2019 Microchip Technology Inc. DS50002883A
dsPIC33EDV64MC205
Motor Control Development Board
User’s Guide
DS50002883A-page 2 2019 Microchip Technology Inc.
Information contained in this publication regarding device
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Trademarks
The Microchip name and logo, the Microchip logo, Adaptec,
AnyRate, AVR, AVR logo, AVR Freaks, BesTime, BitCloud, chipKIT,
chipKIT logo, CryptoMemory, CryptoRF, dsPIC, FlashFlex,
flexPWR, HELDO, IGLOO, JukeBlox, KeeLoq, Kleer, LANCheck,
LinkMD, maXStylus, maXTouch, MediaLB, megaAVR, Microsemi,
Microsemi logo, MOST, MOST logo, MPLAB, OptoLyzer,
PackeTime, PIC, picoPower, PICSTART, PIC32 logo, PolarFire,
Prochip Designer, QTouch, SAM-BA, SenGenuity, SpyNIC, SST,
SST Logo, SuperFlash, Symmetricom, SyncServer, Tachyon,
TempTrackr, TimeSource, tinyAVR, UNI/O, Vectron, and XMEGA
are registered trademarks of Microchip Technology Incorporated in
the U.S.A. and other countries.
APT, ClockWorks, The Embedded Control Solutions Company,
EtherSynch, FlashTec, Hyper Speed Control, HyperLight Load,
IntelliMOS, Libero, motorBench, mTouch, Powermite 3, Precision
Edge, ProASIC, ProASIC Plus, ProASIC Plus logo, Quiet-Wire,
SmartFusion, SyncWorld, Temux, TimeCesium, TimeHub,
TimePictra, TimeProvider, Vite, WinPath, and ZL are registered
trademarks of Microchip Technology Incorporated in the U.S.A.
Adjacent Key Suppression, AKS, Analog-for-the-Digital Age, Any
Capacitor, AnyIn, AnyOut, BlueSky, BodyCom, CodeGuard,
CryptoAuthentication, CryptoAutomotive, CryptoCompanion,
CryptoController, dsPICDEM, dsPICDEM.net, Dynamic Average
Matching, DAM, ECAN, EtherGREEN, In-Circuit Serial
Programming, ICSP, INICnet, Inter-Chip Connectivity, JitterBlocker,
KleerNet, KleerNet logo, memBrain, Mindi, MiWi, MPASM, MPF,
MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach,
Omniscient Code Generation, PICDEM, PICDEM.net, PICkit,
PICtail, PowerSmart, PureSilicon, QMatrix, REAL ICE, Ripple
Blocker, SAM-ICE, Serial Quad I/O, SMART-I.S., SQI,
SuperSwitcher, SuperSwitcher II, 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.
The Adaptec logo, Frequency on Demand, Silicon Storage
Technology, and Symmcom are registered trademarks 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.
© 2019, Microchip Technology Incorporated, All Rights Reserved.
ISBN: 978-1-5224-5225-6
For information regarding Microchip’s Quality Management Systems,
please visit www.microchip.com/quality.
2019 Microchip Technology Inc. DS50002883A-page 3
dsPIC33EDV64MC205 MOTOR CONTROL
DEVELOPMENT BOARD
USER’S GUIDE
Preface ........................................................................................................................... 5
Introduction............................................................................................................ 5
Document Layout .................................................................................................. 5
Conventions Used in this Guide ............................................................................ 6
Recommended Reading........................................................................................ 7
The Microchip Website.......................................................................................... 8
Product Change Notification Service..................................................................... 8
Customer Support ................................................................................................. 8
Document Revision History ................................................................................... 8
Chapter 1. Introduction.................................................................................................. 9
1.1 Overview ........................................................................................................ 9
1.2 Features ......................................................................................................... 9
1.3 Block Diagram .............................................................................................. 10
Chapter 2. Board Interface .......................................................................................... 11
2.1 Introduction ................................................................................................... 11
2.2 Board Connectors ........................................................................................ 11
2.3 User Interface Hardware .............................................................................. 17
Chapter 3. Hardware .................................................................................................... 23
3.1 Introduction ................................................................................................... 23
3.2 Hardware Sections of the Development Board ............................................ 23
Appendix A. Board Layout and Schematics.............................................................. 39
A.1 Introduction .................................................................................................. 39
A.2 Board Layout and Schematics ..................................................................... 39
Appendix B. Electrical Specifications........................................................................ 47
B.1 Introduction .................................................................................................. 47
Appendix C. Design Calculation................................................................................. 49
C.1 Introduction .................................................................................................. 49
C.2 Current Sensing Circuit ................................................................................ 49
C.3 Auxiliary Power Supply ................................................................................ 51
Worldwide Sales and Service .................................................................................... 54
Table of Contents
dsPIC33EDV64MC205 Motor Control Development Board User’s Guide
DS50002883A-page 4 2019 Microchip Technology Inc.
NOTES:
dsPIC33EDV64MC205 MOTOR CONTROL
DEVELOPMENT BOARD
USER’S GUIDE
2019 Microchip Technology Inc. DS50002883A-page 5
Preface
INTRODUCTION
This preface contains general information that will be useful to know before using the
dsPIC33EDV64MC205 Motor Control Development Board. Topics discussed in this
preface include:
•Document Layout
•Conventions Used in this Guide
•Recommended Reading
•The Microchip Website
•Product Change Notification Service
•Customer Support
•Document Revision History
DOCUMENT LAYOUT
The user’s guide describes the dsPIC33EDV64MC205 Motor Control Development
Board. The document is organized as follows:
•Chapter 1. “Introduction” – This chapter introduces the board and provides a
brief overview of its features.
•Chapter 2. “Board Interface” – This chapter provides information about the
board input and output interfaces.
•Chapter 3. “Hardware” – This chapter describes the hardware sections of
the board.
•Appendix A. “Board Layout and Schematics” – This appendix provides board
schematics and layout.
•Appendix B. “Electrical Specifications” – This appendix summarizes the
electrical specifications.
•Appendix C. “Design Calculation” – This appendix provides design calculations
for certain hardware sections.
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 website
(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
“DSXXXXXXXXA”, where “XXXXXXXX” 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.
dsPIC33EDV64MC205 Motor Control Development Board User’s Guide
DS50002883A-page 6 2019 Microchip Technology Inc.
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENTATION 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,
where N is the total number of
digits, R is the radix and n is a
digit.
4‘b0010, 2‘hF1
Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>
Courier New font:
Plain Courier New 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
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 braces 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)
{ ...
}
Preface
2019 Microchip Technology Inc. DS50002883A-page 7
RECOMMENDED READING
This user’s guide describes how to use the dsPIC33EDV64MC205 Motor Control
Development Board. The device-specific data sheet contains current information on
programming the specific microcontroller or Digital Signal Controller (DSC) devices. Other
useful documents are listed below. The following Microchip documents are available and
recommended as supplemental reference resources:
MPLAB® XC16 C Compiler User’s Guide (DS50002071)
This user’s guide describes how to use the 16-bit MPLAB® XC16 C Compiler. Please
visit www.microchip.com/compilers for more information.
MPLAB® X IDE User’s Guide (DS50002027)
This document describes how to set up the MPLAB® X IDE software and use it to
create projects and program devices.
MPLAB® XC16 Assembler, Linker and Utilities User’s Guide (DS50002106)
This user’s guide describes how to use GNU language tools to write code for 16-bit
applications.
Readme Files
For the latest information on using other tools, read the tool-specific Readme files in
the Readme subdirectory of the MPLAB® X IDE installation directory. The Readme files
contain updated information and known issues that may not be included in this
user’s guide.
dsPIC33EDV64MC205 Data Sheet (DS70005292)
This document provides device-specific information for the dsPIC33EDV64MC205,
16-Bit Digital Signal Controller with High-Speed PWM, Op Amps, Advanced Analog
and MOSFET Driver.
dsPIC33 Family Reference Manuals
Specific Family Reference Manuals (FRMs) are available for each module, which
explains the operation of the dsPIC® DSC MCU family architecture and peripheral
modules. The specifics of each device family are discussed in their data sheet.
To obtain any of these documents, visit the Microchip website at: www.microchip.com.
dsPIC33EDV64MC205 Motor Control Development Board User’s Guide
DS50002883A-page 8 2019 Microchip Technology Inc.
THE MICROCHIP WEBSITE
Microchip provides online support via our website at www.microchip.com. This website
is used as a means to make files and information easily available to customers.
Accessible by using your favorite Internet browser, the website 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
PRODUCT 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 website at www.microchip.com, click on Product
Change Notification and follow the registration instructions.
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 FAE for support. Local
sales offices are also available to help customers. A listing of sales offices and loca-
tions is included in the back of this document.
Technical support is available through the website at: http://support.microchip.com.
DOCUMENT REVISION HISTORY
Revision A (November 2019)
This is the initial released version of the document.
2019 Microchip Technology Inc. DS50002883A-page 9
dsPIC33EDV64MC205 MOTOR CONTROL
DEVELOPMENT BOARD
USER’S GUIDE
Chapter 1. Introduction
1.1 OVERVIEW
The dsPIC33EDV64MC205 Motor Control Development Board is a low-voltage,
motor control development board designed to demonstrate the features of the
dsPIC33EDV64MC205. This dsPIC® DSC is a 16-bit Digital Signal Controller featuring
high-speed PWM, op amps, advanced analog and a MOSFET gate driver.
In some instances of the document text, the dsPIC33EDV64MC205 Motor Control
Development Board is also referred to as ‘the development board’ to enhance readability.
The development board, shown in Figure 1-1, is targeted to drive a low-voltage
three-phase Permanent Magnet Synchronous Motor or Brushless DC motor
(PMSM/BLDC motor).
FIGURE 1-1: dsPIC33EDV64MC205 MOTOR CONTROL DEVELOPMENT BOARD
1.2 FEATURES
Key features of the development board are as follows:
• Three-Phase Motor Control Power Stage with the Following Electrical Specifications:
- Input DC voltage: 10V to 24 VDC
- Nominal phase RMS current: 10A at +25°C
• Motor Phase Current Sensing to Implement Field-Oriented Control of a
PMSM/BLDC Motor
• DC Bus Current Sensing for Overcurrent Protection
• DC Bus Voltage Sensing
dsPIC33EDV64MC205 Motor Control Development Board User’s Guide
DS50002883A-page 10 2019 Microchip Technology Inc.
• Hall Sensors/Quadrature Encoder Interface to Enable Sensor-Based
Motor Control Algorithms
• Debug Serial Interface (USB to UART) Based on Microchip Product MCP2200
• User Interface, such as LEDs, Potentiometer and Push Buttons
• Optional LIN Interface via a MCP2003B MikroElectronika Board
(www.mikroe.com) Plugged on to the mikroBUS™ Socket Provided on the Board
• On-Board Crypto Authentication IC ATECC508A to Allow an IoT-Based Motor
Control Application Demo
1.3 BLOCK DIAGRAM
The block diagram of the dsPIC33EDV64MC205 Motor Control Development Board is
shown in Figure 1-2.
FIGURE 1-2: BLOCK DIAGRAM OF THE DEVELOPMENT BOARD
For more information on electrical specifications, refer to Appendix B. “Electrical
Specifications”.
dsPIC®DSC
DC Voltage Sensing
Programming/
Debugging
Push Buttons/
LEDs
Speed
Reference
mikroBUS™
Socket
USB-UART
Interface
+5V
+3.3V
+1.65V
(VREF)
Phase and Bus Current Sensing
Three-Phase Inverter Bridge
Amplifier DC Bus/
Phase C Current
Three-Phase
Back-EMF
Motor
Connector
Input
Jack
I/P Supply
Connector
Communication
Interface
dsPIC33EDV64MC205
Interfaces
Auxiliary
Power Supply
DC+
(10V-24V)
M1_VDC
Current
Shunt
Feedback
MOSFET
Gate Driver
+3.3V LDO
+12V LDO
Hall Sensor/
Quadrature Encoder
Interface
Gate Driver
Inputs/Outputs
2019 Microchip Technology Inc. DS50002883A-page 11
dsPIC33EDV64MC205 MOTOR CONTROL
DEVELOPMENT BOARD
USER'S GUIDE
Chapter 2. Board Interface
2.1 INTRODUCTION
This chapter provides detailed information about the input and output interfaces available
on the dsPIC33EDV64MC205 Motor Control Development Board in the following sections:
•Board Connectors
•User Interface Hardware
2.2 BOARD CONNECTORS
This section summarizes the connectors on the development board. The connectors
are intended for:
• Supplying input power to the development board
• Delivering inverter outputs to the motor
• Interfacing motor position sensors, such as Hall sensor/Quadrature Encoder
• Enabling the user to program/debug
• Interfacing a click board™
• Establishing communication with the host PC
The connectors on the development board are shown in Figure 2-1 and summarized in
Ta b l e 2 - 1 .
dsPIC33EDV64MC205 Motor Control Development Board User’s Guide
DS50002883A-page 12 2019 Microchip Technology Inc.
FIGURE 2-1: CONNECTORS ON THE DEVELOPMENT BOARD
J7J9
J8
J1
J3
J2
J4
J5 J6
TABLE 2-1: CONNECTORS ON THE DEVELOPMENT BOARD
Connector
Designator
No. of
Pins Status Description
J1 6 Not Populated ICSP™ connector for programming the dsPIC® DSC
J2 6 Populated RJ11 connector for programming the dsPIC DSC
J3 6 Not Populated Hall sensor/Quadrature Encoder Interface connector
J4 5 Populated Isolated mini-USB port to establish an isolated serial
interface with the host PC
J5 5 Not Populated Isolated UART interface connections
J6 16 Populated mikroBUS™ socket for interfacing a click board™ with
the development board
J7 3 Populated Connector to deliver three-phase inverter outputs to the
motor
J8 2 Populated Terminal connector to supply DC input to the board
J9 3 Populated Jack plug to supply DC input to the board
Board Interface
2019 Microchip Technology Inc. DS50002883A-page 13
2.2.1 ICSP™ Header for Programmer/Debugger Interface (J1)
The 6-pin header J1 can be used for connecting the programmer/debugger, for
example, PICkit™ 4, for programming and debugging the dsPIC33EDV64MC205. This
is not populated by default. When needed, populate the connector with
Part Number 68016-106HLF or similar. The pin details are provided in Table 2-2.
2.2.2 RJ11 Connector for Programmer/Debugger Interface (J2)
The RJ11 connector J2 is provided on the development board to interface the
programmer/debugger, for example, MPLAB® ICD 3, REAL ICE™, etc., for program-
ming and debugging the dsPIC33EDV64MC205. Ta b l e 2 - 3 lists the pin connections
of J2.
2.2.3 Hall Sensor/Quadrature Encoder Interface (QEI) Connector (J3)
Hall sensors or Quadrature Encoders are used to detect the rotor position. Connector
J3 can be used to interface the Hall sensor/Quadrature Encoder of the motor driven by
the development board. This is not populated by default. When needed, populate the
connector with Part Number ED500/6DS or similar. Ta b l e 2 - 4 shows the pin description
of connector J3.
TABLE 2-2: PIN DESCRIPTION – CONNECTOR J1
Pin # Signal Name Description
1MCLR Device Master Clear (MCLR)
2DVDD Digital Supply Voltage
3 DGND Digital Ground
4 PGD Device Programming Data Line (PGD)
5 PGC Device Programming Clock Line (PGC)
6 No Connection —
TABLE 2-3: PIN DESCRIPTION – CONNECTOR J2
Pin # Signal Name Description
1MCLR Device Master Clear (MCLR)
2DVDD Digital Supply Voltage
3 DGND Digital Ground
4 PGD Device Programming Data Line (PGD)
5 PGC Device Programming Clock Line (PGC)
6 No Connection —
TABLE 2-4: PIN DESCRIPTION – CONNECTOR J3
Pin # Signal Name Description
1 +5V Hall Sensors/Quadrature Encoder Power Supply
2 DGND Digital Ground
3 M1_QE_A Hall Sensor A/Quadrature Encoder Phase A Feedback of Motor
4 M1_QE_B Hall Sensor B/Quadrature Encoder Phase B Feedback of Motor
5 M1_QE_INDEX Hall Sensor C/Quadrature Encoder Index Feedback of Motor
6 M1_QE_HOME Quadrature Encoder Home Signal Feedback of Motor
dsPIC33EDV64MC205 Motor Control Development Board User’s Guide
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2.2.4 Isolated USB Interface (J4)
The development board uses an on-board MCP2200 device (see U4 in Figure A-5) as
a bridge between the UART and the USB (see Ta b l e 2 - 5 ) for providing a host PC
interface.
2.2.5 Isolated UART Interface Header (J5)
An isolated UART interface header J5 is provided for connecting an external
UART-USB converter, or accessing UART signals, by disabling the MCP2200 device
(see U4 in Figure A-5). This is not populated by default. When needed, populate the
connector with Part Number TSW-10507-S-S or similar. Table 2-6 summarizes the pin
functions of connector J5.
Table 2-5: PIN DESCRIPTION – CONNECTOR J4
Pin # Signal Name Description
0 No Connection Body is Connected to GND_USB
1 +5V_USB USB Supply +5 VDC
2 USB_N USB Data-
3 USB_P USB Data+
4 No Connection —
5 GND_USB USB Ground
Table 2-6: PIN DESCRIPTION – CONNECTOR J5
Pin # Signal Name Description
1 5V_USB +5V Supply from External USB-UART Converter
2 MCU_TX Isolated UART Transmit Pin of dsPIC® DSC
3 MCU_RX Isolated UART Receive Pin of dsPIC DSC
4 GND_USB Ground Connection Provided by External USB-UART Converter
5 MCP2200_RST Setting this Pin Low (connecting to Ground) will Disable the
MCP2200 (U4)
Board Interface
2019 Microchip Technology Inc. DS50002883A-page 15
2.2.6 mikroBUS™ Socket for Interfacing Click Board™
The pin mapping between the microBUS socket and the dsPIC DSC is summarized in
Ta b l e 2 - 7 .
For more details, refer to Section 3.2.12 “mikroBUS™ Interface and Crypto
Authentication”.
.
2.2.7 Inverter Output Connector (J7)
The development board can drive a three-phase PMSM/BLDC motor. Motor control
inverter outputs are available on connector J7. Pin assignments for connector J7 are
shown in Ta b l e 2 - 8 .
Note 1: The ‘AN’ pin of the mikroBUS interface is not connected to any pin of the
dsPIC33EDV64MC205. Add or remove specified resistors to establish a
connection between a specific pin of the dsPIC33EDV64MC205 with the
mikroBUS. For more details, refer to Ta b l e 2 - 7 .
TABLE 2-7: PIN MAPPING – dsPIC33EDV64MC205 TO mikroBUS™
INTERFACE
mikroBUS™ dsPIC33EDV64MC205 dsPIC33EDV64MC205 and
mikroBUS Interface
Pin
#
Pin
Name
Pin
#Pin Function Resistor
Jumper
Default Resistor
Jumper Status
1 AN — — NA No Connection
2 RST 38 RPI24/SDA2/RA8 R9 Not Populated
3CS
27 PGED3/VREF-/C2IN1-/AN2/RPI32/
SS1/CTED2/RB0
R18 Not Populated
50 RP39/FLT32/INT0/RB7 R20 Not Populated
4 SCK 42 RPI51/SCK1/RC3 R32 Not Populated
5 MISO 41 RPI25/SDI1/RA9 R36 Not Populated
6MOSI 40CV
REF20/RP20/T1CK/SDO1/RA4 R16 Not Populated
7 +3.3V — — — Connected to DVDD
8 GND — — — Connected to DGND
9 GND — — — Connected to DGND
10 +5V — — — Connected to +5V
11 SDA 43 RPI52/SDA1/RC4 R28 Not Populated
12 SCL 44 RPI53/SCL1/RC5 R24 Not Populated
13 TX 52 RP41/ASDA1/RB9 R11 Populated
14 RX 51 CVREF10/RP40/ASCL1/T4CK/RB8 R12 Populated
15 INT 50 RP39/FLT32/INT0/RB7 R22 Not Populated
16 PWM 39 RP36/SCL2/RB4 R10 Not Populated
Table 2-8: PIN DESCRIPTION – CONNECTOR J7
Pin # Signal Name Description
1 PHASE C (PHC) Phase 3 output of inverter.
2 PHASE B (PHB) Phase 2 output of inverter.
3 PHASE A (PHA) Phase 1 output of inverter.
dsPIC33EDV64MC205 Motor Control Development Board User’s Guide
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2.2.8 Power Supply Connectors (J8, J9)
The dsPIC33EDV64MC205 Motor Control Development Board is designed to operate
in a DC voltage range of 10V to 24V. As shown in Figure 2-2, the development board
can be powered through either coaxial plug J8 or through terminal connector J9.
Connector J8 can carry current up to 2.5A and connector J9 can carry current up to
15A. Table 2-9 and Ta b l e 2- 1 0 summarize the pin assignments of connector J8 and J9,
respectively.
FIGURE 2-2: INPUT DC POWER SUPPLY CONNECTIONS
Auxiliary Power Supply
M1_VDC
dsPIC33EDV64MC205 Motor Control Development Board
J8
J9
PGND
2.5A
15A
Three-Phase Inverter
dsPIC33EDV64MC205
PGND
2
1
1
2
3
Note 1: The development board is designed to operate at a DC voltage range of 10V to 24V.
2: Always power the development board using only one connector, either J8 or J9.
(1,2)
Table 2-9: PIN DESCRIPTION – CONNECTOR J8
Pin # Signal Name Description
1M1_V
DC Positive input of the DC source.
2 PGND Ground connection of the DC source (PGND).
3 PGND Ground connection of the DC source.
Table 2-10: PIN DESCRIPTION – CONNECTOR J9
Pin # Signal Name Description
1 PGND(-) Ground connection of the DC source (PGND).
2 M1_VDC(+) Positive input of the DC source.
Board Interface
2019 Microchip Technology Inc. DS50002883A-page 17
2.3 USER INTERFACE HARDWARE
This section describes the LEDs, push buttons, potentiometer and test points available
on the development board.
2.3.1 LEDs
The LEDs provided on the development board are shown in Figure 2-3 and
summarized in Tab l e 2 - 11.
FIGURE 2-3: LEDs ON THE DEVELOPMENT BOARD
LD1
LD7
LD6
LD5
LD4
LD3 LD2
LD8
dsPIC33EDV64MC205 Motor Control Development Board User’s Guide
DS50002883A-page 18 2019 Microchip Technology Inc.
TABLE 2-11: LEDs
Sl. # Designator Description
1 LD1 Provided for debugging purposes.
2 LD2 Provided for debugging purposes.
3 LD3 Provided for debugging purposes.
This LED is not connected to the dsPIC® port pin by default. This can
only be used when the internal FRC is used in the application, and when
populating R19 and removing X1 and C8.
4 LD4 Provided for debugging purposes.
This LED is not connected to the dsPIC port pin by default. This can only
be used when the internal FRC is used in the application, and when
populating R19 and removing X1 and C8.
5 LD5 Power-on status indication for auxiliary supply output, DVDD (+3.3V).
6 LD6 Power-on status indication for auxiliary supply output, +5V.
7 LD7 USB transmit activity LED output.(1)
8 LD8 USB receive activity LED output.(1)
Note 1: Refer to the “MCP2200 Family Data Sheet” for more details.
Board Interface
2019 Microchip Technology Inc. DS50002883A-page 19
2.3.2 Push Buttons
The push buttons provided on the development board are shown in Figure 2-4 and
summarized in Tab l e 2 - 1 2.
The push buttons, SW1 and SW2, are provided to control motor operations; for
example, starting or stopping the motor, etc. The functions of these push buttons are
designated by the motor control application firmware.
FIGURE 2-4: PUSH BUTTONS ON THE DEVELOPMENT BOARD
TABLE 2-12: PUSH BUTTONS
Sl. # Designator Description
1 SW1 Push button provided for general purpose.
2 SW2 Push button provided for general purpose.
3 SW3 This push button is tied to the MCLR pin of dsPIC33EDV64MC205.
Pressing this button will reset the device.
4 SW4 This push button is tied to the WAKE pin of dsPIC33EDV64MC205.
Pressing this button will wake the MOSFET gate driver from Sleep
mode. To wake the device from Sleep mode, the WAKE pin must be held
low for at least 150 µs. Refer to the device data sheet for more details.
SW1
SW2
SW4
SW3
dsPIC33EDV64MC205 Motor Control Development Board User’s Guide
DS50002883A-page 20 2019 Microchip Technology Inc.
2.3.3 Potentiometer
The potentiometer on the development board (shown in Figure 2-5) is connected to
one of the analog inputs of the device and can be used for setting the speed reference.
FIGURE 2-5: POTENTIOMETER ON THE DEVELOPMENT BOARD
POT1
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