IE-78K0S-NS-A In-Circuit Emulator for 78K0S Series
Contents
1. Microcomputer Technical Information Document No ZBG CD 05 0104 1 2 IE 78KOS NS A Date issued November 1 2005 In Circuit Emulator for 78KOS Series paged by evelopment TANGON Multipurpose Microcomputer Systems Division 4th Systems Operations Unit NEC Electronics Corporation Related IE 78KOS NS A User s Manual Notification y Usage restriction documents U15207EJ1V0 classification Upgrade Usage Restrictions Document modification Other notification 1 Affected product IE 78KOS NS A Control codeN A B C D 2 Restrictions The following restrictions have been added See the attachment for details e No 5 The debugger hangs when an interrupt and software break conflict e No 6 Restriction when an interrupt and software break conflict e No 7 The debugger hangs if a break occurs while the internal RAM area is displayed e No 8 The program may be stopped due to an illegal fetch break if an external reset input by the RESET pin or an internal reset reset by POC LVI etc occurs e No 9 The program stops at an illegal fetch break when a reset is generated by the watchdog timer 3 Workarounds There is no workaround See the attachment for details 4 Correction schedule Items No 6 and No 9 are not planned for correction so regard these items as permanent restrictions Products in which No 2 No 5 No 7 and No 8 are corrected are scheduled for release as follows Newly shipped p2. as in an unsatisfactory state e If the power supply PC interface cable emulation probe or the like was bent or pulled excessively e If a power supply other than the one supplied with the product is used e f the product got wet e f the product and target system were connected while a potential difference existed between the GND of the product and the GND of the target system e If a connector or cable was removed while the power was being supplied to the product e f an excessive load was placed on a connector or socket b Safety precautions e f used for a long time the product may become hot 50 C to 60 C Be careful of low temperature burns and other dangers due to the product becoming hot e Be careful of electrical shock There is a danger of electrical shock if the product is used as described above in a Circumstances not covered by product guarantee
3. ction and improvement of tracer function and timer functions Specifications have been added in IE 78KOS NS A control code B No 2 Bug in contact between emulation board fixing stays metal fittings and emulation board test pin Description When connecting the IE 789488 NS EM1 IE 789850 NS EM1 or IE 789882 NS EM1 to the main board the test pins of the emulation board contact the emulation board fixing stays metal fittings Workaround As a temporary workaround connect the emulation board after removing the IE 78KO NS A emulation board fixing stays metal fittings Figure 2 1 shows the positions of the stays The emulation boards will be revised by upgrading to the following versions control code e IE 789488 NS EM1 Control code C e IE 789850 NS EM1 Control code C e IE 789882 NS EM1 Control code B The metal fittings have been replaced with the plastic brackets in IE 78KOS NS A control code D or later Figure 2 1 Removal of Emulation Board Fixing Stays Metal Fittings Emulation board fixing stays metal fittings in IE 78KOS NS A control code A B or C Emulation board IE 789488 NS EM1 IE 789850 NS EM1 IE 789882 NS EM1 Emulation board fixing plastic brackets in Main board IE 78KOS NS A control code D or later IE 78KOS NS A ZBG CD 05 0104 Attachment 3 5 No 3 After time measuring is performed in RUN BREAK mode if Go is executed without rewriting the program counter PC or applying RESET time m
4. easuring is not performed normally Description After time measuring is performed in RUN BREAK mode if Go is executed without rewriting the program counter PC or applying RESET time measuring is not performed normally Workaround There is no workaround This bug has been corrected in IE 78KOS NS A control code C or later No 4 Illegal operations occur if a software break is set to an instruction immediately before after the instruction to which a SNAP DMM event is set Description If a software break is set to an instruction immediately before after the instruction to which a SNAP DMM event is set the following illegal operations occur e The software break does not occur e The instruction to which the software break is set is not executed e The software break code is traced e The SNAP DMM event is traced twice Workaround There is no workaround This bug has been corrected in IE 78KOS NS A control code C or later No 5 The debugger hangs when an interrupt and software break conflict Description The debugger may hang when an interrupt and an instruction to which a software break is set conflict Workaround There is no workaround This bug has been corrected in IE 78KOS NS A control code D or later No 6 Restriction when an interrupt and software break conflict Description When an interrupt and an instruction to which a software break is set conflict the user program breaks at the interrupted location This restrict
5. ew version is attached to the product and the x in V UP LEVEL x on this label indicates the control code 2 Product History Bugs and Changes Additions to Specifications Control Code Addition of performance functions Bug in contact between emulation board fixing stays metal fittings and emulation board test pin After time measuring is performed in RUN BREAK mode if Go is executed without rewriting the program counter PC or applying RESET time measuring is not performed normally Illegal operations occur if a software break is set to an instruction immediately before after the instruction to which a SNAP DMM event is set The debugger hangs when an interrupt and software break conflict x x Restriction when an interrupt and software break conflict Permanent restriction The debugger hangs if a break occurs while the internal RAM area is displayed The program may be stopped due to an illegal fetch break if an external reset input by the RESET pin or an internal reset reset by POC LVI etc occurs The program stops at an illegal fetch break when a reset is generated by Permanent restriction the watchdog timer x Applicable V Not applicable or already corrected Specification change not implemented ZBG CD 05 0104 Attachment 2 5 3 Details of Bugs and Added Specifications No 1 Enhancement of performance function Description Addition of coverage fun
6. ion applies to products in which item No 5 is corrected it is not applicable to control codes A B and C Workaround There is no workaround Regard this item as a permanent restriction No 7 The debugger hangs if a break occurs while the internal RAM area is displayed Description The debugger may hang if a break other than a forced break occurs during user program execution under either of the following conditions ZBG CD 05 0104 Attachment 4 5 The Watch window is open with the internal RAM area displayed The Memory window is open with the internal RAM area displayed Workaround There is no workaround This bug has been corrected in IE 78KOS NS A control code D or later No 8 The program may be stopped due to an illegal fetch break if an external reset input by the RESET pin or an internal reset reset by POC LVI etc occurs Description If an external reset input by the RESET pin or an internal reset reset by POC LVI etc occurs the program may be stopped due to an illegal fetch break fail safe break function This bug does not depend on the emulation board emulation probe or target system Workaround There is no workaround This bug has been corrected in IE 78KOS NS A control code D or later No 9 The program stops at an illegal fetch break when a reset is generated by the watchdog timer Description When the watchdog timer is used in a mode in which a reset is generated upon
7. program loop detection and then a reset occurs the program may be stopped due to an illegal fetch break fail safe break function e Products affected by this bug IE 789014 NS EM1 IE 789026 NS EM1 IE 789046 NS EM1 IE 789088 NS EM1 IE 789136 NS EM1 IE 789177 NS EM1 IE 789306 NS EM1 IE 789418 NS EM1 IE 789436 NS EM1 IE 789456 NS EM1 IE 789468 NS EM1 IE 789488 NS EM1 IE 789801 NS EM1 IE 789831 NS EM1 IE 789835 NS EM1 IE 789840 NS EM1 IE 789850 NS EM1 IE 789852 NS EM1 IE 789860 NS EM1 IE 789862 NS EM1 IE 789871 NS EM1 e Products not affected by this bug IE 789234 NS EM1 IE 789842 NS EM1 IE 789882 NS EM1 Workaround There is no workaround Regard this item as a permanent restriction ZBG CD 05 0104 Attachment 5 5 4 Cautions 4 1 Caution when used with integrated debugger ID78KOS NS When the IE 78KOS NS A is used with an integrated debugger use the ID78KOS NS V2 20 or later for debugging the latest version recommended V1 1 or earlier cannot be used for debugging 4 2 General cautions on handling this product a Circumstances not covered by product guarantee e If the product was disassembled altered or repaired by the customer e f it was dropped broken or given another strong shock e Use at overvoltage use outside guaranteed temperature range storing outside guaranteed temperature range e f power was turned on while the power supply PC interface cable or target system connection w
8. roducts From the shipment of late November 2005 control code D Upgrade for already shipped products Available from November 15 2005 Note that this schedule is subject to change without notice For the detailed release schedule of modified products contact an NEC Electronics sales representative 5 List of restrictions See the attachment Note The control code is the second digit from the left in the 10 digit serial number If the product has been upgraded a label indicating the new version is attached to the product and the x in V UP LEVEL x on this label indicates the control code ZBG CD 05 0104 2 2 6 Document revision history IE 78KOS NS A In Circuit Emulator for 78KOS Series Usage Restrictions Document Number Issued on Description SBG T 2260 January 30 2001 Addition of new bug No 2 Details on bug No 1 are described in the document supplied with the product ZBG CD 04 0095 November 26 2004 Correction of bugs No 3 and No 4 ZBG CD 05 0104 November 1 2005 Correction of bugs No 2 No 5 No 7 and No 8 Addition of permanent restrictions No 6 and No 9 ZBG CD 05 0104 Attachment 1 5 Notes on Using IE 78KOS NS A 1 Product Version Part number IE 78KOS NS A Control Code Remark Note The control code is the second digit from the left in the 10 digit serial number If the product has been upgraded a label indicating the n
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