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Motorola DSP56F801 Hardware User Manual

Evaluation module
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DSP56F801EVMUM/D
Semiconductor Products Sector
Rev. 0, 05/17/2001
DSP56F801 Evaluation Module
Hardware User's Manual
© Motorola, Inc., 2001. All rights reserved.

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  Summary of Contents for Motorola DSP56F801

  • Page 1 Order this document by DSP56F801EVMUM/D Semiconductor Products Sector Rev. 0, 05/17/2001 DSP56F801 Evaluation Module Hardware User’s Manual © Motorola, Inc., 2001. All rights reserved.

  • Page 3: Table Of Contents

    DSP56F801 ........
  • Page 4 2.16 Peripheral Connectors ..........2-19 2.16.1 External Control Signal Expansion Connector .
  • Page 5 DSP56F801 Processor ........
  • Page 6 DSP56F801EVM Hardware User’s Manual...
  • Page 7 List of Tables DSP56F801EVM Default Jumper Options......1-3 RS-232 Serial Connector Description......2-4 JTAG Connector Description .
  • Page 8 DSP56F801EVM Hardware User’s Manual...

  • Page 9: Audience

    Appendix A, DSP56F801EVM Schematics - DSP56F801EVM. • Appendix B, DSP56F801EVM Bill of Material - provides a list of the materials used on the DSP56F801EVM board Suggested Reading More documentation on the DSP56F801 and the DSP56F801EVM kit may be found at URL: http://www.mot.com/SPS/DSP/documentation/index.html Preface...

  • Page 10: Notation Conventions

    Analog to Digital Digital to Analog Digital Signal Processor or Digital Signal Processing Evaluation Module GPIO General Purpose Input and Output Port on Motorola’s Family of DSPs Integrated Circuit JTAG Joint Test Action Group. A bus protocol/interface used for test and debug.

  • Page 11: References

    Shares package pins with other peripherals on the chip and can function as a GPIO. OnCE On-Chip Emulation, a debug bus and port created by Motorola to enable designers to create a low-cost hardware interface for a professional quality debug environment.
  • Page 12 DSP56F801EVM Hardware User’s Manual...

  • Page 13: Introduction

    Chapter 1 Introduction The DSP56F801EVM is used to demonstrate the abilities of the DSP56F801 and to provide a hardware tool allowing the development of applications that use the DSP56F801. The DSP56F801EVM is an evaluation module board that includes a DSP56F801 part, peripheral expansion connectors, external memory and a JTAG interface.

  • Page 14: Dsp56F801Evm Architecture

    The DSP56F801EVM is flexible enough to allow a user to fully exploit the DSP56F801’s features to optimize the performance of their product, as shown in Figure 1-1.

  • Page 15: Dsp56F801Evm Configuration Jumpers

    DSP56F801EVM Configuration Jumpers 1.2 DSP56F801EVM Configuration Jumpers Nine jumper groups, (JG1-JG9), shown in Figure 1-2, are used to configure various features on the DSP56F801EVM board. Table 1-1 describes the default jumper group settings. JTAG DSP56F801EVM IRQA RESET RUN/STOP DOWN Figure 1-2. DSP56F801EVM Jumper Reference Table 1-1.

  • Page 16: Dsp56F801Evm Connections

    1.3 DSP56F801EVM Connections An interconnection diagram is shown in Figure 1-3 for connecting the PC and the external +12V DC power supply to the DSP56F801EVM board. Parallel Extension Cable DSP56F801EVM PC-compatible Computer Connect cable to Parallel/Printer port External with 2.1mm, +12V receptacle Power...

  • Page 17: Technical Summary

    The main features of the DSP56F801EVM, with board and schematic reference designators include: • DSP56F801 16-bit +3.3V Digital Signal Processor operating at 80MHz [U1] • 8.00MHz crystal oscillator for DSP frequency generation [Y1] • Optional external oscillator frequency input connector [JG7 and JG8] •...

  • Page 18: Dsp56F801

    • General purpose toggle switch for RUN/STOP control(AN7) [S3] 2.1 DSP56F801 The DSP56F801EVM uses a Motorola DSP56F801FV80 part, designated as U1 on the board and in the schematics. This part will operate at a maximum speed of 80MHz. A full...
  • Page 19 DSP56F801 Refer to these documents for detailed information about chip functionality and operation. They can be found on this URL: http://www.mot.com/SPS/DSP/documentation/index.html Technical Summary...

  • Page 20: Rs-232 Serial Communications

    P4. Flow control is not provided, but could be implemented using uncommitted GPIO signals. The pinout of connector P4 is listed in Table 2-1. The RS-232 level converter/transceiver can be disabled by placing a jumper at JG6. RS-232 DSP56F801 Level Converter Interface T1in T1out TXDO...

  • Page 21: Clock Source

    2.3 Clock Source The DSP56F801EVM uses an 8.00MHz crystal, Y1, connected to its External Crystal Inputs, EXTAL and XTAL. The DSP56F801 uses its internal PLL to multiply the input frequency by 10, to achieve its 80MHz maximum operating frequency. An external oscillator source can be connected to the DSP by using the oscillator bypass connector, JG7 and JG8;...

  • Page 22: Debug Support

    2.5.1 JTAG Connector The JTAG connector on the DSP56F801EVM allows the connection of an external Host Target Interface for downloading programs and working with the DSP56F801’s registers. This connector is used to communicate with an external Host Target Interface which passes information and data back and forth with a host processor running a debugger program.

  • Page 23: Parallel Jtag Interface Connector

    Debug Support 2.5.2 Parallel JTAG Interface Connector The Parallel JTAG Interface Connector, P2, allows the DSP56F801 to communicate with a Parallel Printer Port on a Windows PC; reference Figure 2-4. By using this connector, the user can download programs and work with the DSP56F801’s registers.

  • Page 24: External Interrupt

    Figure 2-5. S1 allows the user to generate a hardware interrupt for signal line IRQA. This switch allows the user to generate interrupts for his user-specific programs. +3.3V DSP56F801 IRQA 0.1µF Figure 2-5. Block Diagram of the User Interrupt Interface...

  • Page 25: Reset

    Reset 2.7 Reset Logic is provided on the DSP56F801 to generate a clean Power-On RESET signal. Additional, reset logic is provided to support the RESET signals from the JTAG connector, the Parallel JTAG Interface and the user RESET push-button; refer to Figure 2-6.

  • Page 26: Power Supply

    Figure 2-7. Power applied to the DSP56F801EVM is indicated with a Power-On LED, referenced as LED8. +3.3V +5.0V +12V DC +5.0V +3.3V +3.3V Digital DSP56F801 Regulator Regulator +3.3V Analog POWER ON DSP EVM PARTS GREEN LED LED8 Figure 2-7. Block Diagram of the Power Supply 2-10 DSP56F801EVM Hardware User’s Manual...

  • Page 27: Uni-3 Interface

    UNI-3 Interface 2.9 UNI-3 Interface Motor control signals from a family of motor driver boards can be connected to the EVM board via the UNI-3 connector/interface. The UNI-3 connector/interface contains all of the signals needed to drive and control the motor drive boards. These signals are connected to various groups of the DSP’s input and output ports;...
  • Page 28 Table 2-5. UNI-3 Connector Description (Continued) Pin # Signal Pin # Signal Shield Back-EMF Phase A Sense Back-EMF Phase Back-EMF Phase B Sense C Sense 2-12 DSP56F801EVM Hardware User’s Manual...

  • Page 29: Speed Up/Down Switches And Run/Stop Switch

    A/D Port’s signal AN6. The resistors create a voltage divider network presenting unique voltage to the A/D port when each push button is pressed. A RUN/STOP toggle switch is connected to A/D Port’s signal AN7. Refer to Figure 2-8. +3.3V DSP56F801 Speed UP +3.3V 5.1K Speed DOWN +3.3V RUN/STOP SWITCH Figure 2-8.

  • Page 30: Motor Control Pwm Signals And Leds

    2.11 Motor Control PWM Signals and LEDs The DSP56F801 has one dedicated PWM unit. The PWM unit’s lines are connected to the UNI-3 interface connector and to a set of six PWM LEDs via inverting buffers. The inverting buffers are used to isolate and drive the DSP’s PWM’s outputs to the PWM LEDs.

  • Page 31: Motor Protection Logic

    Motor Protection Logic 2.12 Motor Protection Logic The DSP56F801EVM contains a UNI-3 connector that interfaces with various motor drive boards. The DSP can sense error conditions generated by the motor power stage boards via signals on the UNI-3 connector. The motor driver board’s Motor Supply DC Bus Voltage, Current and Motor Phase Currents are sensed on the power stage board.

  • Page 32: Uni-3 Motor Protection Logic

    2.12.1 UNI-3 Motor Protection Logic The UNI-3 DC Bus Over-Voltage or the UNI-3 DC Bus Over-Current signal can be connected to the DSP’s PWM fault input, FAULT0. Jumper JG3 provides the selection; reference Figure 2-10 Table 2-6. DC BUS VOLTAGE SENSE V_S_DCB +3.3V +5.0V...

  • Page 33: Back-Emf And Motor Phase Current Sensing

    Quadrature Encoder/Hall-Effect Interface 2.13 Back-EMF and Motor Phase Current Sensing The UNI-3 connector supplies Back-EMF and Motor Phase Current signals from the three phases of a motor attached to a motor drive unit. The Back-EMF signals on the UNI-3 connector are derived from a resistor divider network contained in the motor drive unit. These resistors divide down the attached motor’s Back-EMF voltages to a 0 to +3.3V level.

  • Page 34: Zero-Crossing Detection

    Zero-Crossing signals or Quadrature Encoder/Hall-Effect signals. When in operation, the DSP will only monitor one set of signals, Encoder/Hall-Effect or Zero-Crossing. Figure 2-12 contains the Zero-Crossing and Encoder/Hall circuits. ZERO_X_A DSP56F801 ZERO_X_B ZERO_X_C FILTER +5.0V FILTER Zero...

  • Page 35: External Control Signal Expansion Connector

    Peripheral Connectors 2.16 Peripheral Connectors The EVM board contains a group of Peripheral Expansion Connectors used to gain access to the resources of the DSP56F801. These signal groups have Expansion Connectors: • Timer Channel D • A/D Input Port • Serial Communications Port •...

  • Page 36: A/D Port Expansion Connector

    2.16.3 A/D Port Expansion Connector The 8-channel Analog to Digital conversion port is attached to this connector. See Table 2-9 for the connection information. Table 2-9. A/D Port Connector Description Pin # Signal Pin # Signal GNDA +3.3VA 2.16.4 Serial Communications Port Expansion Connector The Serial Communications Port, SCI0, is attached to this connector.

  • Page 37: Appendix Adsp56F801Evm Schematics

    Appendix A DSP56F801EVM Schematics DSP56F801EVM Schematics...
  • Page 38 DSP56F801EVM Hardware User’s Manual...

  • Page 39: Reset, Mode, Clock, Irq And Run/Stop Switch

    + 3 . 3 V A +3.3V OSC BYPASS R 6 3 1 0 K J G 7 + 3 . 3 V A R 5 3 1 0 K IRQA PUSHBUTTON EXTAL SPEED UP 1 0 M R 6 4 /IRQA 8.00MHz 1 0 K...

  • Page 40: Dsp56F801 Pwm Leds And User Led

    FAX: (480) 413-2510 Title DSP56801 PWM LEDS AND USER LED Document Rev. DSP56F801EVM.DSN Size Number Date: Saturday, October 28, 2000 Designer: Sheet D S P D D e s i g n Figure A-3. DSP56F801 PWM LEDS AND USER LED...

  • Page 41: Rs-232 And Sci Connectors

    +3.3V C 1 + V C C 1.0uF 1.0uF C 2 + 1.0uF 1.0uF G N D T1IN T 1 O U T T2IN T2IN T 2 O U T T3IN T3IN T 3 O U T R 2 O U T B R X D R 1 O U T R 1 I N...

  • Page 42: Parallel Jtag Host Target Interface And Jtag

    Parallel JTAG Interface R 3 1 P O R T _ I DENT R 3 2 P O RT_RESET P_RESET R 3 3 1 A 1 1 Y 1 PORT_TMS 1 A 2 1 Y 2 T C K P O RT_TCK 1 A 3 1 Y 3 R 3 4...

  • Page 43: Over Voltage/Current Detectors & Back-Emf/Phase-Current Input Selectors

    R 2 1 R 2 2 R 2 3 V_S_DCB +3.3V VOLTAGE SENSE A N 0 C 1 3 + 5 .0V 0.1uF R 2 4 5.1K U 6 A UNI-3 OVER-VOLTAGE +5.0V FAULT DETECTION LM393 R 2 5 J G 3 OVER_VOLTAGE F A U LT0 O V E R _ C U R R E N T...
  • Page 44 +5.0V +5.0V J G 2 Z E R O _ X _ A T D 0 R 1 0 R 1 1 PHASEA +5.0V 4 7 0 p F ENCODER HALL EFFECT UNI-3 UNI-3: PFC J G 9 CONNECTOR ZERO CROSSING R 1 2 P F C _ P W M Z E R O _ X _ B...

  • Page 45: Uni-3 Interface

    UNI-3 CONNECTOR PWM_AT P W M 0 PWM_AB P W M 1 PWM_BT P W M 2 PWM_BB P W M 3 PWM_CT P W M 4 PWM_CB P W M 5 + 5 . 0 V _ U N I 3 + 5 .

  • Page 46: Port Timer D, A/D, Spi, Sci, Pwm And Control Line Connectors

    PWM PORT CONTROL LINES P W M 0 P W M 1 /IRQA / R E S E T P W M 2 P W M 3 / D E P W M 4 P W M 5 +3.3V F A U L T 0 +3.3V DSP A/D PORT SPI PORT...

  • Page 47: Power Supplies +3.3V And +5.0V

    FM4001 EXTERNAL POWER IN + 5 . 0 V _ U NI3 + 5 .0V V IN V O U T INPUT 12V DC C 3 2 C 3 3 G N D V O U T FM4001 4 7 0uF 0.1uF 1 6 V D C F E R R I T E B E A D...

  • Page 48: Bypass Capacitors And Spare Gates

    DSP56F801 MAX3225 LM393 74LCX244 74AC04 DS1818 74AC04 74AC00 +3.3V +3.3VA + 3 .3V +5.0V + 3 .3V +3.3V +3.3V +3.3V + 3 .3V C 1 5 C 1 6 C 1 7 C 1 8 C 2 0 C 2 7...
  • Page 49 Appendix B DSP56F801EVM Bill of Material Description Ref. Designators Vendor Part # Integrated Circuits DSP56F801 Motorola, DSP56F801FA80 MAX3245 Maxim, MAX3245EEAI 74AC04 U3, U4 Fairchild, 74AC04SC 74LCX244 ON Semiconductor, MC74LCX244DW LM393 National, LM393M MC33269DT-5.0 ON Semiconductor, MC33269DT-5.0 MC33269DT-3.3 ON Semiconductor, MC33269DT-3.3...
  • Page 50 Description Ref. Designators Vendor Part # Potentioneters 10K Ω R25, R30 BC/MEPCOPAL, ST4B103CT Inductors 1.0mH L1, L2, L3, L4 Panasonic, EXC-ELSA35V LEDs Yellow LED LED1, LED3, LED5 Hewlett-Packard, HSMY-C650 Green LED LED2, LED4, LED6, LED7, Hewlett-Packard, HSMG-C650 LED8 Diode FM4001 D1, D2, D3 Diodes, US1ADICT Capacitors...

  • Page 51: Connector

    Description Ref. Designators Vendor Part # Test Points 1 × 1 Bergstick TP1 - TP9 Samtec, TSW-101-07-S-S Crystals 8.00MHz Crystal CTS, ATS08ASM-T Connectors 2.1mm coax Switch Craft, RAPC-722 Power Connector DB25M Connector AMPHENOL, 617-C025P-AJ121 20 x 2 Shrouded 3M, 2540-6002UB DE9F Connector AMPHENOL, 617-C009S-AJ120 Switches...
  • Page 52 DSP56F801EVM Hardware User’s Manual...
  • Page 53 Index viii Hall-Effect/Quadrature Encoder interface Host Parallel Interface Connector Host Target Interface Back-EMF 2-17 viii Clock Source Connector 2-20 JTAG viii 2-20 connector Connectors Jumper Group Peripheral Expansion 2-19 viii Debugging viii DSP56F801EVM 16-bit +3.3V Digital Signal Processor 4.0Amp power supply 2-10 8.00MHz crystal oscillator external oscillator frequency input...
  • Page 54 Peripheral Connectors 2-19 RS-232 interface level converter schematic diagram RS-232 Serial Communications Serial Communications Port 2-20 SRAM UNI-3 connector/interface 2-11 DC Bus Overvoltage signal 2-16 Motor interface Primary Zero Crossing circuits 2-18 Zero Crossing Detection 2-18 DSP56F801EVM Hardware User’s Manual...
  • Page 56 Motorola product could create a situation where personal injury or death may occur.

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