User manual
Table Of Contents
- Chapter 1. Introduction
- Chapter 2. Getting Started
- Chapter 3. Using the Demo Software
- Appendix A. Board Technical Information
- Figure A-1: PICDEM™ LCD 2 Default Jumper Location
- A.1 Processors
- A.2 LCD Display
- Figure A-2: PICDEM™ LCD 2 Display
- Table A-2: LCD Glass Specifications
- Figure A-3: Display Definitions
- Figure A-4: Digit Description
- Table A-3: LCD SEGx and COMx
- A.2.1 Device-Specific LCD Segment Configuration
- Table A-4: PIC18F85J90 PIM and ICE Pin/Port Comparison
- Table A-5: PIC18F85J90 LCD connections Comparison
- Figure A-5: Segment Configuration for PIC18F85J90 Devices
- Table A-6: PIC18F85j90 pORT AND pIN cOMPARISON
- Table A-7: PIC18F87J90 PIM and ICE Pin/Port Comparison
- Table A-8: PIC18F87J90 LCD connections Comparison
- Figure A-6: Segment Configuration for PIC18F87J90 Devices
- Table A-9: PIC18F87j90 pORT AND pIN cOMPARISON
- Table A-10: PIC18F8490 Pim and ICE Port/Pin Comparison
- Table A-11: pic18f8490 LCD cONNECTIONS cOMPARISON
- Figure A-7: Segment Configuration for PIC18F8490 Devices
- Table A-12: pic18f8490 pIN AND pORT cOMPARISON
- Table A-13: PIC16F946 PIM and ICE PIn/Port Comparison
- Table A-14: PIC16F946 LCD Connections cOMPARISON
- Figure A-8: Segment Configuration for PIC16F946 Devices
- Table A-15: pic16f946 pORT AND PIN cOMPARISON
- Table A-16: PIC16F/LF1946/7 PIM and ICE PIn/Port Comparison
- Table A-17: PIC16F/LF1946/7 LCD Connections cOMPARISON
- Figure A-9: Segment Configuration for PIC16F/LF1946/7 Devices
- Table A-18: pic16f/LF1946/7 pORT AND PIN cOMPARISON
- Table A-19: PIC16F917 PIM and ICE Pin/Port Comparison
- Table A-20: pic16f917 LCD cONNECTIONS cOMPARISON
- Figure A-10: Segment Configuration for PIC16F914/917 Devices
- Table A-21: pic16f917 pIN AND pORT cOMPARISON
- A.3 LED Display
- A.4 Charge Pump and VLCAP
- A.5 Resistive Ladder Versus Charge Pump
- A.6 Oscillator Options
- A.7 RS-232 Serial Port
- A.8 Real-Time Clock
- A.9 Serial EEPROM
- A.10 Analog Input
- A.11 Temperature Sensor
- A.12 Switches
- A.13 ICD Connector
- A.14 Power Supply
- A.15 Board Layout and Schematics
- A.16 PIM Layout and Schematics
- Figure A-16: PIC18F65J90 and PIC18F85J90 PIM Layout
- Figure A-17: PIC16F914/917 PIM Layout
- Figure A-18: PIC16F946 PIM Layout
- Figure A-19: PIC16F/LF1946/7 PIM Layout
- Figure A-20: PIC18F6490/8490 PIM Layout
- Figure A-21: PIC18F87j90 PIM Layout
- Figure A-22: PICDEM™ LCD 2 PIC16F914/917 PIM Schematic
- Figure A-23: PICDEM LCD 2 PIC16F/LF1946/7 64-Pin PIM Schematic
- Figure A-24: PICDEM™ LCD 2 PIC16F946 PIM Schematic
- Figure A-25: PICDEM™ LCD 2 PIC18F6490 64-pin PIM Schematic
- Figure A-26: PICDEM™ LCD 2 PIC18F8490 80-pin PIM Schematic
- Figure A-27: PICDEM™ LCD 2 PIC18F6XJ90 64-pin PIM Schematic
- Figure A-28: PICDEM™ LCD 2 PIC18F87J90 80-pin PIM Schematic
- Figure A-29: PICDEM™ LCD 2 PIC18F85J90 80-pin PIM Schematic
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PICDEM™ LCD 2 Demonstration Kit User’s Guide
DS51662C-page 22 2010 Microchip Technology Inc.
FIGURE 3-5: DEMO PROGRAM FLOWCHART
Increment Second Register
Clear Second
Is it 60?
Register,
Increment Minute
ISR
Register
Is it 60?
Clear Minute
Register,
Increment Hour
Register
Is it 24?
Clear Hour Register
Return
Yes
No
Yes
No
Yes
No