Limitations on SuperH™ Family E10A-USB
Contents
1. H 2 e H7125 Series Debug MCU BOARD E10A USB SYSTEM CPU SH 2 e H7147 Series Debug MCU BOARD E10A USB SYSTEM CPU SH 2 e H7137 Series E10A USB SYSTEM CPU SH 2 e SH 2A FLASH E10A USB SYSTEM 13 Event Condition for the SH 2A SH7080 Series Device Group 1 When matching of the program counter value is a condition of Event Condition for internal trace acquisition i e Only program fetched address or Only program fetched address after is selected do not specify addresses in the on chip ROM or on chip RAM as the address condition 2 Ifyou specify a break by selecting the Acquire Break checkbox and trace acquisition by selecting Condition from the Acquire Trace list box on the Action page as the action to take when a condition of Event Condition is satisfied setting of the trace acquisition will be ignored 3 4 14 Break Cause Under the following conditions the emulator shows the cause of last break when the internal trace buffer becomes full e A break of the user program has been specified as the action to take when the internal trace buffer becomes full e The user program has started to run from the address where a condition of Event Condition had been set 4 42. Rev 1 10 Limitations on SuperH Family EL0A USB Emulator Thank you for purchasing the SuperH Family E1OA USB Emulator Note that there are limitations listed below 1 Note on Downloading of Programs Verification cannot be enabled by selecting Perform memory verify during download checkbox in the Download Module dialog box in which download modules can be specified To perform verification after downloading specify verification in the Verify Memory dialog box opened by selecting Verify Memory from the Debug menu 2 Note on Using E10A USB Emulators for the SH7206 If you wish to use a PC break software break specify the SH2A_SBSTK command to enable use of a user stack before setting a PC break While enabled extra four bytes of a user stack are used when a break occurs The value of the stack pointer R15 must be correctly set in advance because a user stack is to be used By default use of a user stack is disabled For details on the command refer to the help file Example To enable use of a user stack gt SH2A_SBSTK enable 3 Restriction on Use of the Emulator with the New_SH Mobile Device Group When a break occurs while the New_SH Mobile device group is used in user DSP mode use of RO_BANK R7_BANK will not be available At this time the values are 0 If the value of SR is changed in the Register window during the break in user DSP mode this change will be reflected when the program execution resumes Be
3. fore modifying the values of RO R7 or RO_BANK R7_BANK perform stepping of the program after changing the SR value so that the new mode state will be reflected 4 Note on Connecting Two or More Emulators If two or more emulators are to be connected to a single personal computer the emulator that was connected earlier should be in the break state whenever you connect another emulator 5 Corrections 1 SuperH Family E10A USB Emulator Additional Document for User s Manual Supplementary Information on Using the SH7318 Please note that there is an error in 3 Low Power States of 2 1 Differences between the SH7318 and the Emulator in Section 2 Software Specifications when Using the SH7318 Only normal causes cancel the U standby or R standby state Cancellation by use of the STOP button is not available 1 4 2 SuperH Family E10A USB Emulator Additional Document for User s Manual Supplementary Information on Using the SH7136 and SH7137 Although this document contains section 2 2 6 Performance Measurement Function the SH7136 and SH7137 do not actually support the performance measurement function including starting or ending the measurement by using Event Condition 6 Additional Features We have added the following features to the E1OA USB Emulator V1 10 Release 00 1 Setting the Initiator ID We have changed the way of setting the Initiator group box in the Event condition 8 9 dialog box when using the SH 4A
4. op Function Setting dialog box select Setup gt Emulator gt Start Stop Function Setting or click on the Start Stop Function dialog box toolbar button Start Stop Function Setting M Run the specified routine just before the user program execution is started Start address Fo MV Run the specified routine just after the user program execution is stopped Start address Ho OK Figure Start Stop Function Setting Dialog Box 2 4 The Start Stop Function Setting dialog box contains the following options Run the specified routine just before the user program execution is started checkbox Select this box if you wish to run a user routine just before the user program execution is started Start address Specify an address where a routine will start to run just before the user program execution is started You can also specify a label Run the specified routine just after the user program execution is stopped checkbox Select this box if you wish to run a user routine just after the user program execution is stopped Start address Specify an address where a routine will start to run just after the user program execution is stopped You can also specify a label For details refer to the START_FUNCTION_BEFORE and STOP_FUNCTION_AFTER command pages in the help information for the SH7080 series E10A USB There are also the following notes e An RTS instruction must be written at the end of the user ro
5. or New_SH Mobile device group From the drop down list box select the initiator type you wish to set as the condition 2 Additional Item for the Performance Analysis Function and Profiling Function For emulation of the SH7770 the bus master can be specified on the System bus performance of the performance analysis function and profiling function 7 Note on Using the SH7243 While the SH7243 is in use the internal trace function is not available 8 Performance Measurement Even when Exception interrupt counts EA is selected as the measurement item no trap instruction exception caused by TRAPA instructions will be counted 9 Select Emulator mode Dialog Box for the SH 2A Device Group The Select Emulator mode dialog box opened at connection of the SH 2A E10A USB can now be skipped After the Do not show this dialog box again checkbox is selected the Select Emulator mode dialog box will not be opened at the time the E10A USB is connected If the Select Emulator mode dialog box should be opened every time the E10A USB is connected select Setup gt Emulator gt System and remove the tick from the Do not show this dialog box again checkbox on the Select Emulator mode dialog box 10 Start Stop Functions for the SH7080 Series Device Group The start stop functions are useful if you wish to control the user system in synchronization with the user program execution being started or stopped To open the Start St
6. utine e The user routine must end e No break should occur within the user routine e No interrupt should be accepted in the user routine e The user routine to run before the user program execution is started must end within 2 ms e The user routine to run after the user program execution is stopped must end within 30 s e User stack should be used by the user routine to run after user program execution e Ifthe user routine is to use a general purpose register saving the contents of the register making the initial setting and restoring the contents should all be done within the routine e If values are set via the Registers window of the HEW just before user program execution is started these values will not be reflected to the user routine e If values of general purpose registers are changed by the user routine execution of the user program being debugged will not be affected e While profiling is in progress the user routine start or stop runs whenever branch information is acquired 11 Note on Using the SH7263 When you use the DMAC in the SH7263 do not select the non realtime trace mode as the AUD trace acquisition mode 12 MCU Operating Modes Boot mode user boot mode and user programming mode are not supported in the systems listed below For this reason the on chip flash memory cannot be programmed while the user program is running e H7080 Series ELOA USB SYSTEM CPU SH 2 e H7125 Series EL1OA USB SYSTEM CPU S
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