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Microchip Technology dsPICDEM MCSM Скачать руководство пользователя страница 17

dsPICDEM™ MCSM

DEVELOPMENT BOARD

USER’S GUIDE

©

2009 Microchip Technology Inc.

DS70610A-page 17

Chapter 3. Hardware

This chapter describes the hardware used in the dsPICDEM MCSM Development
Board. Topics covered include:
• Hardware Architecture
• PIM Configuration
• Board Connectors
• User Interface Hardware

3.1

HARDWARE ARCHITECTURE

The dsPIC DSC devices feature an 8-channel, high-speed PWM with Complementary
mode output, a programmable ADC trigger on the PWM reload cycle, digital dead time
control, internal shoot-through protection and hardware fault shutdown.
These features make the dsPIC DSC an ideal solution for high-performance stepper
motor control applications where full control of the full-bridge inverter is required.
Figure 3-1 provides a simplified block diagram of the development board hardware.

FIGURE 3-1:

dsPICDEM MCSM DEVELOPMENT BOARD BLOCK DIAGRAM

dsPIC33FJXXXMCXXX

PIM

Drivers

IMOTOR1

FAULT

IMOTOR2

Safe Current

Level

Amplifier

Amplifier

Comparator

PWM1H1

DC_BUS

24 VDC

BP1
BP2

J5

J7

J6

15V

3.3V

Regulator

Regulator

PWM1L1
PWM1H2
PWM1L2
PWM1H3
PWM1L3
PWM2H1
PWM2L1

M1

M2

M3

M4

J8

M

UART

to

USB

USB

J4

ICD2

J1/J2

3.3V

POT

S1

DC_BUS

M1

M2

M3

M4

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Содержание dsPICDEM MCSM

Страница 1: ...2009 Microchip Technology Inc DS70610A dsPICDEM MCSM Development Board User s Guide Downloaded from Arrow com...

Страница 2: ...ted in the U S A All other trademarks mentioned herein are property of their respective companies 2009 Microchip Technology Incorporated Printed in the U S A All Rights Reserved Printed on recycled pa...

Страница 3: ...Chapter 2 Getting Started 2 1 Board Setup 15 2 2 Programming and Debugging Application Code 16 Chapter 3 Hardware 3 1 Hardware Architecture 17 3 2 PIM Configuration 20 3 3 Board Connectors 24 3 4 Use...

Страница 4: ...dsPICDEM MCSM Development Board User s Guide DS70610A page 4 2009 Microchip Technology Inc NOTES Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Страница 5: ...pter describes the hardware on the dsPICDEM MCSM Development Board Chapter 4 Troubleshooting This chapter provides information for troubleshooting problems encountered while using the dsPICDEM MCSM De...

Страница 6: ...ware layout as well as schematic diagrams for the dsPICDEM MCSM Development Board Appendix B Electrical Specifications This appendix provides pertinent electrical specifications for the dsPICDEM MCSM...

Страница 7: ...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 ST...

Страница 8: ...IM Information Sheet DS70314 This document provides device specific information for the dsPIC33FJ12MC202 PIM device The dsPIC33FJ12MC202 is a high performance 16 bit digital signal controller within a...

Страница 9: ...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 prod...

Страница 10: ...r FAE for support Local sales offices are also available to help customers A listing of sales offices and locations is included in the back of this document Technical support is available through the...

Страница 11: ...tures What s Included Reference Documents and Webinars 1 1 OVERVIEW Figure 1 1 shows a photograph of the dsPICDEM MCSM Development Board A dsPIC33F device uses the MOSFET driver to drive the two full...

Страница 12: ...PMENT BOARD Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downlo...

Страница 13: ...rcurrent Communication Ports UART communication via USB J4 Built in power supplies 15V power supply maximum power available 11 W 3 3V power supply maximum power available 2 W Power supply connectors 2...

Страница 14: ...nearest Microchip sales office which is listed on the last page of this manual 1 4 REFERENCE DOCUMENTS AND WEBINARS In addition to the documents listed in the Recommended Reading section the followin...

Страница 15: ...than the power rating of the board as shown in Appendix B Electrical Specifications Also make sure the configuration resistors are correct for the firmware and the specific dsPIC DSC device mounted on...

Страница 16: ...that the dsPIC33FJ32MC204 device or an appropriate PIM is mounted in the respective socket 3 Connect the stepper motor 42HS03 to J8 Connect motor phases in a bipolar series connection as described in...

Страница 17: ...nverter is required Figure 3 1 provides a simplified block diagram of the development board hardware FIGURE 3 1 dsPICDEM MCSM DEVELOPMENT BOARD BLOCK DIAGRAM dsPIC33FJXXXMCXXX PIM Drivers IMOTOR1 FAUL...

Страница 18: ...der to reverse the drive current and to accommodate all possible decay modes Since all PWMxHx pins are on at the same time for example PWM1H1 and PWM1H2 it is not possible to drive all of the high sid...

Страница 19: ...rent value A value of 1 7A is set for the dsPICDEM MCSM Development Board however the user can change this limit by changing the resistor divider made by R48 and R51 When either of the two phase curre...

Страница 20: ...describe the PIM configuration details The dsPIC33FJ32MC204 and dsPIC33FJ128MC804 PIMs are pin compatible and share the same table Downloaded from Arrow com Downloaded from Arrow com Downloaded from...

Страница 21: ...CLKO RC15 68 FAULT_1 68 IC1 RD8 Not used set pin as input 70 BTN_1 70 IC3 RD10 76 USB_TX 76 OC2 RD1 Not used set pin as input 77 PWM2H1 77 OC3 RD2 Not used set pin as input 78 PWM2L1 78 OC4 RD3 Not us...

Страница 22: ...USB_TX 77 PWM2H1 78 PWM2L1 83 USB_TX 3 AN4 RP2 CN6 RB2 Solder R30 remove R22 84 USB_RX 4 AN5 RP3 CN7 RB3 Solder R29 remove R23 93 PWM1L1 23 PWM1L1 RP15 CN11 RB15 Solder R19 94 PWM1H1 22 PWM1H1 RP14 CN...

Страница 23: ...32 78 PWM2L1 3 PWM2L1 RP23 CN17 RC7 Solder R31 83 USB_TX 32 TDO RA8 Not used set pin as input 84 USB_RX 33 SOSCI RP4 CN1 RB4 Solder R20 93 PWM1L1 15 PWM1L1 RP15 CN11 RB15 Solder R11 94 PWM1H1 14 PWM1H...

Страница 24: ...11 6 pin connector for programming a dsPIC DSC device J2 ICSP connector for programming a dsPIC DSC device J3 ICSP programmer interface connector for programming the PIC18LF2450 USB to UART bridge J4...

Страница 25: ...R84 and R85 3 3 4 ICSP Connector for dsPIC DSC J1 J2 The MPLAB ICD 3 and MPLAB REAL ICE Connector is an RJ11 female connector J1 that connects the MPLAB ICD 3 or MPLAB REAL ICE In Circuit Debugger to...

Страница 26: ...t phase 2 VREF Zero current reference voltage DC_REF DC_BUS voltage input to ADC IREF Reference current for Fault detection PWM1H1 PWM output for wire 1 top switch PWM1L1 PWM output for wire 1 bottom...

Страница 27: ...icates that the device is connected to the USB bus D3 D10 LEDs which indicate the PWM pin status When an LED is ON the respective PWM pin is high D14 Power on status LED which indicates the status of...

Страница 28: ...ded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Страница 29: ...with an oscilloscope Solution To properly measure a signal connect a probe to the desired signal and one to ground and perform a division The signal that results is what the dsPIC DSC sees Downloaded...

Страница 30: ...ded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Страница 31: ...wnloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arro...

Страница 32: ...ownloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arr...

Страница 33: ...d from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

Страница 34: ...nloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow...

Страница 35: ...at sink is 80V 1 7A 135W Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arr...

Страница 36: ...ded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Страница 37: ...34 Signal Test Points 26 Stepper Motors Bipolar 11 Unipolar 11 T Troubleshooting DMCI Connection Failure 29 Switching Noise 29 U USB Interface J4 25 User Interface Hardware 27 W Warranty Registration...

Страница 38: ...a Tel 81 45 471 6166 Fax 81 45 471 6122 Korea Daegu Tel 82 53 744 4301 Fax 82 53 744 4302 Korea Seoul Tel 82 2 554 7200 Fax 82 2 558 5932 or 82 2 558 5934 Malaysia Kuala Lumpur Tel 60 3 6201 9857 Fax...

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