PICDEM™ LCD 2
Demonstration Kit
User’s Guide
2010 Microchip Technology Inc.
DS51662C
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
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Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
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Trademarks
The Microchip name and logo, the Microchip logo, dsPIC,
KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART,
PIC32 logo, rfPIC and UNI/O are registered trademarks of
Microchip Technology Incorporated in the U.S.A. and other
countries.
FilterLab, Hampshire, HI-TECH C, Linear Active Thermistor,
MXDEV, MXLAB, SEEVAL and The Embedded Control
Solutions Company are registered trademarks of Microchip
Technology Incorporated in the U.S.A.
Analog-for-the-Digital Age, Application Maestro, CodeGuard,
dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN,
ECONOMONITOR, FanSense, HI-TIDE, In-Circuit Serial
Programming, ICSP, Mindi, MiWi, MPASM, MPLAB Certified
logo, MPLIB, MPLINK, mTouch, Omniscient Code
Generation, PICC, PICC-18, PICDEM, PICDEM.net, PICkit,
PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance,
TSHARC, UniWinDriver, WiperLock and ZENA are
trademarks of Microchip Technology Incorporated in the
U.S.A. and other countries.
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.
© 2010, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
ISBN: 978-1-60932-686-9
Microchip received ISO/TS-16949:2002 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
DS51662C-page 2
2010 Microchip Technology Inc.
PICDEM™ LCD 2 DEMONSTRATION
KIT USER’S GUIDE
Table of Contents
Preface ........................................................................................................................... 5
Chapter 1. Introduction
1.1 Welcome ...................................................................................................... 11
1.2 PICDEM LCD 2 Demonstration Board Hardware Features ......................... 12
1.3 Sample Devices ........................................................................................... 13
1.4 Sample Programs ......................................................................................... 13
Chapter 2. Getting Started
2.1 PICDEM LCD 2 as a Stand-Alone Board – Preprogrammed Device ........... 15
2.2 PICDEM LCD 2 Used with an In-Circuit Emulator or In-Circuit Debugger ... 16
Chapter 3. Using the Demo Software
3.1 Demo Firmware Operation ........................................................................... 17
Appendix A. Board Technical Information
A.1 Processors ................................................................................................... 25
A.2 LCD Display ................................................................................................. 26
A.3 LED Display ................................................................................................. 46
A.4 Charge Pump and VLCAP ........................................................................... 46
A.5 Resistive Ladder Versus Charge Pump ....................................................... 46
A.6 Oscillator Options ......................................................................................... 47
A.7 RS-232 Serial Port ....................................................................................... 47
A.8 Real-Time Clock .......................................................................................... 47
A.9 Serial EEPROM ........................................................................................... 47
A.10 Analog Input ............................................................................................... 47
A.11 Temperature Sensor .................................................................................. 48
A.12 Switches ..................................................................................................... 48
A.13 ICD Connector ........................................................................................... 48
A.14 Power Supply ............................................................................................. 49
A.15 Board Layout and Schematics ................................................................... 52
A.16 PIM Layout and Schematics ...................................................................... 56
Worldwide Sales and Service .................................................................................... 66
2010 Microchip Technology Inc.
DS51662C-page 3
PICDEM™ LCD 2 Demonstration Kit User’s Guide
NOTES:
DS51662C-page 4
2010 Microchip Technology Inc.
PICDEM™ LCD 2 DEMONSTRATION
KIT USER’S GUIDE
Preface
NOTICE TO CUSTOMERS
All documentation becomes dated, and this manual is no exception. Microchip tools and
documentation are constantly evolving to meet customer needs, so some actual dialogs
and/or tool descriptions may differ from those in this document. Please refer to our web site
(www.microchip.com) to obtain the latest documentation available.
Documents are identified with a “DS” number. This number is located on the bottom of each
page, in front of the page number. The numbering convention for the DS number is
“DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the
document.
For the most up-to-date information on development tools, see the MPLAB® IDE on-line help.
Select the Help menu, and then Topics to open a list of available online help files.
The VL logo is a registered logo of Varitronix Limited. The illustrations on pages 26, 27,
31, 36, 39 and 45 are copyrighted materials of Varitronix and VL Electronics. Reprinted
with permission.
INTRODUCTION
This chapter contains general information that will be useful to know before using the
PICDEM™ LCD 2 Demonstration Board. Items discussed in this chapter include:
•
•
•
•
•
•
•
•
Document Layout
Conventions Used in this Guide
Warranty Registration
Recommended Reading
The Microchip Web Site
Development Systems Customer Change Notification Service
Customer Support
Document Revision History
DOCUMENT LAYOUT
This document describes how to use the PICDEM LCD 2 as a development tool to
emulate and debug firmware on a target board. The manual layout is as follows:
• Chapter 1. “Introduction” – Describes the hardware of the PICDEM LCD 2
Demonstration Board.
• Chapter 2. “Getting Started” – Describes how to use the PICDEM LCD 2
Demonstration Board.
• Chapter 3. “Using the Demo Software” – Describes how to use the application
in Demo mode and also how it can be customized.
• Appendix A. “Board Technical Information” – Shows the schematic and layout
diagrams for the PICDEM LCD 2 Demonstration Board.
2010 Microchip Technology Inc.
DS51662C-page 5
PICDEM™ LCD 2 Demonstration Kit User’s Guide
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENTATION CONVENTIONS
Description
Arial font:
Italic characters
Initial caps
Quotes
Underlined, italic text with
right angle bracket
Bold characters
N‘Rnnnn
Text in angle brackets < >
Courier New font:
Plain Courier New
Represents
Referenced books
Emphasized text
A window
A dialog
A menu selection
A field name in a window or
dialog
A menu path
MPLAB® IDE User’s Guide
...is the only compiler...
the Output window
the Settings dialog
select Enable Programmer
“Save project before build”
A dialog button
A tab
A number in verilog format,
where N is the total number of
digits, R is the radix and n is a
digit.
A key on the keyboard
Click OK
Click the Power tab
4‘b0010, 2‘hF1
Italic Courier New
Sample source code
Filenames
File paths
Keywords
Command-line options
Bit values
Constants
A variable argument
Square brackets [ ]
Optional arguments
Curly brackets and pipe
character: { | }
Ellipses...
Choice of mutually exclusive
arguments; an OR selection
Replaces repeated text
Represents code supplied by
user
DS51662C-page 6
Examples
File>Save
Press <Enter>, <F1>
#define START
autoexec.bat
c:\mcc18\h
_asm, _endasm, static
-Opa+, -Opa0, 1
0xFF, ‘A’
file.o, where file can be
any valid filename
mcc18 [options] file
[options]
errorlevel {0|1}
var_name [,
var_name...]
void main (void)
{ ...
}
2010 Microchip Technology Inc.
Preface
WARRANTY REGISTRATION
Please complete the enclosed Warranty Registration Card and mail it promptly.
Sending in the Warranty Registration Card entitles users to receive new product
updates. Interim software releases are available at the Microchip web site.
RECOMMENDED READING
For the latest information on using other tools, read the tool-specific Readme files in
the Readmes subdirectory of the MPLAB® IDE installation directory. The Readme files
contain update information and known issues that may not be included in this user’s
guide.
The following documents are comprehensive references for Microchip’s enhanced
microcontrollers with LCD driver:
“PIC18F85J90 Family Data Sheet” (DS39770)
“PIC18F87J90 Family Data Sheet” (DS39933)
“PIC18F6390/6490/8390/8490 Data Sheet” (DS39629)
“PIC16C9XX Data Sheet” (DS30444)
“PIC16C925/926 Data Sheet” (DS39544)
“PIC16F917/916/914/913 Data Sheet” (DS41250)
"PIC16F/LF1946/47 Data Sheet" (DS41414)
2010 Microchip Technology Inc.
DS51662C-page 7
PICDEM™ LCD 2 Demonstration Kit User’s Guide
THE MICROCHIP WEB SITE
Microchip provides online support via our web site at www.microchip.com. This web
site is used as a means to make files and information easily available to customers.
Accessible by using your favorite Internet browser, the web site contains the following
information:
• Product Support – Data sheets and errata, application notes and sample
programs, design resources, user’s guides and hardware support documents,
latest software releases and archived software
• General Technical Support – Frequently Asked Questions (FAQs), technical
support requests, online discussion groups, Microchip consultant program
member listing
• Business of Microchip – Product selector and ordering guides, latest Microchip
press releases, listing of seminars and events, listings of Microchip sales offices,
distributors and factory representatives
DEVELOPMENT SYSTEMS CUSTOMER CHANGE NOTIFICATION SERVICE
Microchip’s customer notification service helps keep customers current on Microchip
products. Subscribers will receive e-mail notification whenever there are changes,
updates, revisions or errata related to a specified product family or development tool of
interest.
To register, access the Microchip web site at www.microchip.com, click on Customer
Change Notification and follow the registration instructions.
The Development Systems product group categories are:
• Compilers – The latest information on Microchip C compilers and other language
tools. These include the MPLAB C18 and MPLAB C30 C compilers; MPASM™
and MPLAB ASM30 assemblers; MPLINK™ and MPLAB LINK30 object linkers;
and MPLIB™ and MPLAB LIB30 object librarians.
• Emulators – The latest information on Microchip in-circuit emulators.This
includes the MPLAB ICE 2000 and MPLAB ICE 4000.
• In-Circuit Debuggers – The latest information on the Microchip in-circuit
debugger, MPLAB ICD 2.
• MPLAB® IDE – The latest information on Microchip MPLAB IDE, the Windows®
Integrated Development Environment for development systems tools. This list is
focused on the MPLAB IDE, MPLAB SIM simulator, MPLAB IDE Project Manager
and general editing and debugging features.
• Programmers – The latest information on Microchip programmers. These include
the MPLAB PM3 and PRO MATE® II device programmers and the PICSTART®
Plus and PICkit™ 1 development programmers.
DS51662C-page 8
2010 Microchip Technology Inc.
Preface
CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
•
•
•
•
Distributor or Representative
Local Sales Office
Field Application Engineer (FAE)
Technical Support
Customers should contact their distributor, representative or field application engineer
(FAE) for support. Local sales offices are also available to help customers. A listing of
sales offices and locations is included in the back of this document.
Technical support is available through the web site at: http://support.microchip.com
DOCUMENT REVISION HISTORY
Revision C (November 2010)
• Added device information for the PIC16F/LF1946/7.
2010 Microchip Technology Inc.
DS51662C-page 9
PICDEM™ LCD 2 Demonstration Kit User’s Guide
NOTES:
DS51662C-page 10
2010 Microchip Technology Inc.
PICDEM™ LCD 2 DEMONSTRATION
KIT USER’S GUIDE
Chapter 1. Introduction
1.1
WELCOME
Thank you for purchasing the PICDEM LCD 2 Demonstration Kit from Microchip
Technology Incorporated. The PICDEM LCD 2 demonstrates the capabilities of the
PIC18FXXJ90, PIC18FXX90, PIC16X9XX, and PIC16X19XX families of devices.
The PICDEM LCD 2 can be used stand-alone with a preprogrammed part, with an
in-circuit emulator (e.g., MPLAB® ICE) or with an in-circuit debugger (e.g., MPLAB
ICD 2). Sample programs are provided to demonstrate the unique features of the
supported devices.
The PICDEM LCD 2 Demonstration Kit comes with the following:
1. PICDEM LCD 2 Demonstration Board (Figure 1-1)
2. Sample Plug-in Module (PIM)
3. CD-ROM which contains:
• Sample Programs
• “PICDEM™ LCD 2 Demonstration Kit User’s Guide”
If you are missing any part of the kit, please contact your nearest Microchip sales office
listed in the back of this publication for help.
2010 Microchip Technology Inc.
DS51662C-page 11
PICDEM™ LCD 2 Demonstration Kit User’s Guide
1.2
PICDEM LCD 2 DEMONSTRATION BOARD HARDWARE FEATURES
The PICDEM LCD 2 Demonstration Board has the following hardware features; each
feature’s number corresponding to the number in Figure 1-1:
1. The demonstration board provides a daughter board option for the
PIC18F85J90, PIC18F87J90, PIC18F8490, PIC16F914/917, PIC16F946, and
PIC16F/LF1946/47 families of devices and MPLAB ICE. The board is also supplied with a PIM populated with a PIC18F85J90 device.
Note:
Optional PIMs populated with PIC18FXX90, PIC18FXX90, PIC16F9XX,
and PIC16X19XX devices are available for purchase from Microchip Direct
(www.microchipdirect.com).
The MPLAB ICE can be plugged onto the board without any transition socket for
PIC18FXX90 devices. For other devices, a transition socket may be needed.
2. On-board adjustable voltage regulator for direct input from 9V, 100 mA AC/DC
wall adapter or 3V button cell battery.
3. Jumper J15 to select different power options.
4. Green power-on indicator LED for direct input from 9V.
5. Varitronix custom segmented LCD display.
6. Jumpers, COM0, COM1, COM2 and COM3, to disconnect COM pins from
on-board LCD and allow the usage of any customized LCD glass.
7. RS-232 connection and associated hardware for direct connection to RS-232
interface.
8. Jumpers, JP13 and JP14, to disconnect TX and RX.
9. In-Circuit Debugger (ICD) connector.
10. R44, 10 k, potentiometer for devices with analog inputs.
11. Five push button switches (S1 through S5) for external stimulus and Reset.
12. Jumpers, JP19, JP18, JP1 and JP2, to disconnect switches from RB6, RB7, RA6
and RA7 input pins.
13. Jumper, J11, to select either 10 k (POT R44) or the S1-S4 switches to AN0
(RA0).
14. Two green LEDs connected to RC3 and RC4 (device dependent).
15. Jumpers in J14 to disconnect LEDs from RC3 and RC4.
16. A slide switch (S6) to select either the resistor ladder or the charge pump option
for generating the bias values for the LCD pins.
17. Jumper, JP21, to physically tie the resistor ladder to ground.
18. Unpopulated holes provided for crystal connection.
19. Jumpers, JP11 and JP12, to disconnect crystal from OSC1 and OSC2.
20. 32.768 kHz crystal with Timer1 for Real-Time Clock (RTC) operation.
21. A Microwire EEPROM 93AA46C provided on a socket.
22. Jumpers, JP15 and JP16, to disconnect EEPROM from CK and DT. Jumper, J6,
to connect CS to GND or to RC4 (device dependent). Jumper, J13, to select
either 128 x 8 or 64 x 16 memory organization.
23. Thermistor for sensing temperature.
24. Jumper, JP5, to connect thermistor to AN1 (RA1) (device dependent).
25. Jumper, JP17, to select either VCC or I/O to power the peripherals.
26. Unpopulated option for TC77 temperature sensor.
27. Prototype area for user hardware.
28. PICtail™ daughter board connection. (The pin names on the board are valid only
for the PIC18F8490 device. For other devices, the PICtail daughter board pin
connections may be different or not connected.)
DS51662C-page 12
2010 Microchip Technology Inc.
Introduction
FIGURE 1-1:
PICDEM™ LCD 2 HARDWARE
4
8
22
3
21
18 13 19 25 20 23 26
2
7
28
15
1
24
14
9
12
2
27
11
1.3
10
16 17
6
5
SAMPLE DEVICES
A PIM, populated with the PIC18F85J90, is included.
1.4
SAMPLE PROGRAMS
The PICDEM LCD 2 Demonstration Kit includes a CD-ROM with sample demonstration
programs. Depending on the device, these programs may be used with some of the
included sample devices with an In-Circuit Emulator (ICE) or with an In-Circuit
Debugger (ICD). For each type of device (PIC16F946, PIC16F917, PIC18F8490,
PIC18F85J90, PIC18F87J90 and PIC16F/LF1946/47), demo source code, several C
and/or .asm files and compiled code (one HEX file) are provided.
2010 Microchip Technology Inc.
DS51662C-page 13
PICDEM™ LCD 2 Demonstration Kit User’s Guide
NOTES:
DS51662C-page 14
2010 Microchip Technology Inc.
PICDEM™ LCD 2 DEMONSTRATION
KIT USER’S GUIDE
Chapter 2. Getting Started
The PICDEM LCD 2 may be used as a stand-alone board with a preprogrammed
device, with an In-Circuit Emulator (ICE) or with an In-Circuit Debugger (ICD). For a list
of PIC® microcontroller compatible ICEs or ICDs, please refer to the “Microchip
Development Systems Ordering Guide” (DS30177).
2.1
PICDEM LCD 2 AS A STAND-ALONE BOARD – PREPROGRAMMED DEVICE
The PICDEM LCD 2 may be demonstrated immediately by following the steps listed
below:
• Apply power to the PICDEM LCD 2. For information on acceptable power
sources, see Appendix A. “Board Technical Information”.
Note:
In the event that the preprogrammed PICDEM LCD 2 Demonstration Board
with the PIC18F85J90 PIM does not operate, check the following
conditions:
- The jumper, J15, is configured as per the power supply used. The slide
switch, S6, is switched to C.
- JP1, JP2, JP6, JP18 and JP19 are connected.
- The middle two jumpers of J14 are connected.
- JP9 and JP10 are connected.
- J11 connecting POT to AN0 and JP17 connecting VCC to I/O.
The status of all other jumpers will not affect the preprogrammed
demonstration.
Refer to Figure A-1 in Appendix A. “Board Technical Information”.
To reprogram the sample device, the following will be necessary:
1. User source code may be programmed to the device or the sample program may
be restored from the file on the included CD-ROM.
2. An assembler, such as the MPASM™ Assembler (available with MPLAB IDE), or
a compiler, such as MPLAB C18 C Compiler (PIC18XXXX/18XXJXX devices
only) must be used.
Source code must be assembled or compiled into a HEX file before it can be
programmed into the device. Microchip Technology’s MPASM Assembler or
MPLAB C18 C Compiler may be used. Both are compatible with MPLAB IDE;
however, other assemblers/compilers may be used.
3. Once the sample program is in the HEX file format, it can be programmed to a
Flash device using an MPLAB ICD 2 or PM3 with an ICSP™ module. Microchip
Technology’s MPLAB ICD 2 is compatible with MPLAB IDE.
If the code protection bit(s) have not been programmed, the on-chip program
memory can be read out for verification purposes.
2010 Microchip Technology Inc.
DS51662C-page 15
PICDEM™ LCD 2 Demonstration Kit User’s Guide
2.2
PICDEM LCD 2 USED WITH AN IN-CIRCUIT EMULATOR OR IN-CIRCUIT
DEBUGGER
To use the PICDEM LCD 2 with an In-Circuit Emulator (ICE) or In-Circuit Debugger
(ICD), refer to the tool’s user’s guide for instructions on how to power-up and configure
the ICE/ICD, as well as how to connect to target boards.
Configure the PICDEM LCD 2 for the desired oscillator as described in Table 2-1. Refer
to the ICE/ICD user’s guide for any oscillator configuration requirements.
TABLE 2-1:
OSCILLATOR SELECTION
Oscillator Selection on
PICDEM™ LCD 2
Crystal
JP9 and JP10 not connected. No canned oscillator on board,
crystal in Y2, JP11 and JP12 connected, caps in C16 and C17.
Canned Oscillator
Put canned oscillator on socket Y3. Y2 empty, JP9, JP11 and
JP12 not connected.
Device Internal Oscillator
JP11 and JP12 not connected. No canned oscillator on board.
Ceramic Resonator – no
internal caps
JP9 and JP10 not connected. No canned oscillator on board,
resonator in Y2, JP11 and JP12 connected, caps in C16 and
C17.
Ceramic Resonator – with
internal caps
JP9 and JP10 not connected. No canned oscillator on board,
resonator in Y2, JP11 and JP12 connected, C16 and C17
empty.
Note:
DS51662C-page 16
Modification on PICDEM™ LCD 2
The MPLAB ICE can be plugged onto the board without any transition
socket for PIC18FXX90 devices. For other devices, a transition socket may
be needed.
2010 Microchip Technology Inc.
PICDEM™ LCD 2 DEMONSTRATION
KIT USER’S GUIDE
Chapter 3. Using the Demo Software
The demo programs are preprogrammed into the sample devices. Also, this program
is included on the CD-ROM program disk for user reference. This demo program uses
the functions or macros provided by the firmware LCD driver module to display the
required characters, strings or icons on the LCD.
3.1
DEMO FIRMWARE OPERATION
The demo firmware is made up of four components, which are individually displayed on
the LCD. The PIC microcontroller’s internal RC oscillator is used as the system clock
source.
1. Voltmeter (F1)
This mode uses the A/D module to measure the voltage of the R44 pot through
analog channel AN0, and displays a voltage between 0.00V and 3.30V on the
LCD using the LCD module. Voltage is continually updated until the mode is
exited by pressing either the S1 or S2 switch.
2. Thermometer (F2)
This mode uses the A/D module to measure the voltage of the thermistor R11
through analog channel AN1, and converts to temperature both in Celsius and
Fahrenheit and displays the temperature on the LCD using the LCD module.
Temperature is continually updated until the mode is exited by pressing either
the S1 or S2 switch.
3. Clock (F3)(1)
This mode uses the Timer1 module and a 32 kHz clock crystal. Once this mode
is entered from the main menu, the Real-Time Clock will start counting from
00:00:00. The S3 switch is used to increment minutes and the S4 switch is used
to increment hours. To perform the increment operations, press and hold the
switches. The clock keeps running continuously until the mode is exited by
pressing either the S1 or S2 switch.
4. Charge Pump and Software Contrast (F4)(1)
This mode is available only for the PIC18F85J90 and PIC18F87J90 families of
devices and uses the on-board charge pump and LCD voltage regulator. The
LCD module is configured in Charge Pump mode and software contrast is
achieved by either pressing S3 to increase the contrast or S4 to decrease the
contrast until the mode is exited by pressing either the S1 or S2 switch. By exiting
this mode, the Voltmeter mode is entered and retains the contrast level.
Note 1:
2010 Microchip Technology Inc.
For low-power battery operation in JP17, remove jumper on VCC and I/O
and connect I/O and RB0.
DS51662C-page 17
PICDEM™ LCD 2 Demonstration Kit User’s Guide
FIGURE 3-1:
DEMO PROGRAM FLOWCHART
Power-up
Display Microchip Logo
Display Varitronix Logo
Sleep
Wake-up from Sleep
by Pressing either S1 or S2
A
Voltmeter Demo
Display F1
Start A/D
Conversion on
Channel AN0
Sleep
Wake-up from Sleep
on Completion of Conversion
Display the Voltage
Is S1/S2
switch pressed?
Yes
B
No
DS51662C-page 18
2010 Microchip Technology Inc.
Using the Demo Software
FIGURE 3-2:
DEMO PROGRAM FLOWCHART
B
Thermometer Demo
Display F2
Start A2D
Conversion on
Channel AN1
Sleep
Wake-up from Sleep
on Completion of Conversion
Display the Temperature
Is S1/S2
switch pressed?
Yes
C
No
2010 Microchip Technology Inc.
DS51662C-page 19
PICDEM™ LCD 2 Demonstration Kit User’s Guide
FIGURE 3-3:
DEMO PROGRAM FLOWCHART
C
Real-Time Clock Demo
Display F3
Is S1/S2
switch pressed?
Yes
D
No
Display Time
Sleep
Wake-up from Sleep
Every Second
Is S3
switch pressed?
Yes
Increment
Minute
No
Is S4
switch pressed?
Yes
Increment
Hour
No
DS51662C-page 20
2010 Microchip Technology Inc.
Using the Demo Software
FIGURE 3-4:
DEMO PROGRAM FLOWCHART
D
Software Contrast Demo
using Charge Pump
Display F4
Is S1/S2
switch pressed?
Yes
A
No
Display
LCDREG<BIAS> bits
Is S3
switch pressed?
Yes
Increase
Contrast
No
Is S4
switch pressed?
Yes
Decrease
Contrast
No
2010 Microchip Technology Inc.
DS51662C-page 21
PICDEM™ LCD 2 Demonstration Kit User’s Guide
FIGURE 3-5:
DEMO PROGRAM FLOWCHART
ISR
Increment Second Register
Is it 60?
No
Yes
Clear Second
Register,
Increment Minute
Register
Is it 60?
No
Yes
Clear Minute
Register,
Increment Hour
Register
Is it 24?
No
Yes
Clear Hour Register
Return
DS51662C-page 22
2010 Microchip Technology Inc.
PICDEM™ LCD 2 DEMONSTRATION
KIT USER’S GUIDE
Appendix A. Board Technical Information
The PICDEM™ LCD 2 hardware is not complicated and is intended to illustrate the
ease of use of various PIC® microcontrollers. The PICDEM LCD 2 features the following hardware elements.
Note:
2010 Microchip Technology Inc.
Many of the following hardware sections will require specific demo board
jumper configurations. If a jumper is not listed in a particular section, then
that jumper has no effect on the circuitry within the hardware section you
are working. Figure A-1 shows a diagram of the PICDEM LCD 2 silkscreen
with all necessary jumpers highlighted in gray. Also, refer to the schematic
for circuit connections.
DS51662C-page 23
PICDEM™ LCD 2 Demonstration Kit User’s Guide
FIGURE A-1:
DS51662C-page 24
PICDEM™ LCD 2 DEFAULT JUMPER LOCATION
2010 Microchip Technology Inc.
Board Technical Information
A.1
PROCESSORS
While there is no actual processor populated on the board, a processor is provided with
the plug-in module (PIM) that is shipped with the demonstration board. The default
processor on the PIM is the PIC18F85J90.
The board also supports the PIC18F87J90, PIC18F8490, PIC16F946, PIC16F917,
and PIC16F/LF1946/47 processors, which have been designed for use with the
PICDEM LCD 2. These three processors are in the PICDEM LCD 2 PIM Pack which is
available for separate purchase.
The part numbers for a replacement PIC18F85J90 and the PIM pack are given in
Table A-1.
TABLE A-1:
PART NUMBERS(†)
Item
Part number
PICDEM LCD 2 PIM Pack
• PIC18F8490 PIM
• PIC16F946 PIM
• PIC16F917 PIM
MA180019
PIC18F85J90 PIM
MA180022
PIC16F1946/7 PIM
PIC16LF1946/7 PIM
MA160016
MA160015
† For the availability and pricing of parts, go to www.microchipdirect.com.
Note:
2010 Microchip Technology Inc.
The PIC16LF1946/7 PIM (MA160015) is limited to a maximum of 3.3V
operating voltage.
DS51662C-page 25
PICDEM™ LCD 2 Demonstration Kit User’s Guide
A.2
LCD DISPLAY
A custom-made segmented LCD glass, manufactured by the Varitronix Corporation, is
provided as shown in Figure A-2. This LCD has 4 commons and 32 segments.
Table A-2 provides a few of the specifics for the display. Refer to the Varitronix
specification sheet (VL_5573_V00) for additional details.
20
SEG14
SEG18
SEG13
SEG19
SEG12
SEG20
SEG11
SEG21
SEG10
SEG22
SEG9
SEG23
SEG8
SEG24
SEG7
SEG25
SEG6
SEG26
SEG5
SEG27
SEG4
SEG28
SEG3
SEG29
SEG2
SEG30
SEG1
SEG31
SEG0
COM3
COM0
1
Legend:
N.C.
SEG15
SEG17
40
COM1
N.C.
COM2
SEG16
N.C.
PICDEM™ LCD 2 DISPLAY
21
N.C.
FIGURE A-2:
N.C. = No connection
© VL Electronics
TABLE A-2:
LCD GLASS SPECIFICATIONS
Type
Specification
P.I.D.
VL_5573_V00
Mode/Color/Type
Positive / -- / TN
Viewing Direction
6:00 O’Clock
Driving Scheme
1/4 Duty, 1/3 Bias
Drive Voltage (VLCD)
~3.0 Volt (p-p), +20°C
Operating Temperature
0°C - +50°C
Storage Temperature
-10°C - +60°C
Polarizer – Front
STD.Transmissive
Polarizer – Back
STD.Reflective
Since the glass used on the PICDEM LCD 2 operates at 3V, there is a voltage protection circuit on the LCDBIAS3 pin, which is enabled in the default configuration. When
enabled, even if the VDD is greater than 3V, it regulates the LCDBIAS3 voltage such
that it always maintains the value to 3V. This is not necessary for operation of the LCD
module, but it is a protection circuit to prevent accidentally applying voltages higher
than 3V to the LCD glass present on the board.
DS51662C-page 26
2010 Microchip Technology Inc.
Board Technical Information
FIGURE A-3:
DISPLAY DEFINITIONS
© VL Electronics
FIGURE A-4:
DIGIT DESCRIPTION
© VL Electronics
2010 Microchip Technology Inc.
DS51662C-page 27
PICDEM™ LCD 2 Demonstration Kit User’s Guide
TABLE A-3:
Pin
LCD SEGx AND COMx
ICE Pin
COM0
COM1
COM2
COM3
1
N.C.
N.C.
N.C.
N.C.
2
COM0
—
—
—
3
SEG0
S12
—
—
S10
4
SEG1
S11
—
—
—
5
SEG2
7D
7F
7A
7E
6
SEG3
DP2
7G
7B
7C
7
SEG4
8D
8F
8A
8E
8
SEG5
S13
8G
8B
8C
9
SEG6
X23
X25
X26
X24
10
SEG7
5B
5C
—
5G
11
SEG8
5A
5E
5D
5F
12
SEG9
4B
4C
DP1
4G
13
SEG10
4A
4E
4D
4F
14
SEG11
3B
3C
—
3G
15
SEG12
—
X22
X21
—
16
SEG13
X17
X19
X20
X18
17
SEG14
X16
X14
X13
X15
18
SEG15
X9
X11
X12
X10
19
—
COM1
—
—
20
N.C.
N.C.
N.C.
N.C.
21
N.C.
N.C.
N.C.
N.C.
22
—
—
COM2
—
23
SEG16
X8
X6
X5
X7
24
SEG17
X1
X3
X4
X2
25
SEG18
—
F2
F1
F3
26
SEG19
1A
1E
F4
1F
27
SEG20
1B
1C
1D
1G
28
SEG21
2A
2E
2D
2F
29
SEG22
2B
2C
COL
2G
30
SEG23
3A
3E
3D
3F
31
SEG24
S9
6G
6B
6C
32
SEG25
6D
6F
6A
6E
33
SEG26
X31
X33
X34
X32
34
SEG27
—
X27
X35
X30
35
SEG28
—
X28
X36
X29
36
SEG29
S1
S3
S4
S2
37
SEG30
S6
—
—
S7
38
SEG31
S5
—
—
S8
39
—
—
—
COM3
40
N.C.
N.C.
N.C.
N.C.
Legend: N.C. = No connection
DS51662C-page 28
2010 Microchip Technology Inc.
Board Technical Information
A.2.1
Device-Specific LCD Segment Configuration
The following figures and tables detail which segments are available for specific
PIC® devices.
TABLE A-4:
PIC18F85J90 PIM AND ICE PIN/PORT COMPARISON
PIC18F85J90 PIC18F85J90 PIC18F85J90
PIM Pin No.
Port
Pin
ICE Pin
ICE
ICE
Pin
Port
No.
16
PIC18F85J90 PIC18F85J90 PIC18F85J90
ICE Pin
PIM Pin No.
Port
Pin
41
RJ6
SEG37
SEG37
ICE
Port
ICE
Pin
No.
RJ6
54
1
RH2
SEG45
SEG30
RG0
2
RH3
SEG44
SEG29
RG1
17
42
RJ7
SEG36
SEG36
RJ7
55
3
RE1
BIAS2
BIAS2
RE1
14
43
RC2
SEG13
SEG13
RC2
56
4
RE0
BIAS1
BIAS1
RE0
15
44
RC3
SEG17
SEG17
RA3
39
5
RG0
BIAS0
BIAS0
RB5
67
45
RC4
SEG16
SEG16
RA2
40
6
RG1
NC
NC
46
RC5
SEG12
SEG12
RC5
59
7
RG2
VLCAP1
VLCAP1
RC3
57
47
RB7
RB7
RB7
RB7
60
8
RG3
VLCAP2
VLCAP2
RC4
58
48
VDD
ICEVDD
ICEVDD
VDD
61
9
RG5
MCLR
ICEMCLR RG5
20
49
RA7
OSC1
OSC1
RA7
62
10
RG4
SEG26
SEG26
RG4
21
50
RA6
OSC2
OSC2
RA6
63
11
VSS
VSS
VSS
VSS
23
51
VSS
VSS
VSS
VSS
65
12
VDDCORE
VDDCORE
VDD
VDD
24
52
RB6
RB6
RB6
RB6
66
13
RF7
SEG25
SEG25
RF7
25
53
RB5
SEG29
SEG27
RG3
19
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
NC
NC
23
RF1
SEG19
SEG19
RF1
35
63
RD7
SEG7
SEG7
RD7
77
24
ENVREG
ENVREG
64
RD6
SEG6
SEG6
RD6
78
25
AVDD
AVDD
ICEVDD
AVDD 37
65
RD5
SEG5
SEG5
RD5
79
26
AVSS
AVSS
AVSS
AVSS 38
80
27
RA3
NC
NC
28
RA2
AN2
AN1
RA1
29
RA1
SEG18
SEG18
66
RD4
SEG4
SEG4
RD4
67
RD3
SEG3
SEG3
RD3
81
41
68
RD2
SEG2
SEG2
RD2
82
RF0
36
69
RD1
SEG1
SEG1
RD1
83
84
30
RA0
AN0
AN0
RA0
42
70
VSS
VSS
VSS
VSS
31
VSS
VSS
VSS
VSS
44
71
VDD
VDD
VDD
VDD
2
32
VDD
ICEVDD
ICEVDD
VDD
45
72
RD0
SEG0
SEG0
RD0
3
33
RA5
SEG15
SEG15
RA5
46
73
RE7
SEG31
SEG28
RG2
18
34
RA4
SEG14
SEG14
RA4
47
74
RE6
COM3
COM3
RE6
5
35
RC1
T1OSCI
T1OSCI
RC1
48
75
RE5
COM2
COM2
RE5
6
36
RC0
T1OSCO
T1OSCO RC0
RE4
37
RC6
TX/CK
38
RC7
39
RJ4
RJ5
SEG38
40
Legend:
49
76
RE4
COM1
COM1
TX/CK
RC6
50
77
RE3
COM0
COM0 COM0
7
RX/DT
RX/DT
RC7
51
78
RE2
BIAS3
BIAS3
RE2
9
SEG39
SEG39
RJ4
52
79
RH0
SEG47
SEG32
RJ0
76
SEG38
RJ5
53
80
RH1
SEG46
SEG31
RE7
4
8
Unshaded cells indicate where a perfect match between PIM and ICE pins and ports exists.
Shaded cells indicate where differences between PIM and ICE ports and pins exist.
Bold text indicates the PIM pins that are not connected to any ICE pins or ports.
2010 Microchip Technology Inc.
DS51662C-page 29
PICDEM™ LCD 2 Demonstration Kit User’s Guide
TABLE A-5:
PIC18F85J90
ICE
Pin #
NC
21
COM2
COM2
22
SEG16
SEG16
23
Pin
#
ICE
NC
20
NC
COM3
COM2
19
COM1
COM1
X8,X6,X5,X7
X9,X11,X12,X10
18
SEG15
SEG15
NC
PIC18F85J90
SEG17
SEG17
24
X1,X3,X4,X2
X16,X14,X13,X15
17
SEG14
SEG14
SEG18
SEG18
25
-,F2,F1,F3
X17,X19,X20,X18
16
SEG13
SEG13
SEG19
SEG19
26
1A,1E,F4,1F
-,X22,X21,-
15
SEG12
SEG12
SEG20
SEG20
27
1B,1C,1D,1G
3B,3C,-,3G
14
SEG11
SEG11
SEG21
SEG21
28
2A,2E,2D,2F
4A,4E,4D,4F
13
SEG10
SEG10
SEG22
SEG22
29
2B,2C,COL,2G
4B,4C,DP1,4G
12
SEG9
SEG9
SEG23
SEG23
30
3A,3E,3D,3F
5A,5E,5D,5F
11
SEG8
SEG8
SEG24
SEG24
31
S9,6G,6B,6C
5B,5C,-,5G
10
SEG7
SEG7
SEG25
SEG25
32
6D,6F,6A,6E
X23,X25,X26,X24
9
SEG6
SEG6
SEG26
SEG26
33
X31,X33,X34,X32
S13,8G,8B,8C
8
SEG5
SEG5
SEG29
SEG27
34
-,X27,X35,X30
8D,8F,8A,8E
7
SEG4
SEG4
SEG31
SEG28
35
-,X28,X36,X29
DP2,7G,7B,7C
6
SEG3
SEG3
SEG44
SEG29
36
S1,S3,S4,S2
7D,7F,7A,7E
5
SEG2
SEG2
SEG45
SEG30
37
S6,-,-,S7
S11,-,-,-
4
SEG1
SEG1
SEG46
SEG31
38
S5,-,-S8
S12,-,-,S10
3
SEG0
SEG0
COM3
COM3
39
COM4
COM1
2
COM0
COM0
NC
40
NC
NC
1
NC
Legend:
DS51662C-page 30
PIC18F85J90 LCD CONNECTIONS COMPARISON
Unshaded cells indicate a perfect match between the PIM and the glass.
Shaded cells indicate the pins that are remapped to the corresponding pin on the PIM.
2010 Microchip Technology Inc.
Board Technical Information
20
N.C.
SEGMENT CONFIGURATION FOR PIC18F85J90 DEVICES
21
N.C.
FIGURE A-5:
COM2
SEG16
SEG15
SEG17
SEG14
SEG18
SEG13
SEG19
SEG12
SEG20
SEG11
SEG21
SEG10
SEG22
SEG9
SEG23
SEG8
SEG24
SEG7
SEG25
SEG6
SEG26
SEG5
SEG29
SEG27(2)
SEG4
SEG31
SEG28(2)
SEG3
SEG44(1)
SEG29
SEG2
SEG45(1)
SEG30(2)
SEG1
SEG46(1)
SEG31
SEG0
COM1
1
Legend:
Note 1:
2:
N.C.
COM0
40
N.C.
COM3
N.C. = No connection
SEG44, SEG45, and SEG46 exist only on PIC18F85J90 devices.
Disable SEG27, SEG28, SEG30, and SEG32 when the LCD module is enabled. Although SEG32 is
not listed in the diagram, it is multiplexed with the Timer1 oscillator, and therefore, must be disabled
when the Timer1 oscillator is enabled.
© VL Electronics
TABLE A-6:
PIC18F85J90 PORT AND PIN COMPARISON
PIC18F85J90
Port
PIC18F85J90 PIN
ICE Pin
ICE Port
RA0
AN0
AN0
RA0
RA1
SEG18
SEG18
RF0
RA6
OSC2
OSC2
RA6
RA7
OSC1
OSC1
RA7
Legend:
RB0
RB0
RB0
RB0
RB5
SEG29
SEG27
RG3
RB6
RB6
RB6
RB6
RB7
RB7
RB7
RB7
RC0
T1OSC1
T1OSC0
RC0
RC1
TIOSC0
TIOSC1
RC1
RC3
SEG17
SEG17
RA3
RC4
SEG16
SEG16
RA2
RC6
TX/CK
TX/CK
RC6
RC7
RX/DT
RX/DT
RC7
Unshaded cells indicate a perfect match between the PIM and the glass.
Shaded cells indicate the pins that are remapped to the corresponding pin on the PIM.
2010 Microchip Technology Inc.
DS51662C-page 31
PICDEM™ LCD 2 Demonstration Kit User’s Guide
TABLE A-7:
PIC18F87J90 PIM AND ICE PIN/PORT COMPARISON
PIC18F87J90 PIC18F87J90 PIC18F87J90
PIM Pin No.
Port
Pin
ICE Pin
ICE
ICE
Pin
Port
No.
PIC18F87J90 PIC18F87J90 PIC18F87J90
ICE Pin
PIM Pin No.
Port
Pin
ICE
Port
ICE
Pin
No.
54
1
RH2
SEG45
SEG30
RG0
16
41
RJ6
SEG37
SEG37
RJ6
2
RH3
SEG44
SEG29
RG1
17
42
RJ7
SEG36
SEG36
RJ7
55
3
RE1
BIAS2
BIAS2
RE1
14
43
RC2
SEG13
SEG13
RC2
56
4
RE0
BIAS1
BIAS1
RE0
15
44
RC3
SEG17
SEG17
RA3
39
5
RG0
BIAS0
BIAS0
RB5
67
45
RC4
SEG16
SEG16
RA2
40
6
RG1
NC
NC
46
RC5
SEG12
SEG12
RC5
59
7
RG2
VLCAP1
VLCAP1
RC3
57
47
RB7
RB7
RB7
RB7
60
8
RG3
VLCAP2
VLCAP2
RC4
58
48
VDD
ICEVDD
ICEVDD
VDD
61
ICEMCLR RG5
62
9
RG5
MCLR
20
49
RA7
OSC1
OSC1
RA7
10
RG4
SEG26
SEG26
RG4
21
50
RA6
OSC2
OSC2
RA6
63
11
VSS
VSS
VSS
VSS
23
51
VSS
VSS
VSS
VSS
65
12
VDDCORE
VDDCORE
VDD
VDD
24
52
RB6
RB6
RB6
RB6
66
13
RF7
SEG25
SEG25
RF7
25
53
RB5
SEG29
SEG27
RG3
19
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
SEG18
RF0
34
62
RJ0
NC
NC
SEG19
RF1
35
23
RF1
SEG19
24
ENVREG
ENVREG
25
AVDD
AVDD
ICEVDD
26
AVSS
AVSS
AVSS
27
RA3
CTMU
NC
28
RA2
AN2
AN1
29
RA1
CTMU
NC
30
RA0
AN0
31
VSS
32
VDD
63
RD7
SEG7
SEG7
RD7
77
64
RD6
SEG6
SEG6
RD6
78
AVDD 37
65
RD5
SEG5
SEG5
RD5
79
AVSS 38
66
RD4
SEG4
SEG4
RD4
80
67
RD3
SEG3
SEG3
RD3
81
68
RD2
SEG2
SEG2
RD2
82
RA1
41
36
69
RD1
SEG1
SEG1
RD1
83
AN0
RA0
42
70
VSS
VSS
VSS
VSS
84
VSS
VSS
VSS
44
71
VDD
VDD
VDD
VDD
2
ICEVDD
ICEVDD
VDD
45
72
RD0
SEG0
SEG0
RD0
3
18
33
RA5
SEG15
SEG15
RA5
46
73
RE7
SEG31
SEG28
RG2
34
RA4
SEG14
SEG14
RA4
47
74
RE6
COM3
COM3
RE6
5
35
RC1
T1OSCI
T1OSCI
RC1
48
75
RE5
COM2
COM2
RE5
6
36
RC0
T1OSCO
T1OSCO RC0
49
76
RE4
COM1
COM1
RE4
7
37
RC6
TX/CK
TX/CK
RC6
50
77
RE3
COM0
COM0 COM0
38
RC7
RX/DT
RX/DT
RC7
51
78
RE2
BIAS3
BIAS3
RE2
9
39
RJ4
SEG39
SEG39
RJ4
52
79
RH0
SEG47
SEG32
RJ0
76
40
RJ5
SEG38
SEG38
RJ5
53
80
RH1
SEG46
SEG31
RE7
4
Legend:
8
Unshaded cells indicate where a perfect match between PIM and ICE pins and ports exists.
Shaded cells indicate where differences between PIM and ICE ports and pins exist.
Bold text indicates the PIM pins that are not connected to any ICE pins or ports.
DS51662C-page 32
2010 Microchip Technology Inc.
Board Technical Information
TABLE A-8:
PIC18F87J90
PIC18F87J90 LCD CONNECTIONS COMPARISON
Pin
#
ICE
20
NC
ICE
Pin #
NC
21
COM2
COM2
22
COM3
COM2
19
COM1
COM1
SEG16
SEG16
23
X8,X6,X5,X7
X9,X11,X12,X10
18
SEG15
SEG15
NC
NC
PIC18F87J90
SEG17
SEG17
24
X1,X3,X4,X2
X16,X14,X13,X15
17
SEG14
SEG14
SEG40
SEG18
25
-,F2,F1,F3
X17,X19,X20,X18
16
SEG13
SEG13
SEG19
SEG19
26
1A,1E,F4,1F
-,X22,X21,-
15
SEG12
SEG12
SEG20
SEG20
27
1B,1C,1D,1G
3B,3C,-,3G
14
SEG11
SEG11
SEG21
SEG21
28
2A,2E,2D,2F
4A,4E,4D,4F
13
SEG10
SEG10
SEG22
SEG22
29
2B,2C,COL,2G
4B,4C,DP1,4G
12
SEG9
SEG9
SEG23
SEG23
30
3A,3E,3D,3F
5A,5E,5D,5F
11
SEG8
SEG8
SEG24
SEG24
31
S9,6G,6B,6C
5B,5C,-,5G
10
SEG7
SEG7
SEG25
SEG25
32
6D,6F,6A,6E
X23,X25,X26,X24
9
SEG6
SEG6
SEG26
SEG26
33
X31,X33,X34,X32
S13,8G,8B,8C
8
SEG5
SEG5
SEG29
SEG27
34
-,X27,X35,X30
8D,8F,8A,8E
7
SEG4
SEG4
SEG31
SEG28
35
-,X28,X36,X29
DP2,7G,7B,7C
6
SEG3
SEG3
SEG44
SEG29
36
S1,S3,S4,S2
7D,7F,7A,7E
5
SEG2
SEG2
SEG45
SEG30
37
S6,-,-,S7
S11,-,-,-
4
SEG1
SEG1
SEG46
SEG31
38
S5,-,-S8
S12,-,-,S10
3
SEG0
SEG0
COM3
COM3
39
COM4
COM1
2
COM0
COM0
NC
40
NC
NC
1
NC
Legend:
2010 Microchip Technology Inc.
Unshaded cells indicate a perfect match between the PIM and the glass.
Shaded cells indicate the pins that are remapped to the corresponding pin on the PIM.
DS51662C-page 33
PICDEM™ LCD 2 Demonstration Kit User’s Guide
20
N.C.
SEGMENT CONFIGURATION FOR PIC18F87J90 DEVICES
21
N.C.
FIGURE A-6:
COM2
SEG16
SEG15
SEG17
SEG14
SEG18
SEG13
SEG19
SEG12
SEG20
SEG11
SEG21
SEG10
SEG22
SEG9
SEG23
SEG8
SEG24
SEG7
SEG25
SEG6
SEG26
SEG5
SEG29
SEG27(2)
SEG4
SEG31
SEG28(2)
SEG3
SEG44(1)
SEG29
SEG2
SEG45(1)
SEG30(2)
SEG1
SEG46(1)
SEG31
SEG0
COM1
1
Legend:
Note 1:
2:
N.C.
COM0
40
N.C.
COM3
N.C. = No connection
SEG44, SEG45, and SEG46 exist only on PIC18F87J90 devices.
Disable SEG27, SEG28, SEG30, and SEG32 when the LCD module is enabled. Although SEG32 is
not listed in the diagram, it is multiplexed with the Timer1 oscillator, and therefore, must be disabled
when the Timer1 oscillator is enabled.
© VL Electronics
TABLE A-9:
PIC18F87J90 PORT AND PIN COMPARISON
PIC18F87J90
Port
PIC18F87J90 PIN
ICE Pin
ICE Port
RA0
AN0
AN0
RA0
RA6
OSC2
OSC2
RA6
RA7
OSC1
OSC1
RA7
RB0
RB0
RB0
RB0
Legend:
RB5
SEG29
SEG27
RG3
RB6
RB6
RB6
RB6
RB7
RB7
RB7
RB7
RC0
T1OSC1
T1OSC0
RC0
RC1
TIOSC0
TIOSC1
RC1
RC3
SEG17
SEG17
RA3
RC4
SEG16
SEG16
RA2
RC6
TX/CK
TX/CK
RC6
RC7
RX/DT
RX/DT
RC7
Unshaded cells indicate a perfect match between the PIM and the glass.
Shaded cells indicate the pins that are remapped to the corresponding pin on the PIM.
DS51662C-page 34
2010 Microchip Technology Inc.
Board Technical Information
TABLE A-10:
PIC18F8490 PIM AND ICE PORT/PIN COMPARISON
PIC18F8490 PIC18F8490 PIC18F8490
PIM Pin No.
Port
Pin
ICE Pin
ICE
Port
ICE
Pin
No.
PIC18F8490 PIC18F8490 PIC18F8490
ICE Pin
PIM Pin No.
Port
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
VDD
VDD
ICEVDD
VDD
61
9
RG5
MCLR
ICEMCLR
RG5
20
49
RA7
OSC1
OSC1
RA7
62
10
RG4
SEG26
SEG26
RG4
21
50
RA6
OSC2
OSC2
RA6
63
11
VSS
VSS
VSS
VSS
23
51
VSS
VSS
VSS
VSS
65
12
VDD
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
AVDD
AVDD
ICEVDD
AVDD
37
65
RD5
SEG5
SEG5
RD5
79
26
AVSS
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
VSS
VSS
VSS
VSS
84
31
VSS
VSS
VSS
VSS
44
71
VDD
VDD
VDD
VDD
2
32
VDD
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
2010 Microchip Technology Inc.
DS51662C-page 35
PICDEM™ LCD 2 Demonstration Kit User’s Guide
TABLE A-11:
PIC18F8490 LCD CONNECTIONS COMPARISON
PIC18F8490
ICE
Pin #
Pin #
ICE
PIC18F8490
NC
21
NC
NC
20
NC
COM2
COM2
22
COM3
COM2
19
COM1
COM1
SEG16
SEG16
23
X8,X6,X5,X7
X9,X11,X12,X10
18
SEG15
SEG15
SEG17
SEG17
24
X1,X3,X4,X2
X16,X14,X13,X15
17
SEG14
SEG14
SEG13
SEG18
SEG18
25
-,F2,F1,F3
X17,X19,X20,X18
16
SEG13
SEG19
SEG19
26
1A,1E,F4,1F
-,X22,X21,-
15
SEG12
SEG12
SEG20
SEG20
27
1B,1C,1D,1G
3B,3C,-,3G
14
SEG11
SEG11
SEG21
SEG21
28
2A,2E,2D,2F
4A,4E,4D,4F
13
SEG10
SEG10
SEG22
SEG22
29
2B,2C,COL,2G
4B,4C,DP1,4G
12
SEG9
SEG9
SEG23
SEG23
30
3A,3E,3D,3F
5A,5E,5D,5F
11
SEG8
SEG8
SEG24
SEG24
31
S9,6G,6B,6C
5B,5C,-,5G
10
SEG7
SEG7
SEG25
SEG25
32
6D,6F,6A,6E
X23,X25,X26,X24
9
SEG6
SEG6
SEG26
SEG26
33
X31,X33,X34,X32
S13,8G,8B,8C
8
SEG5
SEG5
SEG27
SEG27
34
-,X27,X35,X30
8D,8F,8A,8E
7
SEG4
SEG4
SEG28
SEG28
35
-,X28,X36,X29
DP2,7G,7B,7C
6
SEG3
SEG3
SEG29
SEG29
36
S1,S3,S4,S2
7D,7F,7A,7E
5
SEG2
SEG2
SEG30
SEG30
37
S6,-,-,S7
S11,-,-,-
4
SEG1
SEG1
SEG31
SEG31
38
S5,-,-S8
S12,-,-,S10
3
SEG0
SEG0
COM3
COM3
39
COM4
COM1
2
COM0
COM0
NC
40
NC
NC
1
NC
20
N.C.
SEGMENT CONFIGURATION FOR PIC18F8490 DEVICES
21
N.C.
FIGURE A-7:
COM2
SEG16
COM1
SEG18
SEG13
SEG19
SEG12
SEG20
SEG11
SEG21
SEG10
SEG22
SEG9
SEG23
SEG8
SEG24
SEG7
SEG25
SEG6
SEG26
SEG5
SEG27
SEG4
SEG28
SEG3
SEG29
SEG2
SEG30
SEG1
SEG31
SEG0
COM0
Legend:
1
40
N.C.
COM3
N.C.
SEG17
SEG15
SEG14
N.C. = No connection
© VL Electronics
DS51662C-page 36
2010 Microchip Technology Inc.
Board Technical Information
TABLE A-12:
PIC18F8490 PIN AND PORT COMPARISON
PIC18F8490 Port
PIC18F8490 Pin
ICE Pin
ICE Port
RA0
AN0
AN0
RA0
RA1
AN1
AN1
RA1
RA6
OSC2
OSC2
RA6
RA7
OSC1
OSC1
RA7
RB0
RB0
RB0
RB0
RB5
RB5
RB5
RB5
RB6
RB6
RB6
RB6
RB7
RB7
RB7
RB7
RC0
T1OSC1
T1OSC0
RC0
RC1
TIOSC0
TIOSC1
RC1
RC3
RC3
RC3
RC3
RC4
RC4
RC4
RC4
2010 Microchip Technology Inc.
RC6
TX/CK
TX/CK
RC6
RC7
RX/DT
RX/DT
RC7
DS51662C-page 37
PICDEM™ LCD 2 Demonstration Kit User’s Guide
TABLE A-13:
PIC16F946 PIM AND ICE PIN/PORT COMPARISON
PIC16F946
PIC16F946 PIC16F946
PIM Pin
Port
Pin
No.
ICE
ICE Pin ICE Port Pin
No.
PIC16F946
PIC16F946 PIC16F946
PIM Pin
Port
Pin
No.
ICE Pin
ICE Port
ICE
Pin
No.
1
RD6
SEG19
SEG19
RF1
35
33
RE0
SEG21
SEG21
RF3
29
2
RD7
SEG20
SEG20
RF2
30
34
RE1
SEG22
SEG22
RF4
28
3
RG0
SEG36
SEG36
RB1
71
35
RE2
SEG23
SEG23
RF5
4
RG1
SEG37
SEG37
RB2
70
36
ICEMCLR ICEMCLR ICEMCLR ICEMCLR
27
20
5
RG2
SEG38
SEG38
RJ5
53
37
RE4
SEG24
SEG24
RF6
6
RG3
SEG39
SEG39
RJ4
52
38
ICEVDD
ICEVDD
ICEVDD
ICEVDD
26
61
7
RG4
SEG40
SEG40
RH4
34
39
RA7
T1OSCI
T1OSCI
RC1
48
8
RG5
SEG41
SEG41
RH5
33
40
RA6
T1OSCO
T1OSCO
RC0
49
9
VSS
VSS
VSS
VSS
23
41
VSS
VSS
VSS
VSS
65
10
VDD
VDD
ICEVDD
ICEVDD
24
42
RE5
SEG25
SEG25
RF7
25
11
RF0
SEG32
SEG32
RJ0
76
43
RE6
SEG26
SEG26
RG4
21
12
RF1
SEG33
SEG33
RD0
3
44
RE7
SEG27
SEG27
RG3
19
13
RF2
SEG34
SEG34
RD6
78
45
RE4
SEG28
SEG28
RG2
18
14
RF3
SEG35
SEG35
RD7
77
46
RF5
SEG29
SEG29
RG1
17
15
RB0
RB0
RB0
RB0
72
47
RF6
SEG30
SEG30
RG0
16
16
RB1
SEG1
SEG1
RD1
83
48
RF7
SEG31
SEG31
RE7
4
17
RB2
SEG2
SEG2
RD2
82
49
RC0
VLCD1
BIAS1
RE0
15
18
RB3
SEG3
SEG3
RD3
81
50
RC1
VLCD2
BIAS2
RE1
14
19
VDD
VDD
ICEVDD
ICEVDD
37
51
RC2
VLCD3
BIAS3
RE2
9
20
VSS
VSS
VSS
AVSS
38
52
RC3
RC3
VLCAP1
RC3
57
RE6
5
1
21
RB4
COM0
COM0
RE3
8
53
RD0
COM3
COM3
22
RB5
COM1
COM1
RE4
7
54
RD1
NC
NC
23
RB6
RB6
RB6
RB6
66
55
RD2
NC
NC
24
RB7
RB7
RB7
RB7
60
56
VSS
VSS
VSS
VSS
25
AVDD
AVDD
ICEVDD
ICEVDD
45
57
VDD
VDD
VDD
VDD
2
26
AVSS
AVSS
AVSS
AVSS
44
58
RD3
SEG16
SEG16
RA2
40
27
RA0
AN0
AN0
RA0
42
59
RC4
RC4
RC4
VLCAP1\
RC4
58
28
RA1
AN1
AN1
RA1
41
60
RC5
SEG10
SEG10
RB3
69
29
RA2
COM2
COM2
RE5
6
61
RC6
TX/CK
TX/CK
TX/CK
50
30
RA3
SEG15
SEG15
RA5
46
62
RC7
RX/DT
RX/DT
RX/DT
51
31
RA4
SEG4
SEG4
RD4
80
63
RD4
SEG17
SEG17
RA3
39
32
RA5
SEG5
SEG5
RD5
79
64
RD5
SEG18
SEG18
RF0
36
Legend:
Unshaded cells indicate where a perfect match between PIM and ICE pins and ports exists.
Shaded cells indicate where differences between PIM and ICE ports and pins exist.
Bold text indicates the PIM pins that are not connected to any ICE pins or ports.
DS51662C-page 38
2010 Microchip Technology Inc.
Board Technical Information
TABLE A-14:
PIC16F946 LCD CONNECTIONS COMPARISON
PIC16F946
ICE
NC
21
NC
NC
20
NC
COM2
COM2
22
COM3
COM2
19
COM1
COM1
SEG16
SEG16
23
X8,X6,X5,X7
X9,X11,X12,X10
18
SEG15
SEG15
SEG17
SEG17
24
X1,X3,X4,X2
X16,X14,X13,X15
17
SEG14
SEG41
SEG18
SEG18
25
-,F2,F1,F3
X17,X19,X20,X18
16
SEG13
SEG40
SEG19
SEG19
26
1A,1E,F4,1F
-,X22,X21,-
15
SEG12
SEG39
SEG20
SEG20
27
1B,1C,1D,1G
3B,3C,-,3G
14
SEG11
SEG38
SEG21
SEG21
28
2A,2E,2D,2F
4A,4E,4D,4F
13
SEG10
SEG10
SEG22
SEG22
29
2B,2C,COL,2G
4B,4C,DP1,4G
12
SEG9
SEG37
SEG23
SEG23
30
3A,3E,3D,3F
5A,5E,5D,5F
11
SEG8
SEG36
SEG24
SEG24
31
S9,6G,6B,6C
5B,5C,-,5G
10
SEG7
SEG35
SEG25
SEG25
32
6D,6F,6A,6E
X23,X25,X26,X24
9
SEG6
SEG34
SEG26
SEG26
33
X31,X33,X34,X32
S13,8G,8B,8C
8
SEG5
SEG5
SEG27
SEG27
34
-,X27,X35,X30
8D,8F,8A,8E
7
SEG4
SEG4
SEG28
SEG28
35
-,X28,X36,X29
DP2,7G,7B,7C
6
SEG3
SEG3
SEG29
SEG29
36
S1,S3,S4,S2
7D,7F,7A,7E
5
SEG2
SEG2
SEG30
SEG30
37
S6,-,-,S7
S11,-,-,-
4
SEG1
SEG1
SEG31
SEG31
38
S5,-,-S8
S12,-,-,S10
3
SEG0
SEG33
COM3
COM3
39
COM4
COM1
2
COM0
COM0
NC
40
NC
NC
1
NC
ICE
PIC16F946
Unshaded cells indicate a perfect match between the PIM and the glass.
Shaded cells indicate the pins that are remapped to the corresponding pin on the PIM.
SEGMENT CONFIGURATION FOR PIC16F946 DEVICES
20
21
FIGURE A-8:
N.C.
Pin #
N.C.
Legend:
Pin #
COM2
SEG16
COM1
SEG17
SEG14(1)
SEG18
SEG13(1)
SEG40
SEG19
SEG12(1)
SEG39
SEG20
SEG11(1)
SEG38
SEG21
SEG10
SEG15
SEG41
SEG22
SEG9(1)
SEG37
SEG23
SEG8(1)
SEG36
SEG24
SEG7(1)
SEG35
SEG25
SEG6(1)
SEG34
SEG26
SEG5
SEG27
SEG4
SEG28
SEG3
SEG29
SEG2
SEG30
SEG1
SEG31
SEG0(1)
SEG33
1
Legend:
Note 1:
N.C.
COM0
40
N.C.
COM3
N.C. = No connection
Disable SEG0, SEG6, SEG7, SEG8, SEG9, SEG11, SEG12, SEG13 and SEG14 when the LCD module is enabled.
© VL Electronics
2010 Microchip Technology Inc.
DS51662C-page 39
PICDEM™ LCD 2 Demonstration Kit User’s Guide
TABLE A-15:
PIC16F946 Port
PIC16F946 Pin
ICE Pin
ICE Port
RA0
AN0
AN0
RA0
RA1
AN1
AN1
RA1
RA6
T1OSCO
T1OSCO
RC0
RA7
T1OSCI
T1OSCI
RC1
RB0
Legend:
DS51662C-page 40
PIC16F946 PORT AND PIN COMPARISON
RB0
RB0
RB0
RB5
COM1
COM1
RE4
RB6
RB6
RB6
RB6
RB7
RB7
RB7
RB7
RC0
VLCD1
BIAS1
RE0
RC1
VLCD2
BIAS2
RE1
RC3
RC3
RC3
RC3
RC4
RC4
RC4
RC4
RC6
TX/CK
TX/CK
RC6
RC7
RX/DT
RX/DT
RC7
Unshaded cells indicate a perfect match between the PIM and the glass.
Shaded cells indicate the pins that are remapped to the corresponding pin/port on the PIM.
2010 Microchip Technology Inc.
Board Technical Information
TABLE A-16:
PIC16F/LF1946/7 PIM AND ICE PIN/PORT COMPARISON
PIC16/LF1 PIC16F/LF
PIC16F/LF
946/7 PIM
1946/7
1946/7 Pin
Pin No.
Port
ICE Pin
ICE
ICE Port Pin
No.
PIC16F/LF PIC16F/LF
PIC16F/LF
1946/7PIM
1946/7
1946/7 Pin
Pin No.
Port
ICE Pin
ICE Port
ICE
Pin
No.
1
RE1
VLCD2
BIAS2
E1
14
33
C2
SEG13
SEG13
RC2
56
2
RE0
VLCD1
BIAS1
E0
15
34
C3
RC3
RC3
RC3
57
3
RG0
SEG42
SEG42
RH6
32
35
RE2
RC4
RC4
RC4
58
4
RG1
SEG43
SEG43
RH7
31
36
RC5
SEG12
SEG12
RC5
59
5
RG2
SEG44
SEG44
RJ3
13
37
RB7
RB7
RB7
RB7
60
6
RG3
SEG45
SEG45
RG5
20
38
VDD
VDD
ICEVDD
ICEVDD
61
7
RG5
MCLR
ICEMCLR
RG5
20
39
OSC1
OSC1
OSC1
RC1
62
8
RG4
SEG26
SEG26
RG4
21
40
RA6
OSC2
OSC2
RA6
63
9
VSS
VSS
VSS
VSS
23
41
VSS
VSS
VSS
VSS
65
10
VDD
VDD
ICEVDD
ICEVDD
24
42
RB6
RB6
RB6
RB6
66
11
RF7
SEG25
SEG25
RF7
25
43
RB5
RB5
RB5
RB5
67
12
RF6
SEG24
SEG24
RF6
26
44
RB4
SEG11
SEG11
RB4
68
13
RF5
SEG23
SEG23
RF5
27
45
RB3
SEG10
SEG10
RB3
69
14
RF4
SEG22
SEG22
RF4
28
46
RB2
SEG9
SEG9
RB2
70
15
RF3
SEG21
SEG21
RF3
29
47
RB1
SEG8
SEG8
RB1
71
16
RF2
SEG20
SEG20
RF2
30
48
RB0
RB0
RB0
RB0
72
17
RF1
SEG19
SEG19
RF1
35
49
RD7
SEG7
SEG7
RD7
77
18
RF0
SEG41
SEG41
RH5
33
50
RD6
SEG6
SEG6
RD6
78
19
VDD
VDD
ICEVDD
ICEVDD
37
51
RD5
SEG5
SEG5
RD5
79
20
VSS
VSS
VSS
VSS
38
52
RD4
SEG4
SEG4
RD4
80
21
RA3
SEG35
SEG35
RJ3
73
53
RD3
SEG3
SEG3
RD3
81
22
RA2
SEG34
SEG34
RJ2
74
54
RD2
SEG2
SEG2
RD2
82
23
RA1
AN1
AN1
RA1
41
55
RD1
SEG1
SEG1
RD1
83
24
RA0
AN0
AN0
RA0
42
56
VSS
VSS
VSS
VSS
84
25
VSS
VSS
ICEVSS
ICEVSS
44
57
VDD
VDD
VDD
VDD
2
26
VDD
VDD
ICDVDD
ICDVDD
45
58
RD0
SEG0
SEG0
RD0
3
27
RA5
SEG15
SEG15
RA5
46
59
RE7
SEG31
SEG31
RE7
4
28
RA4
SEG14
SEG14
RA4
47
60
RE6
COM3
COM3
RE6
5
29
RC1
T1OSC1
T1OSC1
RC1
48
61
RE5
COM2
COM2
RE5
6
30
RC0
T1OSC0
T1OSC0
RC0
49
62
RE4
COM1
COM1
RE4
7
31
RC6
TX/CK
TX/CK
RC6
50
63
RE3
COM0
COM0
RE3
8
RC7
RX/DT
RX/DT
RC7
79
51
RE2
VLCD3
BIAS3
RE2
9
32
Legend:
Unshaded cells indicate where a perfect match between PIM and ICE pins and ports exists.
Shaded cells indicate where differences between PIM and ICE ports and pins exist.
Bold text indicates the PIM pins that are not connected to any ICE pins or ports.
2010 Microchip Technology Inc.
DS51662C-page 41
PICDEM™ LCD 2 Demonstration Kit User’s Guide
TABLE A-17:
PIC16F/LF1946/7 LCD CONNECTIONS COMPARISON
PIC16F/LF
1946/7
ICE
NC
21
NC
NC
20
NC
COM2
COM2
22
COM3
COM2
19
COM1
SEG34
SEG16
23
X8,X6,X5,X7
X9,X11,X12,X10
18
SEG15
SEG15
SEG35
SEG17
24
X1,X3,X4,X2
X16,X14,X13,X15
17
SEG14
SEG14
SEG41
SEG18
25
-,F2,F1,F3
X17,X19,X20,X18
16
SEG13
SEG13
SEG19
SEG19
26
1A,1E,F4,1F
-,X22,X21,-
15
SEG12
SEG12
SEG20
SEG20
27
1B,1C,1D,1G
3B,3C,-,3G
14
SEG11
SEG11
SEG21
SEG21
28
2A,2E,2D,2F
4A,4E,4D,4F
13
SEG10
SEG10
SEG22
SEG22
29
2B,2C,COL,2G
4B,4C,DP1,4G
12
SEG9
SEG9
SEG23
SEG23
30
3A,3E,3D,3F
5A,5E,5D,5F
11
SEG8
SEG8
SEG24
SEG24
31
S9,6G,6B,6C
5B,5C,-,5G
10
SEG7
SEG7
SEG25
SEG25
32
6D,6F,6A,6E
X23,X25,X26,X24
9
SEG6
SEG6
SEG26
SEG26
33
X31,X33,X34,X32
S13,8G,8B,8C
8
SEG5
SEG5
SEG45
SEG27
34
-,X27,X35,X30
8D,8F,8A,8E
7
SEG4
SEG4
SEG44
SEG28
35
-,X28,X36,X29
DP2,7G,7B,7C
6
SEG3
SEG3
SEG43
SEG29
36
S1,S3,S4,S2
7D,7F,7A,7E
5
SEG2
SEG2
SEG42
SEG30
37
S6,-,-,S7
S11,-,-,-
4
SEG1
SEG1
SEG31
SEG31
38
S5,-,-S8
S12,-,-,S10
3
SEG0
SEG33
COM3
COM3
39
COM4
COM1
2
COM0
COM0
NC
40
NC
NC
1
NC
LCD
Pin #
ICE
PIC16F/LF1
946/7
COM1
Unshaded cells indicate a perfect match between the PIM and the glass.
Shaded cells indicate the pins that are remapped to the corresponding pin on the PIM.
N.C.
SEGMENT CONFIGURATION FOR PIC16F/LF1946/7 DEVICES
21
N.C.
FIGURE A-9:
20
Legend:
LCD
Pin #
SEG35
SEG17
SEG14
SEG41
SEG18
SEG13
SEG19
SEG12
SEG20
SEG11
SEG21
SEG10
SEG22
SEG9
SEG23
SEG8
SEG24
SEG7
SEG25
SEG6
SEG26
SEG5
SEG45
SEG27
SEG44
SEG28
SEG4
SEG3
SEG43
SEG29
SEG2
SEG42
SEG30
SEG1
SEG31
SEG0
COM3
COM0
1
Legend:
Note 1:
N.C.
SEG15
40
N.C.
COM2
SEG16
COM1
SEG34
N.C. = No connection
Disable SEG16, SEG17, SEG18, SEG27, SEG28, SEG29, SEG30 when the LCD module is enabled.
© VL Electronics
DS51662C-page 42
2010 Microchip Technology Inc.
Board Technical Information
TABLE A-18:
PIC16F/LF1946/7 PORT AND PIN COMPARISON
PIC16F/LF1946/7 Port
PIC16F/LF1946/7 Pin
ICE Pin
ICE Port
RA0
AN0
AN0
RA0
RA1
AN1
AN1
RA1
RC0
T1OSCO
T1OSCO
RC0
RC1
T1OSCI
T1OSCI
RC1
Legend:
2010 Microchip Technology Inc.
RB0
RB0
RB0
RB0
RE3
COM0
COM0
RE3
RB5
COM1
COM1
RE4
RE5
COM2
COM2
RE5
RE6
COM3
COM3
RE6
RB6
RB6
RB6
RB6
RB7
RB7
RB7
RB7
RE0
VLCD1
BIAS1
RE0
RE1
VLCD2
BIAS2
RE1
RE2
VLCD3
BIAS3
RE2
RC3
RC3
RC3
RC3
RC4
RC4
RC4
RC4
RC6
TX/CK
TX/CK
RC6
RC7
RX/DT
RX/DT
RC7
Unshaded cells indicate a perfect match between the PIM and the glass.
Shaded cells indicate the pins that are remapped to the corresponding pin/port on the PIM.
DS51662C-page 43
PICDEM™ LCD 2 Demonstration Kit User’s Guide
TABLE A-19:
PIC16F917
PIM Pin No.
PIC16F917
Port
1
RC7
2
RD4
3
RD5
4
RD6
5
6
PIC16F917
Pin
ICE Pin
ICE Port
ICE Pin No.
RX/DT
RX/DT
RC7
51
SEG17
SEG17
RA3
17
SEG18
SEG18
RF0
18
SEG19
SEG19
RF1
19
RD7
SEG20
SEG20
RF2
20
VSS
VSS
VSS
VSS
VSS
7
VDD
ICEVDD
ICEVDD
VDD
45
8
RB0
RB0
RB0
RB0
72
9
RB1
SEG1
SEG6
RD6
78
10
RB2
SEG2
SEG7
RD7
77
11
RB3
SEG3
SEG8
RB1
71
14
RB4
COM0
COM0
RE3
8
15
RB5
COM1
COM1
RE4
7
16
RB6
RB6
RB6
RB6
66
17
RB7
RB7
RB7
RB7
60
18
ICEMCLR
ICEMCLR
ICEMCLR
ICEMCLR
20
19
RA0
AN0
AN0
RA0
42
20
RA1
AN1
AN1
RA1
41
21
RA2
COM2
COM2
RE5
6
22
RA3
SEG15
SEG15
RA5
15
23
RA4
SEG4
SEG9
RB2
4
24
RA5
SEG5
SEG10
RB3
5
25
RE0
SEG21
SEG21
RF3
21
26
RE1
SEG22
SEG22
RF4
22
27
RE2
SEG23
SEG23
RF5
23
28
VDD
ICEVDD2
ICEVDD
VDD
2
29
VSS
VSS
VSS
VSS
VSS
30
RA7
T1OSCI
T1OSCI
RC1
48
31
RA6
T1OSCO
T1OSCO
RC0
49
32
RC0
VLCD1
BIAS1
RE0
15
35
RC1
VLCD2
BIAS2
RE1
14
36
RC2
VLCD3
BIAS3
RE2
9
37
RC3
SEG6
SEG11
RB4
68
38
RD0
COM3
COM3
RE6
5
39
RD1
RD1
RC3
RC3
57
40
RD2
RD2
RC4
RC4
58
41
RD3
SEG16
SEG16
RA2
16
42
RC4
SEG11
SEG14
RA4
47
43
RC5
SEG10
SEG13
RC2
56
RC6
TX/CK
TX/CK
RC6
50
44
Legend:
DS51662C-page 44
PIC16F917 PIM AND ICE PIN/PORT COMPARISON
Unshaded cells indicate where a perfect match between PIM and ICE pins and ports exists.
Shaded cells indicate where differences between PIM and ICE ports and pins exist.
Bold text indicates the PIM pins that are not connected to any ICE pins or ports.
2010 Microchip Technology Inc.
Board Technical Information
TABLE A-20:
PIC16F917 LCD CONNECTIONS COMPARISON
PIC16F917
ICE
Pin #
Pin #
ICE
PIC16F917
NC
21
NC
NC
20
NC
COM2
COM2
22
COM3
COM2
19
COM1
COM1
SEG16
SEG16
23
X8,X6,X5,X7
X9,X11,X12,X10
18
SEG15
SEG15
SEG17
SEG17
24
X1,X3,X4,X2
X16,X14,X13,X15
17
SEG14
SEG11
SEG18
SEG18
25
-,F2,F1,F3
X17,X19,X20,X18
16
SEG13
SEG10
SEG19
SEG19
26
1A,1E,F4,1F
-,X22,X21,-
15
SEG12
NC
SEG20
SEG20
27
1B,1C,1D,1G
3B,3C,-,3G
14
SEG11
SEG6
SEG21
SEG21
28
2A,2E,2D,2F
4A,4E,4D,4F
13
SEG10
SEG5
SEG22
SEG22
29
2B,2C,COL,2G
4B,4C,DP1,4G
12
SEG9
SEG4
SEG23
SEG23
30
3A,3E,3D,3F
5A,5E,5D,5F
11
SEG8
SEG3
NC
SEG24
31
S9,6G,6B,6C
5B,5C,-,5G
10
SEG7
SEG2
NC
SEG25
32
6D,6F,6A,6E
X23,X25,X26,X24
9
SEG6
SEG1
NC
SEG26
33
X31,X33,X34,X32
S13,8G,8B,8C
8
SEG5
NC
NC
SEG27
34
-,X27,X35,X30
8D,8F,8A,8E
7
SEG4
NC
NC
SEG28
35
-,X28,X36,X29
DP2,7G,7B,7C
6
SEG3
NC
NC
SEG29
36
S1,S3,S4,S2
7D,7F,7A,7E
5
SEG2
NC
NC
SEG30
37
S6,-,-,S7
S11,-,-,-
4
SEG1
NC
NC
SEG31
38
S5,-,-S8
S12,-,-,S10
3
SEG0
NC
COM3
COM3
39
COM4
COM1
2
COM0
COM0
NC
40
NC
NC
1
NC
Unshaded cells indicate a perfect match between the PIM and the glass.
Shaded cells indicate the pins that are remapped to the corresponding pin on the PIM.
Bold text indicates the PIM pins that are not connected.
SEGMENT CONFIGURATION FOR PIC16F914/917 DEVICES
20
21
N.C.
FIGURE A-10:
N.C.
Legend:
SEG16
COM2
SEG16
SEG17
SEG17
SEG15 SEG15
SEG14(1) SEG11
SEG18
SEG18
SEG13(1)
SEG19
SEG19
SEG12(1)
SEG20
SEG20
SEG11
SEG6
SEG21
SEG21
SEG10
SEG5
SEG22
SEG22
SEG9(1)
SEG4
SEG23
SEG23
SEG8(1)
SEG3
SEG24
SEG7(1)
SEG25
SEG6
SEG26
SEG5
SEG27
SEG28
SEG4
SEG3
SEG29
SEG2
SEG30
SEG1
SEG31
SEG0(1)
COM0
COM1
Legend:
Note
1:
SEG2
SEG1
N.C.
1
40
N.C.
COM3
SEG10
N.C. = No connection
= Only segments available to PIC16F914/917 devices
Disable SEG0, SEG7, SEG8, SEG9, SEG12, and SEG14 when the LCD module is enabled.
© VL Electronics
2010 Microchip Technology Inc.
DS51662C-page 45
PICDEM™ LCD 2 Demonstration Kit User’s Guide
TABLE A-21:
PIC16F917 Port
PIC16F917 Pin
ICE Pin
ICE Port
RA0
AN0
AN0
RA0
RA1
AN1
AN1
RA1
RA6
T1OSCO
T1OSCO
RC0
RA7
T1OSCI
T1OSCI
RC1
RB0
Legend:
A.3
PIC16F917 PIN AND PORT COMPARISON
RB0
RB0
RB0
RB5
COM1
COM1
RE4
RB6
RB6
RB6
RB6
RB7
RB7
RB7
RB7
RC0
VLCD1
BIAS1
RE0
RC1
VLCD2
BIAS2
RE1
RC3
SEG6
SEG11
RB4
RC4
SEG11
SEG14
RA4
RC6
TX/CK
TX/CK
RC6
RC7
RX/DT
RX/DT
RC7
Unshaded cells indicate a perfect match between the PIM and the glass.
Shaded cells indicate the pins that are remapped to the corresponding pin on the PIM.
LED DISPLAY
Two green LEDs are connected to RC3 and RC4 of U1A through the J14 pins, 1, 2 and
7, 8 (outer ends), respectively.
One green LED is provided to determine whether there is power to the LCD 2
Demonstration Board (LED on) or not (LED off).
A.4
Note 1:
For the PIC18F85J90 and PIC18F87J90 PIM, the RG2 and RG3 pins are
connected to RC3 and RC4 of U1A, respectively.
2:
For the PIC16F17 PIM, the RD1 and RD2 pins are connected to RC3 and
RC4 of U1A, respectively.
3:
For the PIC18F8490 PIM, the RC3 and RD4 pins are connected to RC3
and RC4 of U1A, respectively
CHARGE PUMP AND VLCAP
For charge pump mode operation in PIC18F85J90 and PIC18F87J90 devices, it is
required that RC3 and RC4 of U1A connect to charge pump capacitor C7 through the
J14 pins, 3, 4 and 5, 6 (inner pins), respectively.
A.5
RESISTIVE LADDER VERSUS CHARGE PUMP
The switch, S6, allows the connection of either the resistor ladder or the capacitors to
the BIAS pins to generate the BIAS voltages for the LCD operation. For the Charge
Pump mode operation in PIC18F85J90 and PIC18F87J90 devices, it is required that
the S6 switch is flipped towards C and the VLCAP is connected through the inner
jumpers of J14. For the resistor ladder, S6 must be flipped towards R. The R45
potentiometer controls the contrast to the LCD in the Resistive Ladder mode.
A.5.1
Jumper JP21
When jumper JP21 is on, the LCDBIAS0 is physically tied to ground. The jumper needs
to be on for PIC18F85J90 and PIC18F87J90 devices when the bias voltages are
generated through the resistor ladder.
DS51662C-page 46
2010 Microchip Technology Inc.
Board Technical Information
A.6
OSCILLATOR OPTIONS
The on-board firmware uses the internal RC oscillator running at 8 MHz.
• Internal RC oscillator running at 8 MHz can be used.
• Pads provided for user-furnished crystal/resonator (Y2) and two capacitors
(C16 and C17).
• Socket provided for a canned oscillator (Y3). This oscillator can be disabled by
removing jumpers, JP9, JP11 and JP12.
• 32.768 kHz (watch-type) crystal for Timer1 (Y1) is always connected to RC0 and
RC1.
A.7
RS-232 SERIAL PORT
An RS-232 level shifting IC has been provided with all necessary hardware to support
connection of an RS-232 host through the DB9 connector (PI). The port is configured
as DCE and can be connected to a PC using a serial cable.
A.8
REAL-TIME CLOCK
This circuit allows the user to configure a PIC microcontroller for timekeeping using a
32.768 kHz clock crystal connected to Timer1 module’s T1OSO and T1OSI pins.
A.9
SERIAL EEPROM
A socket for a Microwire EEPROM is provided on the board to illustrate usage of
the Synchronous mode of operation of the USART module. For its operation:
• Jumpers, JP15 and JP16, should be connected.
• In the jumper, J6, U9-CS should be connected with RB5.
• In the jumper, J13, U9-ORG (pin 6) should be connected to GND.
Note 1:
For the PIC18F85J90 and PIC18F87J90 PIM, the RG2 and RG3 pins are
connected to RC3 and RC4 of U1A, respectively.
2:
For the PIC16F917 PIM, the RD1 and RD2 pins are connected to RC3
and RC4 of U1A, respectively.
3:
For the PIC18F8490, PIC16F946 and PIC16F/LF/1946/7 PIMs, the RC3
and RC4 pins are connected to RC3 and RC4 of U1A, respectively.
A.10 ANALOG INPUT
A 10 k potentiometer is connected through a series of 100 resistors to AN0. The
potentiometer can be adjusted from VCC to GND. The jumper, J11, should be
connecting the potentiometer to AN0.
2010 Microchip Technology Inc.
DS51662C-page 47
PICDEM™ LCD 2 Demonstration Kit User’s Guide
A.11 TEMPERATURE SENSOR
A 10 kTC thermistor (R11) is provided to sense the temperature. It is connected to
AN1 (RA1) through the jumper, JP5. An optional unpopulated TC77-based circuit is
provided to read the temperature serially using the USART module. The jumpers, JP15
and JP16, are to be connected and RA1 of U1A should be made digital to be used to
enable TC77.
Note 1:
2:
For the PIC18F85J90 and PIC18F87J90 PIM, the RA2 pin is connected
to RA1 of U1A and AN2 is used instead of AN1.
For the PIC18F8490, PIC16F/LF/1946/7, PIC16F946, and PIC16F917
PIMs, the RA1 pin is connected to RA1 of U1A.
A.12 SWITCHES
Four switches provide the following functions for digital I/Os:
•
•
•
•
S1 – Active-low switch connected to RB6.
S2 – Active-low switch connected to RB6 and RB7.
S3 – Active-low switch connected to RB6, RB7 and RA6.
S4 – Active-low switch connected to RB6, RB7, RA6 and RA7.
For this type of sensing, the jumpers, JP1, JP2, JP6, JP18, JP19, JP9 and JP10,
should be connected and the potentiometer should be connected to AN0 through J11.
Sensing should be done in the sequence, S1, S2, S3 and S4, only. Individual switch
sensing is not allowed.
Additionally, the four switches provide the following functions for analog input (AN0):
•
•
•
•
S1 – AN0 will be approximately at VCC/2.
S2 – AN0 will be approximately at VCC/3.
S3 – AN0 will be approximately at VCC/5.2.
S4 – AN0 will be approximately at VCC/7.7.
For this type of sensing, the jumpers, JP1, JP2, JP6, JP18 and JP19, should not be
connected and the SWT should be connected to AN0 through J11.
A.13 ICD CONNECTOR
By way of the modular connector (J37), the MPLAB ICD 2 can be connected for
low-cost debugging. The ICD connector utilizes RB6/PGC and RB7/PGD of the
microcontrollers for in-circuit debugging.
DS51662C-page 48
2010 Microchip Technology Inc.
Board Technical Information
A.14 POWER SUPPLY
There are four ways to supply power to the PICDEM LCD 2:
• A 3V button cell (CR2032) can be plugged into BT1.
• A 9V, 100 mA unregulated AC to DC supply can be plugged into J5. A
power supply can be purchased through Microchip Technology
(Part Number AC162039).
• A 100 mA regulated DC supply of maximum +5V can be connected to the hooks
provided.
Note:
There is one J15 jumper associated with the power supply circuit. This
jumper must be correctly connected to select the required power supply.
Refer to Figure A-11 for jumper setting examples.
MPLAB ICD 2 users may use the ICD to power the target board to 5V, up to 200 mA,
for the following devices only: PIC18F8490, PIC16F/LF/1946/7, PIC16F946 and
PIC16F916. The PIC18F85J90 and PIC18F87J90 families of devices do not support
this capability.
The default power on the board is 5V. The board voltage can be varied based on
resistors populated on the PIM in conjunction with the processor being used.
FIGURE A-11:
J15 POWER SUPPLY CIRCUIT SETTING EXAMPLES
EXAMPLE A
EXAMPLE B
J15
J15
J15
1
2
1
2
1
2
3
4
3
4
3
4
5
6
5
6
5
6
VLCDBIAS = 3V, External Power
a)
EXAMPLE C
External Supply with
VLCDBIAS Regulated
(Default): This is the recommended jumper setting to
operate when using external
supply. This configuration
allows the VLCDBIAS to be
regulated to 3V even if the VDD
of the board is higher than 3V.
Note:
VLCDBIAS = Battery
b)
Battery Operation: This is the
recommend jumper setting
when operating on a battery. In
this configuration, VLCDBIAS is
directly connected to the battery
voltage.
VLCDBIAS = VCC
c)
External Supply with VLCDBIAS
Unregulated: This is not recommended to use with on-board glass
as voltage higher than 3V may
damage the glass.
If an external glass is connected to
J2 and is capable of handling
higher voltages, then this jumper
setting allows VCC to connect
directly to the VLCDBIAS when an
external power supply is used.
For all examples shown above, the voltage regulation on the VLCDBIAS for 3V is not required for the
regular operation of the module or device. It is added here for additional protection for the glass since
the board is capable of generating 3.3V or 5V depending on the PIM being used.
2010 Microchip Technology Inc.
DS51662C-page 49
PICDEM™ LCD 2 Demonstration Kit User’s Guide
A.14.1
Using the Adjustable Voltage Regulator
The PICDEM LCD 2 board features an adjustable voltage regulator, the venerable
LM317. It is U3 on the board, and can be recognized by the SO-223 package on the
upper left side. Nearby, there is a header, J10, and two resistors, R25 and R26. R25
and R26 are used to set the output voltage of the LM317. By default, R25 = 1K and
R26 = 330R, which results in an output voltage of 5.0V.
The reason an adjustable voltage regulator is provided is so that the PICDEM LCD 2
Demonstration Board can be used with a wide range of LCD PIC microcontrollers. The
PIC18FXXJ90 family of devices tolerates a maximum VDD of 3.6V, whereas the
PIC18FXX90, PIC16F91X and PIC16F946 tolerate a maximum VDD of 5.5V. The
adjustable voltage regulator allows a different VDD to be provided for PIC18FJ devices
and PIC18F and PIC16F LCD devices.
The switching between 3.6V and 5.5V parts is very convenient. The plug-in module
boards are populated with the R101 and R102, appropriately, according to the processor module requirement which mates with the daughter board/emulator header that
surrounds the ICE module (U1A). J10 on the PICDEM LCD 2 board is intended to connect with the 3-pin header on the plug-in module. This allows the resistors, R101 and
R102, on the plug-in module to be connected in parallel to the resistors, R25 and R26.
This way VDD can automatically be adjusted to the voltage appropriate to the part
soldered onto the plug-in module.
The plug-in module is prepopulated with the values shown in Table A-22:
TABLE A-22:
PIM PREPOPULATED VALUES
Module
R101
R102
VDD
PIC18F87J90
Open
1.18K
3.3V
PIC18F85J90
Open
1.18K
3.3V
PIC18F8490
Open
Open
5.0V
PIC16F914/917
Open
Open
5.0V
PIC16F946
Open
Open
5.0V
PIC16F1946/7
Open
Open
5.0V
PIC16LF1946/7
Open
1.18K
3.3V
For VDD = 3.3 volts, R101 can be left unpopulated and R102 can be 1.18K.
(1% resistors are recommended for precise adjustment of VDD.)
Now, let’s look at how to determine R101 and R102 if a different VDD is desired. First,
it is a good idea to look at the data sheet for the LM317 to understand how the voltage
is adjusted. We will not duplicate all the details here. The following equation is taken
from an LM317 data sheet:
EQUATION A-1:
VOUT = VREF (1+ R2/R1) + IADJ * R2
IADJ is minimized by the LM317, so it can be assumed to be zero or at least very small.
VREF =1.25V; it is the reference voltage developed by the LM317 between the output
and adjustment terminal.
That gives us the following equation:
EQUATION A-2:
VOUT = 1.25V(1+R2/R1)
R2 = R25 || R102 = (R25* R102)/(R25+R102)
R1 = R26 || R101.= (R26* R101)/(R26+R101)
DS51662C-page 50
2010 Microchip Technology Inc.
Board Technical Information
As stated previously, R25 = 1K and R26 = 330. You can see that without R102 and
R101, VOUT = 1.25V(1+ 1K/330R) = 5.04V.
For a desired VOUT, first solve for R2, given R1 = R26 = 330R. Then, knowing R2 and
R25, solve for R102. Determine the nearest available resistor value for R102 and
recalculate the resulting VDD to make sure it does not exceed the maximum VDD for the
part you will be using.
Table A-23 shows values for R101 and R102 for different VDD values, assuming that
R25 and R26 on the PICDEM LCD 2 Board are left as their default values of 1K and
330R.
TABLE A-23:
R101 AND R102 VDD VALUES
VDD
R101
R102
5V
Open
Open
3.6V
Open
1.62K
3.3V
Open
1.18K
3.0V
Open
866R
Recommended operating voltages for the various PIMs are:
•
•
•
•
•
•
PIC18F85J90 and PIC18F87J90 families of devices – 3.3V
PIC18F8490 family of devices – 5V
PIC16F917/914 devices – 5V
PIC16F946 – 5V (when operating on an external 9V DC supply)
PIC16F1946/7 – 5V
PIC16LF1946/7 – 3.3V
A.14.2
Slide Switch (S6)
The slide switch allows choosing the BIAS values, either generated by the resistor
ladder, or by the capacitive charge pump. When S6 is switched to the left, the LCDBIAS
pins of the microcontroller are connected to the resistor ladder. When S6 is switched to
the right, the LCDBIAS pins of the microcontroller are connected to the capacitor
network.
2010 Microchip Technology Inc.
DS51662C-page 51
PICDEM™ LCD 2 Demonstration Kit User’s Guide
A.15 BOARD LAYOUT AND SCHEMATICS
The following figures show the parts layout (silkscreen) and schematics for the
PICDEM LCD 2 board.
FIGURE A-12:
DS51662C-page 52
PICDEM™ LCD 2 DEMONSTRATION BOARD PARTS LAYOUT (SILKSCREEN)
2010 Microchip Technology Inc.
2010 Microchip Technology Inc.
VCC
VCC
VCC
1 F
2
4
5
6
14
1
9
.1 F 11
.1 F
8
13
VCC 15
3
V+
10
EN INVALID 12
FORCEON
FORCEOFF 16
V- 7
GND
C1+
C1C2+
C2-
VSS
VCC
.1 F
VDD
.1 F
.1 F
.1 F
FIGURE A-13:
VCC
VCC
VCC
VCC
Board Technical Information
PICDEM™ LCD 2 SCHEMATIC SHEET 1 OF 3
DS51662C-page 53
PICDEM™ LCD 2 Demonstration Kit User’s Guide
32 kHz
VDD
VSS
VCC
VCC
.1 F
VCC
.1 F
.1 F .1 F .1 F
PICDEM™ LCD 2 SCHEMATIC SHEET 2 OF 3
VCC
FIGURE A-14:
VDD
VCC
VSS
VSS
VDD
VCC
AVSS
VCC
VSS
.1 F
VCC
VCC
VCC
VDD
AVDD
DS51662C-page 54
2010 Microchip Technology Inc.
Board Technical Information
PICDEM™ LCD 2 SCHEMATIC SHEET 3 OF 3
VOUT
.1 F
220 F
VIN
VIN
100 F
VOUT
VCC
.1 F
1 F
1 F
.47 F .47 F .47 F .47 F
FIGURE A-15:
2010 Microchip Technology Inc.
DS51662C-page 55
PICDEM™ LCD 2 Demonstration Kit User’s Guide
A.16 PIM LAYOUT AND SCHEMATICS
The following figures show the layout (silkscreen) for the individual PIMs.
FIGURE A-16:
PIC18F65J90 AND PIC18F85J90 PIM LAYOUT
PIC18F65J90
PIC18F85J90 PICDEM™ LCD 2
FIGURE A-17:
PIC16F914/917 PIM LAYOUT
PIC16F917/914
PICDEM™ LCD 2
DS51662C-page 56
M
2010 Microchip Technology Inc.
Board Technical Information
FIGURE A-18:
PIC16F946 PIM LAYOUT
PIC16F946 PICDEM™ LCD 2
FIGURE A-19:
PIC16F/LF1946/7 PIM LAYOUT
PICDEM™ LCD 2
PIC16F/LF1946
PIC16F/LF1947
2010 Microchip Technology Inc.
DS51662C-page 57
PICDEM™ LCD 2 Demonstration Kit User’s Guide
FIGURE A-20:
PIC18F6490/8490 PIM LAYOUT
PICDEM™ LCD 2
PIC18F6490
PIC18F8490
FIGURE A-21:
DS51662C-page 58
PIC18F87J90 PIM LAYOUT
2010 Microchip Technology Inc.
Board Technical Information
FIGURE A-22:
PICDEM™ LCD 2 PIC16F914/917 PIM SCHEMATIC
.1 F
.1 F
VSS
VSS
PIC16F917
VSS
PICDEM LCD 2 PIC16F/LF1946/7 64-PIN PIM SCHEMATIC
VDD
FIGURE A-23:
VSS
VSS
PIC16F/LF1946
VDD
PIC16F/LF1947
2010 Microchip Technology Inc.
AVDD
AVSS
VSS
VDD
VDD
DS51662C-page 59
PICDEM™ LCD 2 Demonstration Kit User’s Guide
VSS
PICDEM™ LCD 2 PIC16F946 PIM SCHEMATIC
VDD
FIGURE A-24:
PIC16F946
VSS
VSS
VDD
AVDD
AVSS
VSS
PICDEM™ LCD 2 PIC18F6490 64-PIN PIM SCHEMATIC
VDD
FIGURE A-25:
VSS
VDD
VDD
PIC18F6490
VSS
VSS
VDD
VDD
VSS
AVDD
DS51662C-page 60
AVSS
VDD
2010 Microchip Technology Inc.
Board Technical Information
VSS
PICDEM™ LCD 2 PIC18F8490 80-PIN PIM SCHEMATIC
VDD
FIGURE A-26:
PIC18F8490
VSS
VSS
VDD
VDD
VSS
VSS
PICDEM™ LCD 2 PIC18F6XJ90 64-PIN PIM SCHEMATIC
VDD
FIGURE A-27:
AVSS
AVDD
VDD
PIC18F6XJ90
VSS
VSS
VDDCORE/VCAP
VDD
VSS
AVDD
2010 Microchip Technology Inc.
AVSS
VDD
DS51662C-page 61
PICDEM™ LCD 2 Demonstration Kit User’s Guide
FIGURE A-28:
PICDEM™ LCD 2 PIC18F87J90 80-PIN PIM SCHEMATIC
PIC18F87FJ90
DS51662C-page 62
2010 Microchip Technology Inc.
Board Technical Information
VSS
PICDEM™ LCD 2 PIC18F85J90 80-PIN PIM SCHEMATIC
VDD
FIGURE A-29:
PIC18F85J90
VSS
VSS
VDDCORE/VCAP
VDD
VSS
AVDD
2010 Microchip Technology Inc.
AVSS
VDD
DS51662C-page 63
PICDEM™ LCD 2 Demonstration Kit User’s Guide
NOTES:
DS51662C-page 64
2010 Microchip Technology Inc.
PICDEM™ LCD 2 DEMONSTRATION
KIT USER’S GUIDE
Index
A
Analog Input............................................................. 47
B
Board ....................................................................... 11
C
Charge Pump and Software Contrast ...................... 17
Clock ........................................................................ 17
Customer Notification Service.................................... 8
Customer Support ...................................................... 9
D
Demonstration Board. See Board
Demonstration Programs. See Sample Programs.
Documentation
Conventions ........................................................ 6
Layout ................................................................. 5
PIC18XXXX
Demo Program.................................................. 17
PICDEM LCD 2 Board
Hardware .......................................................... 23
PICDEM LCD 2 Board. See Board
PICDEM LCD 2 Demo Board................................... 12
PICDEM LCD 2 Hardware (Graphic) ....................... 13
PICDEM LCD 2 Kit. See Kit Components.
PICDEM LCD 2 Stand-Alone Board......................... 15
Power Supply.................................................... 15
PICDEM LCD2 Board
Power Supply.................................................... 49
Processors ............................................................... 25
Push Buttons. See Switches.
R
H
Reading, Recommended ........................................... 7
Real-Time Clock....................................................... 47
RS-232 ............................................................... 12, 47
Hardware Features .................................................. 12
S
I
Sample Devices ....................................................... 13
Sample PIM.............................................................. 11
Sample Programs .............................................. 11, 13
Serial EEPROM ....................................................... 47
Switches................................................................... 12
Analog Input...................................................... 48
Digital I/O .......................................................... 48
Internet Address......................................................... 8
K
Kit Components ....................................................... 11
L
LCD
Digit Description................................................ 27
Display Definition .............................................. 27
SEGx and COMx .............................................. 28
LCD Display ............................................................. 26
LEDs
Green Display ................................................... 46
Green Power..................................................... 46
T
Temperature Sensor ................................................ 48
Thermometer............................................................ 17
U
Using the Demo Software ........................................ 17
V
M
Voltmeter.................................................................. 17
Microchip Internet Web Site ....................................... 8
MPASM Assembler .................................................. 15
MPLAB C18 C Compiler .......................................... 15
MPLAB ICD 2................................................11, 16, 48
MPLAB ICE .........................................................11, 16
MPLAB IDE .............................................................. 15
W
Warranty Registration ................................................ 7
WWW Address........................................................... 8
O
Oscillator Options..................................................... 47
Oscillator Selection .................................................. 16
P
Part Numbers ........................................................... 25
PIC16XXXX
Demo ................................................................ 17
2010 Microchip Technology Inc.
DS51662C-page 65
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Fax: 63-2-634-9069
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Tel: 886-3-6578-300
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Tel: 86-755-8203-2660
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Tel: 886-7-213-7830
Fax: 886-7-330-9305
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Fax: 66-2-694-1350
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Tel: 39-0331-742611
Fax: 39-0331-466781
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Fax: 31-416-690340
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Tel: 34-91-708-08-90
Fax: 34-91-708-08-91
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Fax: 44-118-921-5820
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Tel: 86-592-2388138
Fax: 86-592-2388130
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Tel: 86-756-3210040
Fax: 86-756-3210049
08/04/10
DS51662C-page 66
2010 Microchip Technology Inc.