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
- Worldwide Sales and Service

Board Technical Information
2010 Microchip Technology Inc. DS51662C-page 35
TABLE A-10: PIC18F8490 PIM AND ICE PORT/PIN COMPARISON
PIC18F8490
PIM Pin No.
PIC18F8490
Port
PIC18F8490
Pin
ICE Pin
ICE
Port
ICE
Pin
No.
PIC18F8490
PIM Pin No.
PIC18F8490
Port
PIC18F8490
Pin
ICE Pin
ICE
Port
ICE
Pin
No.
1 RH2 SEG45 SEG45 RH2 12 41 RJ6 SEG37 SEG37 RJ6 54
2 RH3 SEG44 SEG44 RH3 13 42 RJ7 SEG36 SEG36 RJ7 55
3 LCDBIAS2 LCDBIAS2 BIAS2 RE1 14 43 RC2 SEG13 SEG13 RC2 56
4 LCDBIAS1 LCDBIAS1 BIAS1 RE0 15 44 RC3 RC3 RC3 RC3 57
5 RG0 SEG30 SEG30 RG0 16 45 RC4 RC4 RC4 RC4 58
6 RG1 SEG29 SEG29 RG1 17 46 RC5 SEG12 SEG12 RC5 59
7 RG2 SEG28 SEG28 RG2 18 47 RB7 RB7 RB7 RB7 60
8 RG3 SEG27 SEG27 RG3 19 48 V
DD VDD ICEVDD VDD 61
9RG5MCLR
ICEMCLR RG5 20 49 RA7 OSC1 OSC1 RA7 62
10 RG4 SEG26 SEG26 RG4 21 50 RA6 OSC2 OSC2 RA6 63
11 V
SS VSS VSS VSS 23 51 VSS VSS VSS VSS 65
12 V
DD VDD ICEVDD VDD 24 52 RB6 RB6 RB6 RB6 66
13 RF7 SEG25 SEG25 RF7 25 53 RB5 RB5 RB5 RB5 67
14 RF6 SEG24 SEG24 RF6 26 54 RB4 SEG11 SEG11 RB4 68
15 RF5 SEG23 SEG23 RF5 27 55 RB3 SEG10 SEG10 RB3 69
16 RF4 SEG22 SEG22 RF4 28 56 RB2 SEG9 SEG9 RB2 70
17 RF3 SEG21 SEG21 RF3 29 57 RB1 SEG8 SEG8 RB1 71
18 RF2 SEG20 SEG20 RF2 30 58 RB0 RB0 RB0 RB0 72
19 RH7 SEG43 SEG43 RH7 31 59 RJ3 SEG35 SEG35 RJ3 73
20 RH6 SEG42 SEG42 RH6 32 60 RJ2 SEG34 SEG34 RJ2 74
21 RH5 SEG41 SEG41 RH5 33 61 RJ1 SEG33 SEG33 RJ1 75
22 RH4 SEG40 SEG40 RH4 34 62 RJ0 SEG32 SEG32 RJ0 76
23 RF1 SEG19 SEG19 RF1 35 63 RD7 SEG7 SEG7 RD7 77
24 RF0 SEG18 SEG18 RF0 36 64 RD6 SEG6 SEG6 RD6 78
25 AV
DD AVDD ICEVDD AVDD 37 65 RD5 SEG5 SEG5 RD5 79
26 AV
SS AVSS AVSS AVSS 38 66 RD4 SEG4 SEG4 RD4 80
27 RA3 SEG17 SEG17 RA3 39 67 RD3 SEG3 SEG3 RD3 81
28 RA2 SEG16 SEG16 RA2 40 68 RD2 SEG2 SEG2 RD2 82
29 RA1 AN1 AN1 RA1 41 69 RD1 SEG1 SEG1 RD1 83
30 RA0 AN0 AN0 RA0 42 70 V
SS VSS VSS VSS 84
31 V
SS VSS VSS VSS 44 71 VDD VDD VDD VDD 2
32 V
DD VDD ICEVDD VDD 45 72 RD0 SEG0 SEG0 RD0 3
33 RA5 SEG15 SEG15 RA5 46 73 RE7 SEG31 SEG31 RE7 4
34 RA4 SEG14 SEG14 RA4 47 74 RE6 COM3 COM3 RE6 5
35 RC1 TIOSC0 TIOSC1 RC1 48 75 RE5 COM2 COM2 RE5 6
36 RC0 T1OSC1 T1OSC0 RC0 49 76 RE4 COM1 COM1 RE4 7
37 RC6 TX/CK TX/CK RC6 50 77 COM0 COM0 COM0 RE3 8
38 RC7 RX/DT RX/DT RC7 51 78 LCDBIAS3 LCDBIAS3 BIAS3 RE2 9
39 RJ4 SEG39 SEG39 RJ4 52 79 RH0 SEG47 SEG47 RH0 10
40 RJ5 SEG38 SEG38 RJ5 53 80 RH1 SEG46 SEG46 RH1 11