MICROCHIP DM330027 Operating instructions

 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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and may be superseded by updates. It is your responsibility to

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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.

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

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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

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• 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 .

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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

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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

#

Name

#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

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

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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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MICROCHIP DM330027 Operating instructions

MICROCHIP DM330027 Operating instructions

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