Microchip Technology Curiosity Development Board User guide

Curiosity Development Board
User’s Guide
2015 Microchip Technology Inc. DS40001804A
Note the following details of the code protection feature on Microchip devices:
YSTEM
CERTIFIE DBYDNV
== ISO/TS16949==
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 allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
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in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates.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. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights unless otherwise stated.
Trademarks
The Microchip name and logo, the Microchip logo, dsPIC, FlashFlex, flexPWR, JukeBlox, K LANCheck, MediaLB, MOST, MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC SST, SST Logo, SuperFlash and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.
The Embedded Control Solutions Company and mTouch are registered trademarks of Microchip Technology Incorporated in the U.S.A.
Analog-for-the-Digital Age, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, ECAN, In-Circuit Serial Programming, ICSP, Inter-Chip Connectivity, KleerNet, KleerNet logo, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, RightTouch logo, REAL ICE, SQI, Serial Quad I/O, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, 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.
Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries.
GestIC is a registered trademark of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries.
All other trademarks mentioned herein are property of their respective companies.
© 2015, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved.
ISBN: 978-1-63277-574-0
EELOQ, KEELOQ logo, Kleer,
32
logo, RightTouch, SpyNIC,
QUALITYMANAGEMENTS
DS40001804A-page 2  2015 Microchip Technology Inc.
Microchip received ISO/TS-16949:2009 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 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.
®
MCUs and dsPIC® DSCs, KEELOQ
®
code hopping
CURIOSITY DEVELOPMENT BOARD
USER’S GUIDE

Table of Contents

Preface ........................................................................................................................... 4
Introduction............................................................................................................ 4
Document Layout .................................................................................................. 4
Conventions Used in this Guide ............................................................................ 5
Recommended Reading........................................................................................ 6
The Microchip Web Site ........................................................................................ 6
Development Systems Customer Change Notification Service ............................ 6
Customer Support ................................................................................................. 7
Revision History .................................................................................................... 7
Chapter 1. Introduction to Curiosity
1.1 Curiosity Development Board Kit Contents .................................................... 8
1.2 Curiosity Development Board Layout ............................................................. 9
1.3 Power Sources ............................................................................................. 10
1.3.1 USB Connector (J2) .................................................................................. 10
1.3.2 9V External Power Supply (J15) ............................................................... 10
1.3.3 Variable External Power Supply (TP3, TP4) ............................................. 10
Chapter 2. Getting Started
2.1 Programming the Curiosity Development Board .......................................... 11
Chapter 3. Troubleshooting
3.1 The Demo Application Does Not Run .......................................................... 14
3.2 The MCU Will Not Program Using The PKOB ............................................. 14
3.3 The MCU Will Not Program Using the PICKIT 3 .......................................... 14
Appendix A. Schematic
A.1 Curiosity Development Board Schematic .................................................... 15
Appendix B. General Notes
B.1 Power ........................................................................................................... 17
B.2 RN4020 Bluetooth
B.3 Click or RN4020 Modules ............................................................................ 17
B.4 Debugging Mode .......................................................................................... 17
B.5 Routing and Flexibility .................................................................................. 17
®
Low Energy (BLE) Module ........................................... 17
Worldwide Sales and Service .................................................................................... 18
2015 Microchip Technology Inc. DS40001804A-page 3
CURIOSITY DEVELOPMENT BOARD
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 Select the Help menu, and then Topics to open a list of available online help files.
®
IDE online help.
INTRODUCTION
This chapter contains general information that will be useful to know before using the Curiosity Development Board. Items discussed in this chapter include:
• Document Layout
• Conventions Used in this Guide
• Recommended Reading
• The Microchip Web Site
• Development Systems Customer Change Notification Service
• Customer Support
• Revision History
DOCUMENT LAYOUT
This document describes how to use the Curiosity Development Board as a development tool to emulate and debug firmware on a target board. The document is organized as follows:
• Chapter 1. “Introduction to Curiosity” – This chapter contains general
information regarding the Curiosity Development Board kit contents, layout and power source.
• Chapter 2. “Getting Started” – This chapter offers information on how to
program the Curiosity Development Board.
• Chapter 3. “Troubleshooting” – Consult this chapter for troubleshooting
information.
• Appendix A. “Schematic” – This appendix lists the Curiosity Development
Board schematic.
Appendix B. “General Notes” – Refer to this appendix for general notes on
power options, configuration of the RN4020 Bluetooth the Click module, debugging, routing and flexibility of the board.
®
low-energy module and
2015 Microchip Technology Inc. DS40001804A-page 4
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENT CONVENTIONS
Description Represents Examples
Arial font:
Italic characters Referenced books MPLAB IDE User’s Guide
Initial caps A window the Output window
Quotes A field name in a window or
Underlined, italic text with right angle bracket
Bold characters A dialog button Click OK
N‘Rnnnn A number in verilog format,
Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>
Courier New font:
Plain Courier New Sample source code #define START
Italic Courier New A variable argument file.o, where file can be
Square brackets [ ] Optional arguments mcc18 [options] file
Curly brackets and pipe character: { | }
Ellipses... Replaces repeated text var_name [,
Preface
Emphasized text ...is the only compiler...
A dialog the Settings dialog
A menu selection select Enable Programmer
“Save project before build”
dialog
A menu path File>Save
A tab Click the Power tab
4‘b0010, 2‘hF1 where N is the total number of digits, R is the radix and n is a digit.
Filenames autoexec.bat
File paths c:\mcc18\h
Keywords _asm, _endasm, static
Command-line options -Opa+, -Opa-
Bit values 0, 1
Constants 0xFF, ‘A’
any valid filename
[options]
Choice of mutually exclusive arguments; an OR selection
Represents code supplied by user
errorlevel {0|1}
var_name...]
void main (void)
{ ...
}
2015 Microchip Technology Inc. DS40001804A-page 5
Curiosity Development Board User’s Guide
RECOMMENDED READING
This user's guide describes how to use the Curiosity Development Board. For the latest information on using other tools, refer to the MPLAB
www.microchip.com/mplabx/. This resource page contains updated documentation,
downloads and links to other MPLAB X compatible tools, plug-ins and much more.
®
X IDE home page:
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, sample programs
and labs, design resources, user's guides and hardware support documents, latest software releases and archived software Curiosity-Development-board specific product support can be accessed via our website at www.microchip.com/curiosity.
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, assemblers, linkers
and other language tools. These include all MPLAB C compilers; all MPLAB assemblers (including MPASM™ assembler); all MPLAB linkers (including MPLINK™ object linker); and all MPLAB librarians (including MPLIB™ object librarian).
Emulators – The latest information on Microchip in-circuit emulators.This
includes the MPLAB REAL ICE™ and MPLAB ICE 2000 in-circuit emulators.
In-Circuit Debuggers – The latest information on the Microchip in-circuit
debuggers. This includes MPLAB ICD 3 in-circuit debuggers and PICkit™ 3 debug express.
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 IDE Project Manager, MPLAB Editor and MPLAB SIM simulator, as well as general editing and debugging features.
Programmers – The latest information on Microchip programmers. These include
production programmers such as MPLAB REAL ICE in-circuit emulator, MPLAB ICD 3 in-circuit debugger and MPLAB PM3 device programmers. Also included are nonproduction development programmers such as PICSTART PICkit 2 and 3.
®
Plus and
®
DS40001804A-page 6  2015 Microchip Technology Inc.
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.
Technical support is available through the web site at:
www.microchip.com/support.
REVISION HISTORY
Revision A (July 2015)
Initial release of this document.
Preface
2015 Microchip Technology Inc. DS40001804A-page 7
CURIOSITY DEVELOPMENT BOARD
mTouch®
Button

Chapter 1. Introduction to Curiosity

The Curiosity Development Board supports Microchip's 8-, 14- and 20-pin 8-bit PIC® MCUs. Dual-row expansion headers on either side of the socket offer flexibility of connectivity to all pins on the PIC MCUs. This board provides flexibility for experimentation through an application header with ground (GND) and supply voltage (V
DD) connections. It also includes a set of indication LEDs, mTouch
push-button switches, and a variable potentiometer. Additionally, it features a Bluetooth of plug-in Click™ Board sensors that can be used in application development.

1.1 CURIOSITY DEVELOPMENT BOARD KIT CONTENTS

The Curiosity Development Board kit contains the following:
• Curiosity Development Board
• Quick Start Guide

FIGURE 1-1: CURIOSITY DEVELOPMENT BOARD KIT

®
low-energy footprint and a mikroBUS™ footprint to accommodate a variety
USER’S GUIDE
®
button and
2015 Microchip Technology Inc. DS40001804A-page 8
Introduction to Curiosity
mTouch®
Button
21
3
5
6 7
8
910
1112
13
1. USB mini-B connector (on back)
2. Footprint for 9V connector
3. Master Clear Reset button
4. 3.3/5V power jumper (J12)
5. Posts for external variable power supply
6. Expansion board connector
7. PIC
®
MCU socket for 8, 14, and 20-pin microcontrollers
8. mikroBUS™ Click Board footprint for application development
9. RN4020 Bluetooth
®
Module Footprint
10. Potentiometer
11. LE D s
12. mTouch
®
button
13. Push button
4

1.2 CURIOSITY DEVELOPMENT BOARD LAYOUT

Figure 1-2 identifies the major features of the Curiosity Development Board.

FIGURE 1-2: CURIOSITY DEVELOPMENT BOARD LAYOUT

2015 Microchip Technology Inc. DS40001804A-page 9
Curiosity Development Board User’s Guide

1.3 POWER SOURCES

The Curiosity Development Board can be powered in one of three ways, depending on its usage.

1.3.1 USB Connector (J2)

The USB connector (J2) will power the entire Curiosity Development Board. A shunt jumper must be placed onto jumper J12 (Figure 1-2). The right two pins of J12 will connect +5V from the USB connector J2. The left two pins of J12 will connect +3.3V from the USB voltage regulator on the back side of the development board. With USB power connected to J2, power LED D1 will always be ON to indicate that +3.3V is available on the board.

1.3.2 9V External Power Supply (J15)

The 9V external power supply (J15) will also power the entire Curiosity Development Board. A shunt jumper must be placed onto jumper J12 (Figure 1-2). The right two pins of J12 will connect +5V from the on-board voltage regulator circuitry connected to connector J15. The left two pins of J12 will connect +3.3V from the on-board voltage regulator circuitry. With 9V external power connected to J15, power LED D1 will always be ON to indicate that +3.3V is available on the board. Power LED D2 will only be ON when power (+3.3V or +5V) is applied to V
DD via a shunt jumper placed on J12.

1.3.3 Variable External Power Supply (TP3, TP4)

A variable external power supply connected to TP3 and TP4 will power the entire Curiosity Development Board. A shunt jumper is not needed on J12, thus either +3.3V or +5V can be directly applied via a variable external power supply to V
DD.
DS40001804A-page 10  2015 Microchip Technology Inc.
CURIOSITY DEVELOPMENT BOARD
USER’S GUIDE

Chapter 2. Getting Started

The Curiosity Development Board must be used with MPLAB X Integrated Development Environment (IDE), available free on Microchip's web site,
www.microchip.com. Use version v3.05 or later.
The Curiosity Development Board, through MPLAB X, is a low-voltage in-circuit debugger, as well as a low-voltage programmer, for all supported devices. In-circuit debugging allows the user to run, examine and modify programs for the supported device embedded in the Curiosity hardware. This facilitates the debugging of firmware and hardware concurrently. Use the Curiosity Development Board with MPLAB X IDE to run, stop and single-step through programs –breakpoints can be set and the processor can be reset. When the processor stops, the contents of the register are available for examination and modification.

2.1 PROGRAMMING THE CURIOSITY DEVELOPMENT BOARD

After connecting the Curiosity Development Board to the computer using the on-board USB connector (J2 on the back of the board), open the MPLAB X IDE. Then create a new project or open an existing project. Click on the Project Properties icon located in the project's Dashboard window (Figure 2-1). Alternatively, the Project Properties window can be opened by clicking on File the project name in the Projects window and clicking Properties. (Figure 2-1).
> Project Properties, or by right-clicking on
FIGURE 2-1: SELECTING THE CURIOSITY DEVELOPMENT BOARD IN THE MPLAB
®
X IDE
2015 Microchip Technology Inc. DS40001804A-page 11
Curiosity Development Board User’s Guide
MPLAB X refers to the Curiosity Development Board as “Starter Kits (PKOB)”, with “Curiosity” listed below. Click on Curiosity, the correct device and XC8 compiler version being used, then click Apply (Figure 2-2). On the upper left hand corner of the Properties window, click on Starter Kit (PKOB) (Figure 2-3). The window will change to the Options for Starter Kit (PKOB) window (Figure 2-3).

FIGURE 2-2: CURIOSITY DEVELOPMENT BOARD CONFIGURATION

FIGURE 2-3: PROGRAM OPTIONS FOR STARTER KIT (PKOB)

DS40001804A-page 12  2015 Microchip Technology Inc.
Getting Started
Note: When using the PKOB for programming, the Low Voltage Programming
(LVP) bit of the Configuration Word(s) must be set (LVP = ON or '1').
Select options category “Program Options” and then “Enable Low Voltage Programming,” if it is not already selected. Click Apply, then OK (Figure 2-3). Once the project is finished, the microcontroller is ready to be programmed. Simply click on the Make and Program Device Main Project button and the device will be programmed (Figure 2-4).

FIGURE 2-4: PROGRAMMING THE DEVICE ON THE CURIOSITY DEVELOPMENT BOARD

2015 Microchip Technology Inc. DS40001804A-page 13
CURIOSITY DEVELOPMENT BOARD

Chapter 3. Troubleshooting

This chapter discusses common operational issues and how to resolve them.

3.1 THE DEMO APPLICATION DOES NOT RUN

Curiosity Development Board must be plugged into a powered USB hub, computer, or other USB host device. To run the application, ensure the conditions listed below are met:
1. Start by plugging it into the USB device port, J2. LEDs D1 and D2 should light when V
2. If D1 is not lit, verify that the USB host side port is functional.
3. If D2 is not lit, verify that jumper J12 is connected to the proper device voltage.

3.2 THE MCU WILL NOT PROGRAM USING THE PKOB

The Curiosity Development Board's PICkit on board (PKOB) uses low-voltage programming. The demo application code sets the Low Voltage Programming (LVP) bit to a '1', allowing low-voltage programming.
1. When using custom firmware, the LVP bit must be set to '1' in the Configuration Word. MPLAB X will not allow programming using the PKOB unless the bit is properly configured.
2. When using a PIC microcontroller (one not included with the Curiosity Development Board) that has already been programmed using high-voltage programming and the LVP bit cleared (LVP = OFF or '0'), the device will not be recognized and cannot be programmed using the PKOB. Reprogramming the device can be achieved by one of the following two methods:
a) Connect a PICkit 3 Programmer to the Curiosity board, configuring MPLAB
b) Use an unprogrammed (blank) device and ensure the LVP bit is set to '1' in
BUS is detected.
to use the PICkit 3 as the programmer, and ensuring the LVP bit is set to '1' in the Configuration Word. Reprogram the device.
the Configuration Word.
USER’S GUIDE

3.3 THE MCU WILL NOT PROGRAM USING THE PICkit 3

If the PIC device will not program using the PICkit 3, ensure that the 3.3/5V jumper (J12) is removed.
2015 Microchip Technology Inc. DS40001804A-page 14
CURIOSITY DEVELOPMENT BOARD
D O2IO1IO0 A
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Appendix A. Schematic

A.1 CURIOSITY DEVELOPMENT BOARD SCHEMATIC

FIGURE A-1: CURIOSITY DEVELOPMENT BOARD SCHEMATIC

USER’S GUIDE
DNP
TP1
MCP1703-3302E/DB
DNP
LM340MP-5.0
U5
+9V
US1M
D3
VIN
J15
Q2
+5V
+5V
3
VOUT
VIN
1
R59
DNP
DNP
+3.3V
+3.3V
3
VOUT
VIN
1
C16
2
GND
C17
2k
0603
231
PJ-002BH-SMT
GND
0.1uF
VCMP
HDR-2.54 Female 1x8
J34
HDR-2.54 Female 1x8
J33
C14
C13
C12
C11
C10
25V
0.22uF
DNP
TX
RX
SCL
RC5
RA2
SDA
11
16
14
10
12
13
15
TX
RX
INT
SCL
SDA
PWM
AN1RST2CS3SCK4MISO5MOSI6+3.3V7GND
CS
RC2
RA4
SCK
MISO
MOSI
0.01uF
16V
0.1uF
25V
POWER_GOOD_PICKIT3
10k
R27
D1
1k
R26
1uF
16V
2
1uF
16V
0.22uF
16V
GND
10k
R61
DNP
TP2
+5V+3.3V
9
+5V
8
GREEN
DNP
1234567 8
RB4
SDA
MOSI
RC7
+3.3V
1
DNP
+5V
OUTA
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8
J40
TX
CS
8
RC6
6 5 4 3 2 1
TP4
R60
VSS
4 5 6
HDR-2.54 Male 2x4
DNP DNP
HDR-2.54 Male 2x4
J39
DNP DNP
+3.3V
+5V
VIN
DNP
TP3
VDD
10k
GND
2
GND
+A3-A
VCMP
VBUS054B-HS3-GS08
U3
DNP
J10
12345678
J8
GND
GND
3 2 1
RB6
RB4
RB5
RB7
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J35
mikroBUS
GND GND
0603
FDN340P
1210
USB MINI-B Female
500mA
0R
R520RR540RR560RR58
RX
MISO
RB4
POWER
2
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J2
SCL
SCK
RB6
D_VBUS +5V
D_VBUS
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HDR-2.54 Male 1x3
+t
USB_D_N
3
2
D-
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1234567
RX
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RC6
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123
1
MCP6561
U16
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5
4
USB_D_P
4
5
ID
D+
SCL
SCK
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HDR-2.54 Female 1x6
J7
DNP
VDD
VREF_2.5V
GND
1234567 8
GND
1234567 8
0R
R45
HDR-2.54 Male 1x8
WAKE_SW
CMD/MLDP
LED/PIO1/SCK
WS/PIO3/MOSI
MLDP_EV/PIO2/CS
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8
15
7
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KE_
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WAKE_SW
W
WAKE_HW
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4
24
AIO0
AIO1
AIO2
GND
HDR-2.54 Female 2x10
110-91-320-41-001
RC5
HDR-2.54 Female 2x10
RA2
PGEC
RA5
GND
RC214RC115RC0
16
GND
PGEC
PGED
6
HDR-2.54 Male 1X6 STAGGERD
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11
12
13
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3
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PI
PI
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PIO719RSVD20RSVD21RSVD
PIO7R
PIO7
RSVD0
RSVD1
VDD
RC0
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DNP
HDR-2.54 Male 1x2
HDR-2.54 Male 2x4
R49
R48
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J13
13
RC55RC46RC37RC68RC7
9
SPI/PIO
17
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RN4020
22
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10k
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78 56 34 112
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X1 X2 X3 X4
POT1
2
2
R32
0402
TACT SPST
RC4
91A
10K
10k
HDR-2.54 Male 1x2
GND
470R
R34
0R
0R
RUBBER PAD 0.50x0.50x0.23
20%
1 3
1 3
470R
0402
0R
1k
R43
1k
R42
1k
R41
1k
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R44
R37
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RUBBER PAD 0.50x0.50x0.23
RUBBER PAD 0.50x0.50x0.23
RUBBER PAD 0.50x0.50x0.23
GND
RED
D7
RED
D6
RED
D5
RED
D4
GND GND GND GND
12
DNP
J6
HDR-2.54 Male 1x2
0R
0402
10k
TM
Button
mTouch
S3
CTS/PIO5
RTS/PIO6
TX
DNP
1234567 8
HDR-2.54 Male 1x8
J14
GND GND
GND
PGED
PGEC
RC0
PGEC
PGED
12345678910111213141516171819
J11
RC0
RA2 RA2
PGEC
PGED
1615141312
17
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RX
5
6
14
18
5
TX
PI
RT
RT_RX
T CTS/PIO5
UART_TX
U
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U
N
N
GND1AIO22AIO13AIO0
GND
VDD23GND
U6
9
16
+3.3V
C18
RB5
RC1
RC2
RB4
RB5
RB6
20
RB4
RB5
RB6
RC1
RC2
11
6
PI
RTS/PIO6
RT
N GND
4.7uF
PIO7
RSVD0
RSVD1
RSVD2
+3.3V
SPI/PIO
RTS/PIO6
RC0 CTS/PIO5 PIO4/MISO WS/PIO3/MOSI MLDP_EV/PIO2/CS LED/PIO1/SCK
AIO0
AIO1
AIO2
WAKE_SW
CMD/MLDP
TX
RX
HDR-2.54 Male 1x8
GND
U4
45678
9
123
VDD
12345678910111213141516171819
J9
12
J5
HDR-2.54 Male 1x2
R46
ICSP_VDD
10k
R38
VDD
0R
VDD
VDD
470R
R35
VDD
GND
TACT SPST
S2
470R
R39
NMCLR
DNP
VDD
RA4
RA5
RA4
RA5
C15
@U4
(BUS POWERED)
RC4
RC5
NMCLR
NMCLR
RC4
RC5
0.1uF
25V
17
19
18
RA2
RA0/ICSPDAT
RA1/ICSPCLK
VDD
VSS
1
20
DNP
10
RC3
RC6
20
RC7 RC7
RB7 RB7
RC3
RC6
GND
GREEN
D2
3
4
RA52RA4
RA3/MCLR/VPP
ICSP_VDD
NMCLR
12345
P1
USB INTERFACE
2015 Microchip Technology Inc. DS40001804A-page 15
Curiosity Development Board User’s Guide
Ta bl e A- 1 lists the parts that are not included with the Curiosity Development Board.

TABLE A-1: PARTS NOT INCLUDED WITH THE CURIOSITY DEVELOPMENT BOARD

Item
J15 PJ-002BH-SMT CUI Inc. CP-002BHPJDTR-ND CONN POWER JACK
U5 LM340MP-5.0/NOPB TI LM340MP-5.0/NOPBTR-ND IC REG LDO 5V 1A
J33, J34 PPTC081LFBN-RC Sullins Connector
J7 PPTC061LFBN-RC Sullins Connector
J8, J10, J14 PRPC008SAAN-RC Sullins Connector
J13, J39, J40 PRPC004DAAN-RC Sullins Connector
J3, J4, J5, J6 PREC002SAAN-RC Sullins Connector
Manufacturing Part
Number
Manufacturer Digi-Key Part Number Description
2.5X5.5 mm HI CUR
SOT223
S7006-ND CONN HEADER
Solutions
S7004-ND CONN HEADER
Solutions
S1011EC-08-ND CONN HEADER .100"
Solutions
S2011EC-04-ND CONN HEADER .100"
Solutions
S1012EC-02-ND CONN HEADER .100"
Solutions
FEMALE 8POS .1" TIN
FEMALE 6POS .1" TIN
SNGL STR 8POS
DUAL STR 8POS
SNGL STR 2POS
DS40001804A-page 16  2015 Microchip Technology Inc.
CURIOSITY DEVELOPMENT BOARD

Appendix B. General Notes

B.1 POWER

When the Curiosity board is USB-powered though a 5V supply rather than a USB port on a computer, MCLR

B.2 RN4020 BLUETOOTH® LOW ENERGY (BLE) MODULE

1. The RN4020 Bluetooth Low Energy (BLE) module must be configured before use. This can be achieved by either of the following methods:
a) Connecting the UART TX and RX lines to an external UART-to-USB bridge,
such as the MCP2200, and using a terminal program to communicate with and program the BLE module
b) Writing custom firmware and programming the BLE module through the PIC
MCU.
2. The Wake_HW line (pin 15 of the RN4020) was not connected, but is now recommended. This line must be connected for proper BLE functionality. See the
RN4020 Bluetooth
(DS70005191) for more information.
is held in Reset for approximately five seconds.
®
Low Energy Module Command Reference User’s Guide
USER’S GUIDE

B.3 CLICK OR RN4020 MODULES

Shared UART TX and RX lines supply connection to either the RN4020 BLE module or a Click module (which uses UART for communication with the PIC MCU), but not both.

B.4 DEBUGGING MODE

During Debug mode, LED D5 is not available to the user. This was done to provide out-of-the-box LED access to Microchip’s 8-pin MCUs. There are zero-ohm-resistors in series that can be removed to allow connection to another pin, if desired.

B.5 ROUTING AND FLEXIBILITY

Pinouts to the various connections provide connectivity to many devices. With zero-ohm-resistors in series to all connections, i.e., the mikroBUS™, TouchPad, and LEDs, the board can be modified for many situations without cutting the printed circuit board (PCB) traces.
2015 Microchip Technology Inc. DS40001804A-page 17

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01/27/15
2015 Microchip Technology Inc. DS40001804A-page 18
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