Electronics Components Datasheet Software Development

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YMCRPR8C25

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REF PLATFORM MOTOR CTRL R8C/25
Renesas Electronics America
1.YMCRPR8C25.pdf (21 pages)
Power Management, Motor Control
Yes, MCU, 16-Bit
R5F21258 (R8C/25)
3-Ph Brushless DC (BLDC) Motors
GUI, Hall Sensor and Sensor-less (Back-EMF)
Contains lead / RoHS non-compliant
  • Current page: 1 of 21
Powerful Processors – Easy to Use™
Motor Control
(YMCRPR8C25)
Rev. 1.1
www.renesas.com

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YMCRPR8C25 Summary of contents

Page 1

.. User Powerful Processors – Easy to Use™ www.renesas.com R8C/Tiny BLDC Motor Control Evaluation Kit (YMCRPR8C25) User’s Manual Rev. 1.1 March 2008 ..

Page 2

.. Overview..................................................................... 12 5.2. Motor Control Demos............................................................ 12 5.2.1. HALL Sensor Based BLDC Demo .............................................. 12 5.2.2. BEMF (Sensor-less) BLDC Demo............................................... 12 5.3. Sample Code .................................................................. 12 5.4. Windows GUI YMCRPR8C25 Control Program - LEM .................................. 12 5.4.1. OVERVIEW ................................................................ 12 5.4.2. Running Motor.............................................................. 13 5.4.3. Plotting Data............................................................... 13 6.0 System Details................................................................... 14 6.1. Hardware Specifications......................................................... 14 6 ..

Page 3

.. D.1 Serial Communications .......................................................... 21 D.1.1 Setting the COM Port Number.................................................. 21 D.1.2 USB COM Ports............................................................. 21 D.1.3 LEM Serial Errors ........................................................... 21 D.2 LEM Hangs ................................................................... 21 YMCRPR8C25 User’s Manual Rev 1 March 2008 ..

Page 4

.. Limited Guarantee and Support Renesas Technology America, Inc. warrants the YMCRPR8C25 kit to be free from component or assembly defects for a period of 90 days from the date of purchase. Settlement is limited to repair or replacement of the product only. Renesas Technology America, Inc. does not assume any liability arising out of the application or use of any product, circuit or procedure described herein ..

Page 5

.. Introduction The YMCRPR8C25 kit is a low-cost Evaluation Kit for evaluating the R8C/25 MCU for use in 3 phase BLDC motor applications. Renesas firmware is included for evaluating motor drive capabilities of the R8C family of processors. The kit comes with a complete software development tool chain for Renesas MCUs, including the High- performance Embedded Workshop (HEW), which includes an Integrated Development Environment (IDE), Graphical User Interface (GUI), the M16C C-compiler, assembler and linker ..

Page 6

.. E8a On-Chip Debugging Emulator (supplied with kit) 3.1. Host Computer Requirements The minimum requirement to be able to use the software that comes with the YMCRPR8C25 kit with a serial port and Microsoft Windows 2000, or XP. For debugging with the optional (user supplied) E8a in-chip debugging emulator, the PC also needs a USB port. ..

Page 7

.. PC. Within HEW, start a new project workspace, and select YMCRPR8C25 for Project Type. See the Quick Start Guide for detailed steps to creating a project with project generators. ..

Page 8

.. Software Build Process Overview The YMCRPR8C25 kit allows the user to write or modify the provided code to evaluate the R8C/25 Motor Control solution. Code can be compiled and downloaded to the MCU. Debugging can be accomplished with E8a On-chip debugging Emulator. The figure below illustrates the steps required to create a working application on the YMCRPR8C25 hardware ..

Page 9

.. Hardware 4.1. YMCRPR8C25 System Overview Figure 4-1 shows the YMCRPR8C25 Hardware with major components identified. Isolated Serial Connector 2x8 LCD Module Motor LEDs (4 places) Motor Motor Winding Connection Hall Sensor Connection YMCRPR8C25 User’s Manual Rev 1.1 Figure 4-1: YMCRPR8C25 System Components ..

Page 10

.. YMCRPR8C25 Board The YMCRPR8C25 includes the R8C/25 and support circuitry. Note that to operate the motor the jumpers must be set correctly for the method selected: sensor (Hall) or sensor-less (Back-EMF). The board is shipped with the jumpers in the Hall Sensor mode. For details on the jumpers, please consult section 4.5 of this YMCRPR8C25 User’ ..

Page 11

.. The R8C/25 group of 16-bit single-chip Flash microcontrollers (MCU) is part of the R8C/Tiny Family. Wii crack games download. The hardware and software manuals for the R8C/25 group of microcontrollers can be found from the Start menu Start > (All) Programs > Renesas > High-performance Embedded Workshop > Manual Navigator after software installation. YMCRPR8C25 User’s Manual Rev 1.1 Description Hall W connected to /INT3. Hall V connected to /INT2. ..

Page 12

.. LEM which can start and stop the motor and plot various pieces of information about the motor while it is running. The plots can include such things as speed, current, IPM temperature, etc… While you have HEW open and connected to the YMCRPR8C25 board through the E8a, launch the GUI by simply browsing to C:WorkspaceYMCRPR8C25Utilites and double click on MCRP GUI icon (lem ..

Page 13

.. So if you are plotting four items (variables), you are sampling at 400uS * 4, or 1600uS (1.6mS) update rate. This data may also be captured in a CSV file for plotting or analyzing under Excel. YMCRPR8C25 User’s Manual Rev 1.1 Figure 5.4.1: LEM GUI Meter Window 13/ 21 ..

Page 14

.. IGBT based Power Module 6.2. Power Supply Requirements The YMCRPR8C25 Board requires a supply voltage of 24.0V DC, and will draw approximately 0.5 amps when running the included motor with no load. Running the motor under load will require more current. The kit includes a 120-watt power supply (24VDC @ ~5A) which will drive the motor correctly under moderate loads ..

Page 15

.. Operating Environment The table below lists the environmental conditions for using and storing the YMCRPR8C25 board. Store the board in a conductive bag inside the original factory packaging. Table 6-3: Operating and Storage Environments Environmental Condition Operating Storage YMCRPR8C25 User’s Manual Rev 1.1 Ambient Temperature 0 to 55° ..

Page 16

.. Emerson/HURST Motor Data Sheet 4. HEW Target Server Sample code NOTE: These documents are contained in the Utilities Folder on the YMCRPR8C25 Install CD. YMCRPR8C25 User’s Manual Rev 1.1 Description Document that will help you get started on using the YMCRPR8C25 Starter Kit. This document. ..

Page 17

.. Appendix B. Hardware Notes B.1 Over-Current Circuit The YMCRPR8C25 makes current measurements on the low side of the IPM though a 0.05 ohm, non- inductive resistor. This shunt voltage is fed into the gain stage (node SU in figure B-1). The gain is set at 2.2. R120 sets the “trip” threshold on the over-current monitor to provide an “over-current” signal (node FO). ..

Page 18

.. B.2 Back-EMF Detect Circuit The YMCRPR8C25 uses filters, divider resistors and comparators to detect the Back-EMF in hardware. Figure B-2 shows the Filter/Divider combination. The outputs are then fed to comparators to detect the correct threshold for “zero-cross” in the motor. One typical circuit is shown in Figure B-3. ..

Page 19

.. Appendix C. PCB Component Layout C.1 Component Placement - Top Figure C.1: Component Placement – Top YMCRPR8C25 User’s Manual Rev 1.1 19/ 21 March 2008 ..

Page 20

.. C.2 Component Placement - Bottom Figure C.2: Component Placement - Bottom YMCRPR8C25 User’s Manual Rev 1.1 20/ 21 March 2008 ..

Page 21

.. Appendix D. Troubleshooting D.1 Serial Communications The YMCRPR8C25 board requires the E8a debugger and an operational COM port in order to run the board from the LEM GUI. The COM port can be an problem on some computers that do not have a hardware COM port, or which do not have it on COM1. ..

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