MCUez FOR SERIAL DEBUG INTERFACE USER`S MANUAL
Contents
1. 1 2 MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA INTERFACING YOUR SYSTEM TO A TARGET CHAPTER 2 INTERFACING YOUR SYSTEM TO A TARGET 2 1 INTRODUCTION The SDI interface is designed around a serial communication link The interface 1s supported by any communication device on your PC or SUN system The SDI target driver automatically loaded with the SDI target component handles the communication protocol between the SDI and your system However you can adapt your target system to the SDI interface The SDI target system communication is serial The SDI serial port 6 pin connector for the HC12 target system is shown below The SDI interface includes two serial port 6 pin connectors One serial port is the connector used for the HC12 BGND not connected not connected Vcc Reset Ground Figure 2 1 Serial Port Connector for the HC12 The serial port connector for the CPU16 32 is shown below The HC16 and 683xxx chip series use a 10 pin connector as shown below RESET VDD Figure 2 2 Serial Port Connector for the CPU16 32 MCUEZSDI D 3 4 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc INTERFACING YOUR SYSTEM TO A TARGET AA MOTOROLA 2 2 2 2 The communication protocol is defined by Motorola in the CPU 12 Reference Manual section 8 Development and Debug Support SYSTEM POWER The targe2. over or stepping out use one internal breakpoint For efficient operation reduce the number of hardware breakpoints needed to one 63 EEPROM PROGRAMMING In order to download code or data into the EEPROM MCUez has to know the location of this EEPROM To identify the location of this EEPROM you must define the following two environment variables EEPROM S TART Defines the address of the first byte of the EEPROM memory EEPROM_END Defines the address of the last byte of the EEPROM memory Example EEPROM_START 0x0D00 EEPROM_END 0xFFF MCUEZSDI D 6 1 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc LOADING THE SDI COMPONENT AA MOTOROLA This specifies the memory range of the EEPROM as 0xD000 to OxOFFF When writing to these addresses the EEPROM is automatically programmed to download a program or to modify the memory or the variables interactively NOTE The SDI does not currently support Flash programming This feature is reserved for future use 6 2 MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA OPERATING THE EVB WITH THE SDI 7 1 7 2 7 3 7 4 CHAPTER 7 OPERATING THE EVB WITH THE SDI INTRODUCTION The SDI can be used together with any target system that 1s equipped with a Background Debug Connector The SDI also operates with the M68HC812A4EVB and M68HC912B32EVB HC12 evaluation board
3. 632 9 MCU ID IC 9 ln order to perform some operations the MCU type connected to the SOI has to be set correctly Plaase select the MCU which fits the connected MCU If pour MCU iz not listed in the box above ask for the Updated configuration files Cancel Help Figure 5 2 MCU Selection Window This dialog allows you to select the MCU currently used There are two drop down menus on the Combo controls They show the currently selected MCU name and MCU ID The information will be taken from the MDSEMCU INI file If a specific MCU is not found in this file you must update your installation This will save your selection to use as the default for the next session MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA SDI TARGET COMPONENT MENU ENTRIES 5 3 5 MCU E Clock Frequency Choose the SDI Set MCU Speed menu option to open this dialog Set MCU Speed E Clock Frequency jeoo0000 Hz Search Use Search to search hor a valid frequency T Auto detect Figure 5 3 Setting the MCU Speed This dialog shows the current setting of the E clock frequency to be used by the MCU This frequency must be known by the SDI for proper communication through the BDM This is typically half of the crystal oscillator frequency for CPU 12 In the Edit box you can specify the frequency to be used When Select is clicked the debugger tries to ve
4. ER 00 aaa a es CHAPTER 3 COMMUNICATION CONFIGURATION Sl PNTRODUC HON eses asma no poa e sta ete sa 32 COMMUNICATION DEVICE a o a o E A a GN se ee a Ge A see eee gee CHAPTER 4 DEFAULT TARGET SETUP AND MENUS Bel INTRODUC TION puto asc eae Ye dad Uv ae nada aN cede a dia 42 Se ViING A TARGET cop ph Ore taps pects E E peed see E 4 3 THE MCUPBZ STATUS BAR FOR THE SD LAA etek etek tee elas 4 4 ADVANCED SDI ENVIRONMENT SETUP 0 00 0002 208 S SD EDS aut ENVIOS tad a eee eee eels EA e eee Aa Paraineters OV Cll a RGSS DORE EERE ORY REAPER ERR EES AS IMODULE st ee ee eee ee ee ee ee ee EAT COMDEV aaa erent aah Sivek ea cet as oe Gira o ake eas ere bey beanie sad AAS SDL Tar eet Startup Pile gt ase d atea sata tele la ao AAO S DERS et Command Ple coi a ide CHAPTERS SDI TARGET COMPONENT MENU ENTRIES 3l INTRODUCTION ar ES A aa No ma cee ales 22 LOADING ANCAPPLICATION capas Dai A DA ORE Sasa eos MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc CONTENTS AA MOTOROLA 59 COMMUNICATIONS BAUD RA TE A ea tee ih 5 1 ye etl HRs INN EN e 2 r gsc T Seis eevee H sc rset de fi GLI ete de ce aan a deal Aa E e 5 1 2 Mamun Sad Rate ta a hak aie oe a Bad Ae kee ie dle 5 2 o A CON Aisa ae tt atl O 5 2 DE MIG SEE Ta e ca DD UG i eae 5 2 5 5 0 MCULE Clock PrequenCy aia airada airis 5 3 5 5 0 Memory ConmeuratiOn 55 5 4 daca bd ra bd Sarah bd eee bo de eee h
5. Freescale Semiconductor Inc MCUEZSDI D september 1997 MCUez FOR SERIAL DEBUG INTERFACE USER S MANUAL Copyright 1997 HIWARE AG All Rights Reserved For More Information On This Product o to www freescale com Freescale Semiconductor Inc Important Notice to Users While every effort has been made to ensure the accuracy of all information in this document Motorola assumes no liability to any party for any loss or damage caused by errors or omissions or by statements of any kind in this document its updates supplements or special editions whether such errors are omissions or statements resulting from negligence accident or any other cause Motorola further assumes no liability arising out of the application or use of any information product or system described herein nor any liability for incidental or consequential damages arising from the use of this document Motorola disclaims all warranties regarding the information contained herein whether expressed implied or statutory including implied warranties of merchantability or fitness for a particular purpose Motorola makes no representation that the interconnection of products in the manner described herein will not infringe on existing or future patent rights nor do the descriptions contained herein imply the granting or license to make use or sell equipment constructed in accordance with this description Information contained in this document applies to REVisi
6. G THE EVB WITH THE SDI AA MOTOROLA 7 2 MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA SDI COMMANDS CHAPTER 8 SDI COMMANDS 8 1 INTRODUCTION The following sections describe all SDI commands 8 2 COMMANDS The SDI incorporates two commands BAUD and RESET BAUD Short baud rate syntax BAUD rate rate Specifies the new baud rate and must be an integer constant with one of the following specific values deci mal 1200 2400 4800 9600 19200 28800 38400 57600 Description The BAUD command sets or displays the baud rate for communication between the system controller and the host computer For maximum performance you must set the baud rate as high as the host computer can accommodate The maximum rate is 57600 the default baud rate 1s 9600 If you do not enter a baud rate the command displays the Communications Baud Rate Specification dialog window for interactive selection of the baud rate If the host computer is unable to support the requested baud rate an Out of synchronization alert dialog box with two options displays If you select the ABORT option the host software exits to windows If you choose the RETRY option the 9600 baud rate is used You can also select the baud rate dialog window from the menu Example BAUD 57600 Changes the communication baud rate to 57600 the maximum rate MCUEZSDI D 8 1 For More Info
7. I 1 1 Connection 3 1 Default target 4 1 Interfacing 2 1 Loading 6 1 Memory Configuration 5 4 Menu 4 2 Menu entries 5 1 Menus 4 1 Port 2 1 Power supply 2 2 Reset command file 4 4 Setup 4 3 Startup file 4 3 Status Bar 4 2 Target Configuration 5 1 SDI driver 2 1 Serial communication 2 1 Startup cmd 4 3 System interfacing 2 1 T Target 1 1 y Variable 4 3 For More Information On This Product Go to www freescale com
8. The EVB supports the HC124A and HC129B32 controllers OPERATING THE SDI WITH THE MC68HC812A4EVB To run the SDI with MC68HC812A4EVB you must remove the BGND jumper in the EVB and you must disable the ROM chip monitor program by removing the chip select jumper from the ROM socket You must also make sure that both operating modes MODA and MODB are set to low However you can replace the default ROM chips with RAM chips Consult the EVB User s Manual to get the correct setup for the chip select jumper and other jumpers on the EVB NOTE When you connect the SDI cable to the EVB make sure that the red colored side of the cable is aligned with the odd numbered connector pins on the board OPERATING THE SDI WITH THE M68HC912B32EVB To run the SDI with the M68HC912B32EVB you must connect the SDI cable to the BDM IN connector on the evaluation board You must also set the operating mode as EVB or PAD When you select the PAD operating mode you can then use the SDI in debugging procedures on the target system For detailed information see the M6SHC9 2B32EVB User s Manual EXAMPLES To run MCUez demo with A4EVB you must place the jumper in the CSPO pin 2 and 3 on the RAM socket to allocate memory from 8000 All demo programs delivered on the SDI installation disk can be loaded and run with SDI on the EVB Board MCUEZSDI D 7 4 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc OPERATIN
9. U Selection Window suis air de 6 4 aac doses ot 5 2 Fieure 5 5 5eltine tne MC RR a reseau a EE rats ae 5 3 Figure 5 4 Memory Configuration Window 0 eee eee teenies 5 4 MCUEZSDI D 111 For More Information On This Product Go to www freescale com CONTENTS 1V Freescale Semiconductor Inc AA MOTOROLA For More Information On This Product MCUEZSDI D Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA GENERAL INFORMATION CHAPTER 1 GENERAL INFORMATION 1 1 INTRODUCTION The Serial Device Interface SDI is an interface developed by Motorola and used by MCUez to communicate with an external system called the target system 12 OVERVIEW With this interface you can download an executable program from the MCUez environment to an external target system based on a Motorola MCU which will execute the program You will also have the feedback of the real target system behavior to MCUez SERIAL DEVICE INTERFACE SDI Host System Target System Figure 1 1 The Serial Device Interface SDI MCUez supervises and monitors the target system s MCU for example controls the CPU execution You can read and write to internal external memory even when the CPU is running single step run and stop the CPU and set breakpoints in the code MCUEZSDI D 4 1 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc GENERAL INFORMATION AA MOTOROLA
10. an try a new communication device Eventually the chosen communication device that makes a connection is saved for future debugging sessions Click Cancel to quit the dialog box and the environment The default device is COM1 MCUEZSDI D 3 1 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc COMMUNICATION CONFIGURATION AA MOTOROLA NOTE The communication device and the baud rate saved through this dialog override the BAUDRATE and COMDEV environment variables of the default env file 33 DATA FORMAT The data format used is 8 data bits 1 stop bit no parity and variable baud rate The default speed is 9600 baud unless defined using the SDI Communication menu option in the Target menu 3 2 MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA DEFAULT TARGET SETUP AND MENUS CHAPTER 4 DEFAULT TARGET SETUP AND MENUS 4 1 INTRODUCTION The Target menu loads the SDI target component It can also be set as a default target in the project ini file The project ini file is located in the working directory See the MCUez Debugger User s Manual for more information about the project ini file The following illustration shows an example of aproject ini file LDEFAULTS Window0 Source Windowl Assembly Window2 Register Window3 Memory Window4 Data Window5 Command Window6 Module Target Motosil Figure 4 1 E
11. c Example comdev dev ttyb 4 4 5 SDI Target Startup File The startup cmd file is executed by MCUez after the SDI target driver loads This file must be located in the working directory You can use any MCUez command in this file and take advantage of the wide set of commands listed in the MCUez User s Guide MCUEZSDI D 4 3 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc DEFAULT TARGET SETUP AND MENUS AA MOTOROLA Example of a startup cmd file content wo 0x0035 0x00 wos 0Xx00l1Z 0X11 4 4 6 SDI Reset Command File The reset cmd file is executed when the Debugger is launched or when you choose Reset in the Target SDI menu This file must be located in the working directory You can use any MCUez command in this file 4 4 MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA SDI TARGET COMPONENT MENU ENTRIES CHAPTER 5 SDI TARGET COMPONENT MENU ENTRIES 5 1 INTRODUCTION The following sections describe all SDI target component menu entries 5 2 LOADING AN APPLICATION Choose the SD Load menu option to load the application to debug for example a ABS file 53 COMMUNICATIONS BAUD RATE The baud rate at which the host computer communicates with the SDI must be chosen early in a session because the system operates most efficiently when the baud rate is at the maximum rate supported by the ho
12. d eee 5 4 CHAPTER 6 LOADING THE SDI COMPONENT Oc INTRODUCTION utente rt dd dica tal 6 1 6 2 ON CHIP HARDWARE BREAKPOINT eee 6 1 6 3 EEPROM PROGRAMMING cion di ii A a ad AA eco 6 1 CHAPTER 7 OPERATING THE EVB WITH THE SDI TL ANTRODUCETION cid iia oda 7 1 7 2 OPERATING THE SDI WITH THE MC68HC812A4EVB o oooccooocooommooo o 7 1 7 3 OPERATING THE SDI WITH THE M68HC912B32EVB o oooooooommooo o 7 1 EE IS A A ee ee ee ee eee ee ee ee ee ee ee 7 1 CHAPTER 8 SDI COMMANDS Sl INTRODUCTION sanitaria hd tari oa aa dd aes 8 1 DA esa Scars de ed E haga era ie de aoe wn eda a ae edt ae 8 1 CHAPTER 9 OPERATING PROCEDURE 9 1 PERIODIC UPDATE FROM DATA COMPONENT CONTENT 9 1 9 2 PERIODIC UPDATE FROM MEMORY COMPONENT CONTENT 9 1 FIGURE Fisure 1 1 The Serial Device Interface SDI aia ta 1 1 Figure 2 1 Seral Port Connector ii 2 1 Figure 3 1 Communication Device Window 0 ccc eee eens 3 Figure 4 1 Example of projectint File 2 5 244 ic a id ai acid 4 1 11 MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA Figure 4 2 Selecting the Motosil Target Component 2 0 0 ccc ees 4 2 Fieure 4 3 1 he Sl Tarot Meni sorted gn baal idee niin dra abla encia dra e 4 2 Fiore 42 R 1 aus Bat corta ld eel ee das dto da tai 4 2 Figure 5 1 Communication Device Window 0 ccc eens 5 1 Figure 5 2 MC
13. he emulator PERIODIC UPDATE FROM MEMORY COMPONENT CONTENT To periodically update the content of the Memory component Right click in the Memory Component and select the entry Mode Periodical to open the Update Rate dialog box Enter 10 in the Rate edit box and click OK The Memory component content will refresh each second Start the application The content of the Memory component is periodically refreshed during program execution NOTE Due to hardware restrictions periodic refresh of Memory component is not possible when hardware breakpoints or triggers are used in the emulator MCUEZMMDS D 9 1 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc OPERATING PROCEDURE AA MOTOROLA 9 2 MCUEZMMDS D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA B BAUD 8 1 Baud Rate 5 1 Baud rate 3 2 BAUDRATE 3 2 4 3 C COMDEV 3 2 4 3 Communication 2 1 5 1 Communication Baud Rate 5 1 Communication Configuration 3 1 Communication device 3 1 D Data Format 3 2 Default env 3 2 4 3 E Environment variables 4 3 EVB 7 1 EVB Examples 7 1 H Hardware reset 8 2 I IMODULE 4 3 L Loading an application 5 1 M MCU 1 1 MCU frequency 3 3 MCU selection 5 2 mcuez ini 4 1 Memory Map 5 4 Menus 4 1 Motosil 4 1 MCUEZSDI D INDEX INDEX P Protocol 2 1 2 2 5 2 R RESET 8 2 Reset cmd 4 4 SD
14. his Product Go to www freescale com 4 4 Freescale Semiconductor Inc AA MOTOROLA DEFAULT TARGET SETUP AND MENUS ADVANCED SDI ENVIRONMENT SETUP The communication between MCUez and SDI is automatically set at startup However it is possible to manually set your communication and other parameters as described in the following sections 4 4 1 SDI Default Environment As with any MCUez component you can set parameters for the SDI target component through the default env file which must be located in the working directory The section shown below is a sample of the default env file concerning the SDI example BAUDRATE 57600 IMODULE SIM 4 4 2 Parameters Override If you do not specify these parameters the default value is assumed see below This default value can be changed individually if needed 4 4 3 IMODULE The MCU ID provides the default values for the integration module To override these values you must specify one of the following module types using the IMODULE parameter SIM SCIM RPSCIM SCIM2 LIM_N_MUX LIM_MUX SLIM_N_MUX SLIM_MUX Example IMODULE SIM 4 4 4 COMDEV This parameter specifies the device to use between host and SDI COM1 is the default communication device for PCs and dev ttya is th default for UNIX systems You can set a different device from the following lists For aPC Any valid communication device COM1 COM2 etc Example COMDEV COM3 For SUN Any valid communication device dev ttya et
15. on 0 MCUez The computer program contains material copyrighted by Motorola Inc first published 1997 and may be used only under a license such as the License For Computer Programs Article 14 contained in Motorola s Terms and Conditions of Sale Rev 1 79 Trademarks This document includes these trademarks MCUez is a trademark of Motorola Inc EXORciser is a trademark of Motorola Inc The MCUez development emulation and debugging application is based on HI WAVE a software technology developed by HIWARE HI WAVE is a registered trademark of HIW ARE AG AIX IBM and PowerPC are trademarks of International Business Machines Corporation SPARC is a trademark of SPARC international Inc Sun and SunOS are trademarks of Sun Microsystems Inc UNIX is a trademark of Novell Inc in the United States and other countries licensed exclusively through X Open Company Ltd X Window System is a trademark of Massachusetts Institute of Technology Motorola and the Motorola logo are registered trademarks of Motorola Inc Motorola Inc is an Equal Opportunity Affirmative Action Employer For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA CONTENTS CONTENTS CHAPTER 1 GENERAL INFORMATION sl SUNT ACTON ees ese eh ane a tase renew sti a tess tenet cae oe EL OVERVIEW ur CHAPTER 2 INTERFACING YOUR SYSTEM TO A TARGET Ze INTRODUCTION ass od Da mre re ere ant A LLO SEEM LOW
16. rify the communication and 1f it fails it will search for a valid frequency in the following order 16 MHz 8 MHz 4 MHz 2 MHz 1 MHz 12 MHz 6 MHz 3 MHz 1 5 MHz 14 MHz 10 MHz 7 MHz 5 Mhz If the communication cannot be verified a message displays At startup the debugger uses the specified frequency When the debugger fails and the check box Auto detect is checked it will also try to find a fitting frequency If it was not possible to establish proper communication an error message displays followed by this dialog Selections are saved and used as defaults for the next session eSDI D 5 3 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc SDI TARGET COMPONENT MENU ENTRIES AA MOTOROLA 5 3 6 Memory Configuration Choose the SDI Memory Map menu option to open this dialog Memory Configuration x Configuration File Wo Sproject BIN SO0SCO O mem M Auto select according to MEU Id O30 Memory Type Start End Comment 0000 01FF MEMORY TOP FAM OS00 ORFF MEMORY FAM MEMORY_EEPROM FAM a000 FFEF MEMORY_AAM IO FFCO FFFF MEMORY_TOP Start 800 End EFF Type RAM 9 Comment MEMORY PAN Add Update Delete Cancel Help Figure 5 4 Memory Configuration Window The memory configuration window contains the physical setup of the target This setup loads automatically if the Auto select box is checked MCUez identifies the setup
17. rmation On This Product Go to www freescale com Freescale Semiconductor Inc SDI COMMANDS AA MOTOROLA RESET Short target reset syntax RESET Description Resets the SDI target specified in the hardware reset and executes the reset cmd file This command can be executed when loading the Command Line Component or in any other command file NOTE Refer to Chapter 5 of the MCUez Debugger User s Manual for detailed command line information 8 2 MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA M OTOROLA OPERATING PROCEDURE CHAPTER 9 OPERATING PROCEDURE 9 1 PERIODIC UPDATE FROM DATA COMPONENT CONTENT 9 2 You can configure the debugger to periodically refresh the Data component while the application is running Since the emulator ensures non intrusive access on emulated RAM your application continues to run in real time For the debugger to periodically update the content of the Data component Right click in the Data Component and select the entry Mode Periodical to open the Update Rate dialog box Enter 10 in the Rate edit box and click OK The content of the Data component will refresh each second Start the application The Data component content is periodically refreshed during program execution NOTE Due to hardware restrictions periodic refresh of the Data component is not possible when hardware breakpoints or triggers are used in t
18. st computer This baud rate is set automatically when MCUez starts to communicate with the SDI However you can modify this baud rate as explained below 5 3 1 Communication Select the SDI Communication menu option to display the dialog box shown below If you know the maximum rate your host supports select it from the drop down menu 115200 is not supported on the SDI Otherwise select 57600 If communication fails the baud rate reduces automatically until communication works with the host computer Communication Device Specification Communication Device com Cancel Help Figure 5 1 Communication Device Window MCUEZSDI D 5 1 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc SDI TARGET COMPONENT MENU ENTRIES AA MOTOROLA 5 3 2 Maximum Baud Rate Dd 5 3 4 9 2 The maximum baud rate depends on the speed and interrupt load of the host computer On slow notebook computers or on computers running on a network the maximum baud rate can be as low as 19200 A buffered I O card allows the maximum rate of 57600 on any host computer The default value is 9600 Show Protocol If the Show Protocol box is checked all the commands and responses sent and received are reported in the command line window This feature is used by support personnel from Motorola MCU Selection Choose the SDI Set MCU menu option to open this dialog MCU Selection Fa MCE8HC912
19. t system supplies power to the SDI This power supply must conform to the TTL standard If it does not conform to the standard the SDI must have its own power supply MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA COMMUNICATION CONFIGURATION 3 1 3 2 CHAPTER 3 COMMUNICATION CONFIGURATION INTRODUCTION The communication between the MCUez application and the SDI interface is set automatically If the default communication settings are used the dialog shown in Figure 3 1 pops up You must make sure that the parameters on your host computer are configured correctly Also check that the SDI interface is set correctly otherwise there will be no communication between the MCUez application and the target COMMUNICATION DEVICE If the host and target are not connected or the connection is not made via the communication device a dialog box pops up in the MCUez application as shown below Communication Device Specification Communication Device Baud Rate 3600 M T Show Protocol Cancel Help Figure 3 1 Communication Device Window Choose an available communication device and enter 1t in the Communication Device edit box Set the baud rate with the drop down menu and click Connect This command only tries the communication device you selected If the connection is not established a message box displays Once the message box displays you c
20. through the MCU ID given in the previous dialog However you can modify this configuration save 1t or load a different one You can also add new fields remove fields or edit them 5 4 MCUEZSDI D For More Information On This Product Go to www freescale com Freescale Semiconductor Inc AA MOTOROLA LOADING THE SDI COMPONENT CHAPTER 6 LOADING THE SDI COMPONENT 6 1 INTRODUCTION The MCUez target component monitors the SDI interface The SDI driver loads when you load the SDI target component The SDI target DLL is not included in the MCUez base installation The SDI target component is loaded through the project ini file or through the Component Set Target menu option by choosing Motosil 6 2 ON CHIP HARDWARE BREAKPOINT An on chip hardware breakpoint module can be used to implement breakpoints To invoke this module to take advantage of hardware breakpoints you must initialize the environment variable HWBPMODULEADR in the default env file with the address in memory of the hardware breakpoint module Make sure that the line is not in remark If you are not using hardware breakpoints and the associated module comment out the line shown below Example HWBPMODULEADR 0x20 The SDI hardware breakpoint can only handle two breakpoints at the same time Additional breakpoints will be considered as software breakpoints If you are debugging your code in flash you should not set more than two breakpoints Some actions like stepping
21. xample of project ini File MCUEZSDI D 4 1 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc DEFAULT TARGET SETUP AND MENUS AA MOTOROLA 4 2 SETTING A TARGET The target is usually set in the project ini file as shown in Figure 4 1 If the target is not defined load the SDI target component by opening the Component menu choosing Set Target and selecting the Motosil target component File View bun Target inne Window Help Cif ao tea Sisi roa Set Target Fonts Background Color Figure 4 2 Selecting the Motosil Target Component After loading the Motosil target component the Target menu item is replaced with the SDI menu item Sek Load Reset Communication Set MCU Set MCU Speed Memory Map Figure 4 3 The SDI Target Menu The different items on the SDI menu are explained in detail in the SDI Target Component Menu Entries on page 5 1 4 3 THE MCUez STATUS BAR FOR THE SDI When you have loaded the SDI target component the MCUez status bar displays the current status of the SDI target component Reading from the left to the right are the baud rate of the serial communication the MCUez running mode the clock frequency of the target and also the current MCU ID For Help press Fl 9600 Backgnd Armed Pwr On MCBESHC1 br Software Reset Z Figure 4 4 SDI Status Bar 4 2 MCUEZSDI D For More Information On T
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