User manual
Table Of Contents
- Chapter 1. Overview
- 1.1 Introduction
- 1.2 Highlights
- 1.3 PICDEM™ Lab Development Kit Contents
- 1.4 PICDEM™ Lab Development Board Construction and Layout
- 1.5 Target Power
- 1.6 Connecting the PICkit™ 2 Programmer/Debugger
- 1.7 Solderless Prototyping Area Strip Configuration
- Chapter 2. Getting Started
- 2.1 Introduction
- 2.2 Prerequisites
- 2.3 The Software Control Loop
- 2.4 MPLAB® IDE Download Instructions
- 2.5 Installing the Included Lab Files
- Chapter 3. General Purpose Input/Output Labs
- 3.1 Introduction
- 3.2 General Purpose Input/Output Labs
- 3.3 GPIO Output Labs
- 3.3.1 Reference Documentation
- 3.3.2 Equipment Required for GPIO Output Labs
- 3.3.3 PICDEM Lab Development Board Setup for GPIO Output Labs
- Figure 3-1: PICDEM Lab Schematic for GPIO Output Labs
- 3.3.4 Lab 1: Light LEDs
- Figure 3-2: MAIN() Software Control Loop Flowchart for Lab 1
- Figure 3-3: Step One
- Figure 3-4: Step Two
- Figure 3-5: Step Three
- Figure 3-6: Step Four
- Figure 3-7: Summary
- Figure 3-8: Project Window
- Figure 3-9: PICkit 2 PROGRAMMER/DEBUGGER TOOLBAR
- Figure 3-10: Lab 1 LED Output
- 3.3.5 Lab 2: Flash LEDs (Delay Loop)
- Figure 3-11: Main() Software Control Loop Flowchart for Lab 2
- Figure 3-12: Timing() Delay Routine Flowchart for Lab 2
- 3.3.6 Lab 3: Simple Delays Using Timer0
- Equation 3-1: TMR0 Overflow Period using FOSC/4
- Equation 3-2: TMR0 Overflow Period when including the Prescaler
- Equation 3-3: Calculating a TMR0 PreLoad Value to generate a 10mS Overflow Period
- Figure 3-13: Delay_10mS() using Timer0
- Equation 3-4: Maximum TMR0 Overflow Period
- Figure 3-14: Delay_1S() using Timer0
- 3.3.7 Lab 4: Rotate LEDs
- Figure 3-15: Main() Software Control Loop Flowchart for Lab 4
- Figure 3-16: Decide() Flowchart for Lab 4
- Figure 3-17: Results of Do_Output()
- 3.4 GPIO Input Labs
- 3.4.1 Reference Documentation
- 3.4.2 Equipment Required for GPIO Input Labs
- 3.4.3 PICDEM Lab Development Board Setup for GPIO Input Labs
- Figure 3-18: PICDEM Lab Schematic for GPIO Input Labs
- 3.4.4 Lab 5: Adding a Push Button
- Figure 3-19: Main() Software Control Loop Flowchart for Lab 5
- Figure 3-20: Get_Inputs() Software Flowchart for Lab 5
- Figure 3-21: Delay_5mS() Software Flowchart for Lab 5
- Figure 3-22: Decide() Software FlowChart for Lab 5
- 3.4.5 Lab 6: Push Button Interrupt
- Figure 3-23: Main() Software Control Loop Flowchart for GPIO Lab 6
- Figure 3-24: pb_pressISR() for Lab 6 Showing Switch Debounce
- 3.4.6 Lab 7: Push Button Interrupt-on-Change
- Figure 3-25: pb_pressisr Flowchart for Lab 7
- 3.4.7 Lab 8: Using Weak Pull-Ups
- Chapter 4. Comparator Peripheral Labs
- 4.1 Introduction
- 4.2 Comparator Labs
- 4.2.1 Reference Documentation
- 4.2.2 Comparator Labs
- 4.2.3 Equipment Required
- 4.2.4 Lab 1: Simple Compare
- Figure 4-1: Schematic for Comparator Lab 1
- Figure 4-2: Main() software Control Loop Flowchart for Comparator Lab 1
- 4.2.5 Lab 2: Using the Comparator Voltage Reference
- Equation 4-1: CVref Output Voltage
- Equation 4-2: Calculating a 2.5V Internal Reference (Low-Range Method)
- Figure 4-3: Schematic for Comparator Lab 2
- 4.2.6 Lab 3: Higher Resolution Sensor Readings Using a Single Comparator
- Figure 4-4: Basic Relaxation Oscillator Circuit
- Figure 4-5: Schematic for Comparator Lab 3
- Figure 4-6: Main() software Control Loop Flowchart for Comparator Lab 3
- Figure 4-7: TMR0_ISR Flowchart for Comparator Lab 3
- Chapter 5. Analog-to-Digital Converter Peripheral Labs
- 5.1 Introduction
- 5.2 ADC Labs
- Figure 5-1: Schematic for ADC Lab 1
- Figure 5-2: Main() software Control Loop Flowchart for Comparator Lab 1
- Figure 5-3: Main() software Control Loop Flowchart for Comparator Lab 1
- Figure 5-4: ADC Result Bit Significance
- Figure 5-5: Schematic for ADC Lab 2
- Figure 5-6: Main() software Control Loop Flowchart for ADC Lab 2
- Appendix A. Schematic
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PICDEM
TM
LAB DEVELOPMENT
BOARD USER’S GUIDE
© 2009 Microchip Technology Inc. DS41369A-page 91
Appendix A. Schematic
A.1 PICDEM LAB DEVELOPMENT KIT SCHEMATIC
J1
1
J2
DJ005B
2
D3
S1
V
CC
S1G
S1G
V
BAT
D5
3
270Ω
PWR ON
R5
0.1
U
F
D1
C1
3
1N4148WS
D2
U1
LM317MSTT3G
IN
OUT
OUT
ADJ
1
2
4
D4
R2
330Ω
1N4148WS
C7
22
U
F
J3
J4
J5
V
DD
1
V
DD
2
V
DD
3
PICkit™ Serial Header
Pin
I
2
C™
SPI
USART
1
2
3
4
5
6
_ _ _
+5V
GND
SDA
SCL
_ _ _
CS
+5V
GND
SDI
SCK
SDO
TX
+5V
GND
RX
_ _ _
_ _ _
PICkit™ Serial
J11
Receptical
J15
1
2
3
4
5
6
V
DD
V
DD
V
PP
GND
ICSPDAT
ICSPCLK
1
2
3
4
5
6
ICSP1
J6
1
2
3
4
5
6
J9
U2
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
8/14/20p MCU
V
SS
V
DD
RA5
RA4
RA3
RC5
RC4
RC3
RC6
RC7
RB7
RA0
RA1
RA2
RC0
RC1
RC2
RB4
RB5
RB6
1
2
3
4
5
6
7
8
9
10
0.1uF
C2
J8
1
2
3
4
5
6
7
8
9
10
CW
C6
10uF
R1
CCW
3352T-1-102
3
2
1
J7
2PHDR
Y1
C10
15pF
C11
15pF
32 kHz
BT1
9V
J26
2PHDR
V
BAT
J14
CDMG13008L-02-ND
J19
1
2
3
4
1
2
LS1
J10
0.1uF
C4
1
2
3
4
U5
1
2
3
4
NC
V
DD
GP2/T0CKI/COUT/FOSC4
GP1/ICSPCLK/CIN-
BP3/MCLR/V
PP
V
SS
NC
GP0/ICSPDAT/CIN+5
PIC10F204_206-I_P
6
7
8
5
1
2
3
4
1
2
3
4
5
6
J18
ICSP3
J13
V
PP
V
DD
GND
ICSPDAT
ICSPCLK
J17
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
U3
PIC_18P
RA2
RA3
RA4/TOCKI
MCLR
Vss
RB0/INT
RB1
RB2
RB3
RA1
RA0
OSC1/CLKIN
OSC2/CLKOUT
V
DD
RB7
RB6
RB5
RB4
18
17
16
15
14
13
12
11
10
C3
0.1uF
1
2
3
4
5
6
7
8
9
J16
ICSP2
J12
1
2
3
4
5
6
V
PP
V
DD
GND
ICSPDAT
ICSPCLK
VPP3
VDD3
ICSPDAT3
ICSPCLK3
VPP3
ICSPDAT3
V
DD3
ICSPCLK3
GP2-U5
V
DD
1
V
DD
2
V
DD
3
V
DD
1
ICSPDAT1
ICSPCLK1
RA2/RB2
RC0
RC1
RC2
RB4
RB5
RB6
RA5/RB5
RA4/RB4
RA3
RC5
RC4
RC3
RC6
RC7
RB7
V
PP
1
V
DD
1
ICSPDAT1
ICSPCLK1
SDO/RS
SCL/SCK
SDA/SDI
CS/TX
SP-
SP+
CP+
CN-
XT2
XT2
XT1
XT1
RB3
RB2
RB1
RB0
V
PP
2
RA4
RA3
RA2
RA1
RA0
OSC1
OSC2
ICSPDAT2
ICSPCLK2
U3_RB5
U3_RB4
V
DD
2
V
PP
2
V
DD
2
ICSPDAT2
ICSPCLK2