2/PGC RB5/KBI1/PGM RB4/AN11/KBI0/CSSPP RB3/AN9/CCP2*/VPO RB2/AN8/INT2/VMO RB1/AN10/INT1/SCK/SCL RB0/AN12/INT0/SDI/SDA VDD VSS RD7/SPP7/P1D RD6/SPP6/P1C RD5/SPP5/P1B RD4/SPP4 RC7/RX/DT/SDO RC6/TX/CK D+/VP D-/VM RD3/SPP3 RD2/SPP2 Pinouts are subject to change. Assignment of this feature is dependent on device configuration. DS39617A-page 2 Advance Information 2003 Microchip Technology Inc. PIC18F2455/2550/4455/4550 RC6/TX/CK D+/VP D-/VM RD3/SSP3 RD2/SSP2 RD1/SSP1 RD0/SSP0 VUSB RC2/CCP1/P1A RC1/T1OSI/CCP2*/UOE RC0/T1OSO/T13CKI Pin Diagrams (Continued) 44 43 42 41 40 39 38 37 36 35 34 44-Pin QFN PIC18F4455 PIC18F4550 OSC2/CLKO/RA6 OSC1/CLKI/RA7 VSS AVSS VDD AVDD RE2/OESPP/AN7 RE1/CK2SPP/AN6 RE0/CK1SPP/AN5 RA5/AN4/SS/LVDIN/C2OUT RA4/T0CKI/C1OUT 33 32 31 30 29 28 27 26 25 24 23 44 43 42 41 40 39 38 37 36 35 34 1 2 3 4 5 6 7 8 9 10 11 PIC18F4455 PIC18F4550 33 32 31 30 29 28 27 26 25 24 23 NC RC0/T1OSO/T13CKI OSC2/CLKO/RA6 OSC1/CLKI/RA7 VSS VDD RE2/OESPP/AN7 RE1/CK2SPP/AN6 RE0/CK1SPP/AN5 RA5/AN4/SS/LVDIN/C2OUT RA4/T0CKI/C1OUT NC NC RB4/AN11/KBI0/CSSPP RB5/KBI1/PGM RB6/KBI2/PGC RB7/KBI3/PGD MCLR/VPP/RE3 RA0/AN0 RA1/AN1 RA2/AN2/VREF-/CVREF RA3/AN3/VREF+ RC7/RX/DT/SDO RD4/SPP4 RD5/SPP5/P1B RD6/SPP6/P1C RD7/SPP7/P1D VSS VDD RB0/AN12/INT0/SDI/SDA RB1/AN10/INT1/SCK/SCL RB2/AN8/INT2/VMO RB3/AN9/CCP2*/VPO 12 13 14 15 16 17 18 19 20 21 22 44-Pin TQFP RC6/TX/CK D+/VP D-/VM RD3/SPP3 RD2/SPP2 RD1/SPP1 RD0/SPP0 VUSB RC2/CCP1/P1A RC1/T1OSI/CCP2*/UOE NC 12 13 14 15 16 17 18 19 20 21 22 1 2 3 4 5 6 7 8 9 10 11 RB3/AN9/CCP2*/VPO NC RB4/AN11/KBI0/CSSPP RB5/KBI1/PGM RB6/KBI2/PGC RB7/KBI3/PGD MCLR/VPP/RE3 RA0/AN0 RA1/AN1 RA2/AN2/VREF-/CVREF RA3/AN3/VREF+ RC7/RX/DT/SDO RD4/CCP2*/P2A RD5/SSP5/P1B RD6/SSP6/P1C RD7/SSP7/P1D VSS AVDD VDD RB0/AN12/INT0/SDI RB1/AN10/INT1/SCK/SCL RB2/AN8/INT2/VMO Note: * Pinouts are subject to change. Assignment of this feature is dependent on device configuration. 2003 Microchip Technology Inc. Advance Information DS39617A-page 3 PIC18F2455/2550/4455/4550 NOTES: DS39617A-page 4 Advance Information 2003 Microchip Technology Inc. Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. • Microchip is willing to work with the customer who is concerned about the integrity of their code. • Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “unbreakable.” Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip’s products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, dsPIC, KEELOQ, MPLAB, PIC, PICmicro, PICSTART, PRO MATE and PowerSmart are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FilterLab, microID, MXDEV, MXLAB, PICMASTER, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Accuron, Application Maestro, dsPICDEM, dsPICDEM.net, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, InCircuit Serial Programming, ICSP, ICEPIC, microPort, Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, PICC, PICkit, PICDEM, PICDEM.net, PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, rfPIC, Select Mode, SmartSensor, SmartShunt, SmartTel and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. Serialized Quick Turn Programming (SQTP) is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2003, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona in July 1999 and Mountain View, California in March 2002. The Company’s quality system processes and procedures are QS-9000 compliant for its PICmicro® 8-bit MCUs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, non-volatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001 certified. DS39617A-page 5 Advance Information 2003 Microchip Technology Inc. WORLDWIDE SALES AND SERVICE AMERICAS ASIA/PACIFIC Korea Corporate Office Australia 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Technical Support: 480-792-7627 Web Address: http://www.microchip.com Suite 22, 41 Rawson Street Epping 2121, NSW Australia Tel: 61-2-9868-6733 Fax: 61-2-9868-6755 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5932 or 82-2-558-5934 Atlanta Unit 915 Bei Hai Wan Tai Bldg. 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Qingdao 266071, China Tel: 86-532-5027355 Fax: 86-532-5027205 Toronto India 6285 Northam Drive, Suite 108 Mississauga, Ontario L4V 1X5, Canada Tel: 905-673-0699 Fax: 905-673-6509 Divyasree Chambers 1 Floor, Wing A (A3/A4) No. 11, O’Shaugnessey Road Bangalore, 560 025, India Tel: 91-80-2290061 Fax: 91-80-2290062 Japan Benex S-1 6F 3-18-20, Shinyokohama Kohoku-Ku, Yokohama-shi Kanagawa, 222-0033, Japan Tel: 81-45-471- 6166 Fax: 81-45-471-6122 DS39617A-page 6 Advance Information Singapore 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan Kaohsiung Branch 30F - 1 No. 8 Min Chuan 2nd Road Kaohsiung 806, Taiwan Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan Taiwan Branch 11F-3, No. 207 Tung Hua North Road Taipei, 105, Taiwan Tel: 886-2-2717-7175 Fax: 886-2-2545-0139 EUROPE Austria Durisolstrasse 2 A-4600 Wels Austria Tel: 43-7242-2244-399 Fax: 43-7242-2244-393 Denmark Regus Business Centre Lautrup hoj 1-3 Ballerup DK-2750 Denmark Tel: 45-4420-9895 Fax: 45-4420-9910 France Parc d’Activite du Moulin de Massy 43 Rue du Saule Trapu Batiment A - ler Etage 91300 Massy, France Tel: 33-1-69-53-63-20 Fax: 33-1-69-30-90-79 Germany Steinheilstrasse 10 D-85737 Ismaning, Germany Tel: 49-89-627-144-0 Fax: 49-89-627-144-44 Italy Via Quasimodo, 12 20025 Legnano (MI) Milan, Italy Tel: 39-0331-742611 Fax: 39-0331-466781 Netherlands P. A. De Biesbosch 14 NL-5152 SC Drunen, Netherlands Tel: 31-416-690399 Fax: 31-416-690340 United Kingdom 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44-118-921-5869 Fax: 44-118-921-5820 07/28/03 2003 Microchip Technology Inc.