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PIC18F4550ESOSQTP Datasheet(PDF) 421 Page - Microchip Technology |
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PIC18F4550ESOSQTP Datasheet(HTML) 421 Page - Microchip Technology |
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421 / 438 page ![]() © 2009 Microchip Technology Inc. DS39632E-page 419 PIC18F2455/2550/4455/4550 APPENDIX A: REVISION HISTORY Revision A (May 2004) Original data sheet for PIC18F2455/2550/4455/4550 devices. Revision B (October 2004) This revision includes updates to the Electrical Specifi- cations in Section 28.0 “Electrical Characteristics” and includes minor corrections to the data sheet text. Revision C (February 2006) This revision includes updates to Section 19.0 “Master Synchronous Serial Port (MSSP) Module”, Section 20.0 “Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART)” and the Electrical Specifications in Section 28.0 “Electrical Characteristics” and includes minor corrections to the data sheet text. Revision D (January 2007) This revision includes updates to the packaging diagrams. Revision E (August 2008) This revision includes minor corrections to the data sheet text. In Section 30.2 “Package Details”, added land pattern drawings for both 44-pin packages. APPENDIX B: DEVICE DIFFERENCES The differences between the devices listed in this data sheet are shown in Table B-1. TABLE B-1: DEVICE DIFFERENCES Features PIC18F2455 PIC18F2550 PIC18F4455 PIC18F4550 Program Memory (Bytes) 24576 32768 24576 32768 Program Memory (Instructions) 12288 16384 12288 16384 Interrupt Sources 19 19 20 20 I/O Ports Ports A, B, C, (E) Ports A, B, C, (E) Ports A, B, C, D, E Ports A, B, C, D, E Capture/Compare/PWM Modules 2 2 1 1 Enhanced Capture/Compare/ PWM Modules 00 1 1 Parallel Communications (SPP) No No Yes Yes 10-Bit Analog-to-Digital Module 10 Input Channels 10 Input Channels 13 Input Channels 13 Input Channels Packages 28-Pin PDIP 28-Pin SOIC 28-Pin PDIP 28-Pin SOIC 40-Pin PDIP 44-Pin TQFP 44-Pin QFN 40-Pin PDIP 44-Pin TQFP 44-Pin QFN |
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