Curiosity Development Board User's Guide

Curiosity Development Board
User’s Guide
 2015-2016 Microchip Technology Inc.
DS40001804B
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
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and may be superseded by updates.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, KEELOQ, KEELOQ logo, Kleer,
LANCheck, MediaLB, MOST, MOST logo, MPLAB,
OptoLyzer, PIC, PICSTART, PIC32 logo, RightTouch, SpyNIC,
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.
© 2015-2016, Microchip Technology Incorporated, Printed in
the U.S.A., All Rights Reserved.
ISBN: 978-1-5224-0439-2
QUALITYMANAGEMENTSYSTEM
CERTIFIEDBYDNV
== ISO/TS16949==
DS40001804B-page 2
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® 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.
 2015-2016 Microchip Technology Inc.
Object of Declaration: Curiosity Development Board
 2015-2016 Microchip Technology Inc.
DS40001804B-page 3
Curiosity Development Board User’s Guide
NOTES:
DS40001804B-page 4
 2015-2016 Microchip Technology Inc.
CURIOSITY DEVELOPMENT BOARD
USER’S GUIDE
Table of Contents
Preface ........................................................................................................................... 7
Introduction............................................................................................................ 7
Document Layout .................................................................................................. 7
Conventions Used in this Guide ............................................................................ 8
Recommended Reading........................................................................................ 9
The Microchip Web Site ........................................................................................ 9
Development Systems Customer Change Notification Service ............................ 9
Customer Support ............................................................................................... 10
Revision History .................................................................................................. 10
Chapter 1. Introduction to Curiosity
1.1 Curiosity Development Board Kit Contents .................................................. 11
1.2 Curiosity Development Board Layout ........................................................... 12
1.3 Power Sources ............................................................................................. 13
1.3.1 USB Connector (J2) .................................................................................. 13
1.3.2 9V External Power Supply (J15) ............................................................... 13
1.3.3 Variable External Power Supply (TP3, TP4) ............................................. 13
Chapter 2. Getting Started
2.1 Programming the Curiosity Development Board .......................................... 15
Chapter 3. Troubleshooting
3.1 The Demo Application Does Not Run .......................................................... 19
3.2 The MCU Will Not Program Using The PKOB ............................................. 19
3.3 The MCU Will Not Program Using the PICKIT 3 .......................................... 19
Appendix A. Schematic
A.1 Curiosity Development Board Schematic .................................................... 21
Appendix B. General Notes
B.1 Power ........................................................................................................... 23
B.2 RN4020 Bluetooth® Low Energy (BLE) Module ........................................... 23
B.3 Click or RN4020 Modules ............................................................................ 23
B.4 Debugging Mode .......................................................................................... 23
B.5 Routing and Flexibility .................................................................................. 23
Worldwide Sales and Service .................................................................................... 24
 2015-2016 Microchip Technology Inc.
DS40001804B-page 5
Curiosity Development Board User’s Guide
NOTES:
DS40001804B-page 6
 2015-2016 Microchip Technology Inc.
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® IDE online help.
Select the Help menu, and then Topics to open a list of available online help files.
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® low-energy module and
the Click module, debugging, routing and flexibility of the board.
 2015-2016 Microchip Technology Inc.
DS40001804B-page 7
Curiosity Development Board User’s Guide
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
Emphasized text
...is the only compiler...
Initial caps
A window
the Output window
A dialog
the Settings dialog
A menu selection
select Enable Programmer
Quotes
A field name in a window or
dialog
“Save project before build”
Underlined, italic text with
right angle bracket
A menu path
File>Save
Bold characters
A dialog button
Click OK
A tab
Click the Power tab
N‘Rnnnn
A number in verilog format,
4‘b0010, 2‘hF1
where N is the total number of
digits, R is the radix and n is a
digit.
Text in angle brackets < >
A key on the keyboard
Press <Enter>, <F1>
Sample source code
#define START
Filenames
autoexec.bat
File paths
c:\mcc18\h
Keywords
_asm, _endasm, static
Command-line options
-Opa+, -Opa-
Bit values
0, 1
Courier New font:
Plain Courier New
DS40001804B-page 8
Constants
0xFF, ‘A’
Italic Courier New
A variable argument
file.o, where file can be
any valid filename
Square brackets [ ]
Optional arguments
mcc18 [options] file
[options]
Curly brackets and pipe
character: { | }
Choice of mutually exclusive
arguments; an OR selection
errorlevel {0|1}
Ellipses...
Replaces repeated text
var_name [,
var_name...]
Represents code supplied by
user
void main (void)
{ ...
}
 2015-2016 Microchip Technology Inc.
Preface
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® X IDE home page:
www.microchip.com/mplabx/. This resource page contains updated documentation,
downloads and links to other MPLAB X compatible tools, plug-ins and much more.
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® Plus and
PICkit 2 and 3.
 2015-2016 Microchip Technology Inc.
DS40001804B-page 9
Curiosity Development Board User’s Guide
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.
Revision B (April 2016)
Added the EU Declaration of Conformity.
DS40001804B-page 10
 2015-2016 Microchip Technology Inc.
CURIOSITY DEVELOPMENT BOARD
USER’S GUIDE
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
(VDD) connections. It also includes a set of indication LEDs, mTouch® button and
push-button switches, and a variable potentiometer. Additionally, it features a
Bluetooth® low-energy footprint and a mikroBUS™ footprint to accommodate a variety
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
™
mTouch®
Button
 2015-2016 Microchip Technology Inc.
DS40001804B-page 11
Curiosity Development Board User’s Guide
1.2
CURIOSITY DEVELOPMENT BOARD LAYOUT
Figure 1-2 identifies the major features of the Curiosity Development Board.
FIGURE 1-2:
1
CURIOSITY DEVELOPMENT BOARD LAYOUT
23
4
5
6
7
8
™
mTouch®
Button
13
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
DS40001804B-page 12
12
11
10
9
USB mini-B connector (on back)
Footprint for 9V connector
Master Clear Reset button
3.3/5V power jumper (J12)
Posts for external variable power supply
Expansion board connector
PIC® MCU socket for 8, 14, and 20-pin microcontrollers
mikroBUS™ Click Board footprint for application development
RN4020 Bluetooth® Module Footprint
Potentiometer
LEDs
mTouch® button
Push button
 2015-2016 Microchip Technology Inc.
Introduction to Curiosity
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 VDD 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 VDD.
 2015-2016 Microchip Technology Inc.
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NOTES:
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 2015-2016 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 > Project Properties, or by right-clicking on
the project name in the Projects window and clicking Properties. (Figure 2-1).
FIGURE 2-1:
SELECTING THE CURIOSITY DEVELOPMENT BOARD IN THE MPLAB® X IDE
 2015-2016 Microchip Technology Inc.
DS40001804B-page 15
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)
DS40001804B-page 16
 2015-2016 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
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Curiosity Development Board User’s Guide
NOTES:
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 2015-2016 Microchip Technology Inc.
CURIOSITY DEVELOPMENT BOARD
USER’S GUIDE
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 VBUS is detected.
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
to use the PICkit 3 as the programmer, and ensuring the LVP bit is set to '1'
in the Configuration Word. Reprogram the device.
b) Use an unprogrammed (blank) device and ensure the LVP bit is set to '1' in
the Configuration Word.
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.
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Curiosity Development Board User’s Guide
NOTES:
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 2015-2016 Microchip Technology Inc.
VBUS
DD+
ID
GND
J2
1
2
3
4
5
USB MINI-B Female
1
3
2
PJ-002BH-SMT
DNP
PGED
PGEC
GND
NMCLR
ICSP_VDD
X2
X3
HDR-2.54 Male 1X6 STAGGERD
1
2
3
4
5
6
X4
TACT SPST
X5
GND
S2
RUBBER PAD 0.50x0.50x0.23
RUBBER PAD 0.50x0.50x0.23
RUBBER PAD 0.50x0.50x0.23
RUBBER PAD 0.50x0.50x0.23
X1
P1
DNP
2
VCMP
VREF_2.5V
D_VBUS
0.1uF
25V
C16
+5V
0R
0402
13
12
11
10
19
18
17
4
3
2
+5V
VSS
S
GND
RC1
GND
VDD
10k
R46
RA5
C15 RA4
VDD
GND
RED
D4
1k
R40
DNP
J13
1k
GND
RED
D5
R41
J9
VDD
GND
RED
D6
1k
GND
RED
D7
1k
R43
HDR-2.54 Male 2x4
1
2
3
4
5
6
7
8
9
10
U4
GND
DNP
TP4
+3.3V
RC4
0R
0402
R34
1 2
J4
470R
R31
20
19
18
17
16
15
14
13
12
11
S1
J11
+3.3V
+5V
GND
TACT SPST
10k
R29
GND
PGED
PGEC
RA2
RC0
RC1
RC2
RB4
RB5
RB6
VIN
+3.3V
RB5
PGED
PGEC
R33
RC0
470R
0R
R32
0402
HDR-2.54 Male 1x2
J3
DNP
HDR-2.54 Female 2x10
PGED
PGEC
RA2
RC0
RC1
RC2
RB4
RB5
RB6
0.01uF
16V
C14
POWER_GOOD_PICKIT3
0.1uF
25V
C13
HDR-2.54 Female 1x6
DNP J7
10k
R27
VDD
GREEN
D1
1k
R26
DNP
HDR-2.54 Male 1x2
110-91-320-41-001
DNP
TP3
+3.3V
3 2 1
J12
HDR-2.54 Female 2x10
R42
1uF
16V
C12
HDR-2.54 Male 1x3
POWER
3
VDD
RA5
RA4
NMCLR
RC5
RC4
RC3
RC6
RC7
RB7
HDR-2.54 Male 1x2
+5V
+5V
2
VIN VOUT
GND
Q2
2 1
J5
1
DNP
0R
VDD
R60
GND
MCP6561
U16
1
1uF
16V
C11
MCP1703-3302E/DB
0.1uF NMCLR
25V RC5
RC4
D2
RC3
GREEN GND
RC6
RC7
RB7
470R
R35
Q5
0R
0603
FDN340P
R45
DNP
0.22uF
16V
+5V
C10
ICSP_VDD
OUTA
A
VDD
D
VDD
+A
A
-A
A
HDR-2.54 Male 1x2
DNP
J6
1 2
R44
10k
RB4
RB5
RB6
RB7
3
4
R37
PIC16F1619-I/P
RC0
RC1
RC2
RC3
RC4
RC5
RC6
RC7
VDD RA0/ICSPDAT
RA1/ICSPCLK
VSS
RA2
RA3/MCLR/VPP
RA4
RA5
@U4
3
S3
TM
mTouch
Button
16
15
14
7
6
5
8
9
20
1
U3
VBUS054B-HS3-GS08
V
DNP
470R
10k
R38
DNP
VIN VOUT
GND
U5
+9V
LM340MP-5.0
1
D_VBUS
C17
0.22uF
R39
+t
PTC3
VDD
VCMP
1210
500mA
GND
NMCLR
USB_D_N
USB_D_P
TP2 DNP
10k
R61
2k
0603
R59
US1M
D3
GND
POT1
GND
10k
10K
91A
20%
VDD
GND
1
2
3
4
5
6
7
8
DNP
DNP
J8
AIO2
AIO1
AIO0
RX
TX
WAKE_SW
CMD/MLDP
RSVD0
RSVD1
RSVD2
20
21
22
CMD/MLDP
RN4020
GND
J10
DNP
HDR-2.54 Male 2x4
DNP
RB5
RB6
RB4
RB7
0R
RB5
0R
RB6
0R
RB4
0R
RB7
RC5
RA2
RX
TX
SCL
SDA
+5V
HDR-2.54 Male 1x8
10
11
12
13
17
8
LED/PIO1/SCK
MLDP_EV/PIO2/CS
WS/PIO3/MOSI
PIO4/MISO
SPI/PIO
CMD/MLDP
5
RX
6
TX
14
CTS/PIO5
18
RTS/PIO6
15
RC0
7
WAKE_SW
1 2 3 4 5 6 7 8
UART_TX
UART_RX
CTS/PIO5
RTS/PIO6
WAKE_HW
WAKE_SW
DNP
J34 HDR-2.54 Female 1x8
+3.3V
RSVD2
RSVD1
RSVD0
PIO7
RTS/PIO6
SPI/PIO
J40
RX
SCL
SDA
TX
LED/PIO1/SCK
MLDP_EV/PIO2/CS
RSVD
WS/PIO3/MOSI
RSVD
PIO4/MISO
RSVD
SPI/PIO
AIO2
AIO1
AIO0
PIO7
+3.3V U6
23
VDD
1
GND
9
GND
16
4.7uF
GND
24
GND
2
3
4
19
R52
GND
16
15
14
13
12
11
10
9
RX
R56
SCL
R58
SDA
R54
TX
J35
PWM
INT
RX
TX
SCL
SDA
+5V
GND
DNP
GND J14
HDR-2.54 Male 1x8
HDR-2.54 Male 1x8
AIO2
AIO1
AIO0
PIO7
mikroBUS
MISO
SCK
MOSI
CS
MISO
SCK
MOSI
CS
R55
R53
R57
R51
GND
AN
RST
CS
SCK
MISO
MOSI
+3.3V
GND
J39 HDR-2.54 Male 2x4
RB4
RB6
RC7
RC6
C18
GND
DNP
J33 HDR-2.54 Female 1x8
0R
RB4
0R
RB6
0R
RC7
0R
RC6
RC2
RA4
CS
SCK
MISO
MOSI
+3.3V
1 2 3 4 5 6 7 8
VIN
(BUS POWERED)
3
TP1
7 5 3 1
8 6 4 2
J15
0
USB INTERFACE
6
5
4
1
2
3
5
2
2
RA5
19 17 15 13 11 9 7 5 3 1
20 18 16 14 12 10 8 6 4 2
1
0R
R47
PGEC
R48
0R
RC5
0R
RA2
19 17 15 13 11 9 7 5 3 1
20 18 16 14 12 10 8 6 4 2
R50
1
2
3
4
5
6
2 1
R49
1
3
5
7
2
4
6
8
0R
3
2
1
8 7 6 5 4 3 2 1
 2015-2016 Microchip Technology Inc.
LED/PIO1/SCK
MLDP_EV/PIO2/CS
WS/PIO3/MOSI
PIO4/MISO
CTS/PIO5
RC0
1 2 3 4 5 6 7 8
FIGURE A-1:
8 6 4 2
7 5 3 1
A.1
1 2 3 4 5 6 7 8
DNP
CURIOSITY DEVELOPMENT BOARD
USER’S GUIDE
Appendix A. Schematic
CURIOSITY DEVELOPMENT BOARD SCHEMATIC
CURIOSITY DEVELOPMENT BOARD SCHEMATIC
DS40001804B-page 21
Curiosity Development Board User’s Guide
Table A-1 lists the parts that are not included with the Curiosity Development Board.
TABLE A-1:
Item
PARTS NOT INCLUDED WITH THE CURIOSITY DEVELOPMENT BOARD
Manufacturing Part
Number
Manufacturer
CP-002BHPJDTR-ND
Description
J15
PJ-002BH-SMT
U5
LM340MP-5.0/NOPB TI
LM340MP-5.0/NOPBTR-ND IC REG LDO 5V 1A
SOT223
J33, J34
PPTC081LFBN-RC
Sullins Connector
Solutions
S7006-ND
CONN HEADER
FEMALE 8POS .1" TIN
J7
PPTC061LFBN-RC
Sullins Connector
Solutions
S7004-ND
CONN HEADER
FEMALE 6POS .1" TIN
J8, J10, J14
PRPC008SAAN-RC
Sullins Connector
Solutions
S1011EC-08-ND
CONN HEADER .100"
SNGL STR 8POS
J13, J39, J40
PRPC004DAAN-RC
Sullins Connector
Solutions
S2011EC-04-ND
CONN HEADER .100"
DUAL STR 8POS
J3, J4, J5, J6
PREC002SAAN-RC
Sullins Connector
Solutions
S1012EC-02-ND
CONN HEADER .100"
SNGL STR 2POS
DS40001804B-page 22
CUI Inc.
Digi-Key Part Number
CONN POWER JACK
2.5X5.5 mm HI CUR
 2015-2016 Microchip Technology Inc.
CURIOSITY DEVELOPMENT BOARD
USER’S GUIDE
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 is held in Reset for approximately five seconds.
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® Low Energy Module Command Reference User’s Guide
(DS70005191) for more information.
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.
 2015-2016 Microchip Technology Inc.
DS40001804B-page 23
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DS40001804B-page 24
 2015-2016 Microchip Technology Inc.
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