Renesas Single-Chip Microcomputer M34551T2-MCU User Manual
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Renesas Single-Chip Microcomputer M34551T2-MCU User Manual

Renesas Single-Chip Microcomputer M34551T2-MCU User Manual

Mcu board for pc4504 emulator system
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On April 1
, 2010, NEC Electronics Corporation merged with Renesas Technology
Corporation, and Renesas Electronics Corporation took over all the business of both
companies. Therefore, although the old company name remains in this document, it is a valid
Renesas Electronics document. We appreciate your understanding.
Issued by: Renesas Electronics Corporation (http://www.renesas.com)
Send any inquiries to http://www.renesas.com/inquiry.
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April 1
, 2010
Renesas Electronics Corporation

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Summary of Contents for Renesas Single-Chip Microcomputer M34551T2-MCU

  • Page 1 On April 1 , 2010, NEC Electronics Corporation merged with Renesas Technology Corporation, and Renesas Electronics Corporation took over all the business of both companies. Therefore, although the old company name remains in this document, it is a valid Renesas Electronics document. We appreciate your understanding.
  • Page 2 Renesas Electronics. Renesas Electronics shall not be in any way liable for any damages or losses incurred by you or third parties arising from the use of any Renesas Electronics product for an application categorized as “Specific”...
  • Page 3 M34551T2-MCU User’s Manual MCU Board for PC4504 Emulator System Rev.1.00 2003.09...
  • Page 4 • These materials are intended as a reference to assist our customers in the selection of the Renesas Technology product best suited to the customer's application; they do not convey any license under any intellectual property rights, or any other rights, belonging to Renesas Technology Corporation, Renesas Solutions Corporation or a third party.

  • Page 5: Table Of Contents

    Contents Preface ...4 1. Precautions for Safety ... 5 1.1 Safety Symbols and Meanings ...5 2. Handling Precautions ... 9 3. Contents of the M34551T2-MCU Package ... 11 3.1 Things to Check When Unpacking ... 11 3.2 Other Necessary Products ... 11 4.

  • Page 6: Preface

    Preface This user's manual describes the specifications of the M34551T2-MCU emulator board for Renesas 4551 and 4555 groups of 4-bit single-chip microcomputers. The M34551T2-MCU is the MCU board for the PC4504 emulator. For the PC4504 emulator main unit and the M3T-PD45 emulator debugger, refer to their user's manuals.

  • Page 7: Precautions For Safety

    1. Precautions for Safety In both the user's manual and on the product itself, several icons are used to insure proper handling of this product and also to prevent injuries to you or other persons, or damage to your properties. This chapter describes the precautions which should be taken in order to use this product safely and properly.

  • Page 8: Warning For Installation

    Warning for Installation: • Do not set this product in water or areas of high humidity. Make sure that the main unit does not get wet. Spilling water or some other liquid into the main unit can cause an unrepairable damage. Warning for Use Environment: •...

  • Page 9: Notes On Differences Between Actual Mcu And Emulator

    Notes on Differences between Actual MCU and Emulator: • Emulator operation differs from emulation of a mask MCU, as listed below. For details refer to "Chapter 6. Precautions to be Taken When Debugging". (1) Reset condition (2) Initial values of internal resource data at power-on (3) Internal RAM and ROM capacities, etc.
  • Page 10 MEMO ( 8 / 40 )

  • Page 11: Handling Precautions

    2. Handling Precautions When using the M34551T2-MCU board, pay attention to the following: (1) About the emulator To use the M34551T2-MCU board, you always need to install it on the PC4504 emulator main unit. (2) About the MCU board installation Before installing (and removing) the MCU board, always be sure to power off the PC4504 emulator main unit and unplug its power cord from the outlet.
  • Page 12 MEMO ( 10 / 40 )

  • Page 13: Contents Of The M34551T2-Mcu Package

    3. Contents of the M34551T2-MCU Package 3.1 Things to Check When Unpacking Table 3.1 shows the contents of the M34551T2-MCU package. When unpacking your M34551T2- MCU package, check to see that all the following components are included. Table 3.1 Contents of M34551T2-MCU Item *1 "M34551T-MCU"...
  • Page 14 MEMO ( 12 / 40 )

  • Page 15: M34551T2-Mcu

    4. M34551T2-MCU 4.1 Outline By using with the PC4504 emulator main unit, the M34551T2-MCU can make up an emulator system which can be operated by a personal computer. Figure 4.1 shows the development support system configuration. Figure 4.1 Development support system configuration ( 13 / 40 )

  • Page 16: Specifications

    4.2 Specifications Table 4.1 lists specifications of the M34551T2-MCU. Table 4.1 M34551T2-MCU Specifications Applicable MCUs Evaluation MCUs Maximum operating clock frequency Target system voltage Power supply Port emulation Board dimensions Operating temperature Product configuration *1 Operates in the medium-speed mode (instruction clock: f (X termination.

  • Page 17: Description Of Switches

    4.3 Description of Switches The M34551T2-MCU board has nine switches. Figure 4.2 shows the positions of these switches. Tables 4.2 and 4.3 list the functions of the switches and the preset switch positions that are set before the MCU board is shipped from the factory. Figure 4.2 Positions of switches Table 4.2 Functions of switches (1/2) Label...
  • Page 18 Table 4.3 Functions of the switches (2/2) Label Switch position PORT PORT PORT Description Does not connect the pullup resistor 68 kΩ to the port P1 Connects the pullup resistor 68 kΩ to the port Does not connect the pullup resistor 68 kΩ to the port P1 Connects the pullup resistor 68 kΩ...

  • Page 19: Description Of Connectors

    4.4 Description of Connectors The M34551T2-MCU board has eight connectors. Table 4.4 lists the functions of these connectors. Figure 4.3 shows the positions of connectors on the MCU board. Table 4.4 Connectors Connector J7, J8 Figure 4.3 Positions of connectors Function Connects the evaluation MCU bus.
  • Page 20 (1) Connector J3 Table 4.5 lists the pin assignments of 100-wire half-pitch connector (J3) for connecting the PCA4029. And Figure 4.4 shows the connector J3 pin layout. Table 4.5 Pin assignments of connector J3 Line A Pin No. Signal Pin No. Note: "I"...
  • Page 21 (2) Connector J4 To use the external trigger signal as event input of trigger breaks or trace points, connect the 2- wire cable (for external trigger signal) included with your M34551T2-MCU board to the connector J4. Connect the black clip of the external trigger cable to GND, and use the white clip for external trigger signal input.
  • Page 22 Figure 4.6 Schematic circuit diagram of OSC-2 (4.0 MHz) ( 20 / 40 )

  • Page 23: Connection To The Target System

    4.5 Connection to the Target System When connecting the M34551T2-MCU board to the target system: Connect the 50-wire normal-pitch cable included with the MCU board to the 50-pin dual-in-line pins on the target system. Following products are required for connection to the target system. (1) 100-wire half-pitch cable (40 cm) (2) PCA4029 pitch converter board (3) 50-wire normal-pitch cable (10 cm)
  • Page 24 Table 4.8 50-wire normal-pitch cable pin assignments Pin No. Signal Pin No. /SEG /SEG /INT CARR Figure 4.8 Pin layout of the 50-wire normal-pitch cable Signal /SEG /SEG ERESET* ( 22 / 40 )

  • Page 25: Led

    Some signals connected to the target system are emulated on the M34551T2-MCU board. For details, see "Chapter 7. Connection Circuit Diagram". • Pins connected directly to the target system (6 types, 24 lines) (1) SEG (2) COM (3) CARR (4) D (5) D (6) V •...
  • Page 26 MEMO ( 24 / 40 )

  • Page 27: Using As An Evaluation Board

    5. Using as an Evaluation Board Mounting the EPROM containing the program and supplying power enables the M34551T2-MCU to be used as an evaluation board. Use to evaluate the functions that cannot be evaluated with the evaluation MCU of the 4551 Group. Use an evaluation MCU (OTP version) for 4551 Group evaluation.

  • Page 28: Mounting The Rubber Legs

    5.3 Mounting the Rubber Legs Mount the rubber legs (included) in the four corners of the board if using the M34551T2-MCU board as an evaluation board. Figure 5.3 shows the positions of the mounting holes and method of mounting the rubber legs. When mounting them, securely fasten the screws with a screwdriver, etc. Using the board without the rubber legs could result in damage of the M34551T2-MCU board and target system due to a short, etc.

  • Page 29: Switch Settings

    5.4 Switch Settings The PCA7745 board is equipped with switch SW1 for setting the ROM type. Set switch SW1 according to the type of EPROM to be used as shown in Table 5.1. Table 5.1 Setting switch SW1 on PCA7745 Setting 5.5 Connection to the Target System For method of connecting the MCU board to the target system when using this product as an...
  • Page 30 MEMO ( 28 / 40 )

  • Page 31: Precautions To Be Taken When Debugging

    6. Precautions to Be Taken When Debugging 6.1 Reset The M34551T2-MCU uses 74AC14 for the reset signal input buffer, and electrical characteristics therefore differ from those of an actual chip. Table 6.1 lists the RESET signal input characteristics on the M34551T2-MCU. Table 6.1 RESET signal input characteristics H-level threshold voltage L-level threshold voltage...

  • Page 32: Watchdog Timer

    6.4 Watchdog Timer The watchdog timer does not operate on the M34551T2-MCU board. Use an evaluation MCU (OTP version) to verify the watchdog timer-related operations. 6.5 Pullup Transistors Since the P1 port of the M34551T2-MCU contains emulation circuits, you cannot control the pullup transistors using the pullup control register PU0.

  • Page 33: Characteristics Of I/O Ports

    6.7 Characteristics of I/O Ports Characteristics of Ports P0, P1, P2, D because the M34551T2-MCU have emulation circuit. Table 6.3 shows characteristics of the emulation ports. Table 6.3 Characteristics of emulation ports Port P0, P1 to D of the M34551T2-MCU differ from those of actual MCU, Device Item Input...

  • Page 34: Power-Down Mode

    6.8 Power-down Mode The power-down mode of the M34551T2-MCU operates differently from that of the actual MCUs. (1) Power-down operation of the M34551T2-MCU While with the actual MCUs the power-down mode works by the "EPOF" and "POF" instructions, with the M34551T2-MCU the power-down mode works only by the "POF" instruction. With the M34551T2-MCU, the "EPOF"...

  • Page 35: Program Execution (G, Gb)

    6.9 Program Execution (G, GB) The PC4504 and the M34551T2-MCU’s hardware is subject to the following restrictions with respect to the operation of the program execution commands (G and GB). (1) Continuous description of instructions Hardware breakpoints set in a continuous description of instructions following one after another do not cause a break to occur in the continuous description of instructions.
  • Page 36 (2) Skip instructions (e.g. SNZP, INY, DEY, SZB, SEAM, SZC and RTS) In cases when a skip instruction skips the next instruction, a breakpoint set in the skipped instruction does not cause execution to halt. (See Program examples 6.5 and 6.6) Program example 6.5 POINT: TABP...

  • Page 37: External Trigger

    6.10 External Trigger (1) External trigger input timing The latch timing of the external trigger is shown in Figure 6.2. System clock External trigger signal TRIG Figure 6.2 Latch timing of the external trigger signal (2) External trigger signal input characteristics Trigger breaks work according to the condition (leading edge/trailing edge) of signals input from the external trace cable.
  • Page 38 MEMO ( 36 / 40 )

  • Page 39: Connection Circuit Diagram

    7. Connection Circuit Diagram Figure 7.1 shows the M34551T2-MCU connection circuit diagram. This circuit diagram depicts the M34551T2-MCU connection centering on circuits connected to the target system. Emulator control blocks and other similar circuits that are not connected to the target system are omitted in this diagram. : Connected to IC23-8.

  • Page 40: Appendix A

    After checking the contents of fault, the distributor should please send the faulty product along with the Repair Request Sheet to Renesas Solutions Corp. When the faulty product is repaired, it will be returned to the customer at the earliest convenience.
  • Page 41 M34551T2-MCU User's Manual Rev.1.00 September 1, 2003 REJ10J0276-0100Z COPYRIGHT ©2003 RENESAS TECHNOLOGY CORPORATION AND RENESAS SOLUTIONS CORPORATION ALL RIGHTS RESERVED...
  • Page 42 M34551T2-MCU User’s Manual 1753, Shimonumabe, Nakahara-ku, Kawasaki-shi, Kanagawa 211-8668 Japan REJ10J0276-0100Z...

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