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MCU Applications Engineering
A.2.3 KD30 Already Exists
When a message ‘KD30 already exists’ is displayed, the usual cause of this problem is that the
KD30 application was not properly closed. Please check if KD30 is already running by looking at
your task bar. If KD30 cannot be found there, bring up Task Manager (press CTRL-ALT-DEL
once to display the ‘Task Manager’). Select KD30.exe on the ‘Processes’ list and click on ‘End
Process’ to terminate KD30.
A.2.4 Issues that may come up During Debug Operations
While using KD30 to debug user code, some issues may come up because the limitations
discussed in section 6 were not satisfied. These common issues are listed on table A.2, including
the countermeasures.
Table A.2. Problems while using KD30
Problem Possible Cause/s and Solution
After stepping a few ? Changes were made to UART1 SFR’s.
instructions, KD30 hangs
Breakpoints do not seem to ? KD30 is in “free RUN” mode. From the “Init” window
work (Environment > Init), change RUN mode to “Sample Mode”.
KD30 locks up (cannot stop ? Changes made to UART1 SFR’s.
program) or ? Ensure no limitations in Section 6 were violated.
Communication error ? Re-initialize the system without closing KD30. See note
message is displayed. below.
? Do a hardware reset. User-program runaway may be
corrupting the kernel (RAM, interrupt vectors, flags, etc.)
Close KD30, hit reset button on the SKP8CMINI to reset the
board, and then restart KD30.
Download problems ? Filenames or directory names contain spaces or special
characters.
? HEW project not properly set up (startup files missing or out
of order, files added to wrong member, etc). Try creating a
new project and adding your source files to it. For details,
please see HEW user’s manual.
To re-initialize the system without closing KD30, try the following:
?
?
?
?
Press the [OK] button on the error dialog box to close it.
When an Exit dialog box appears, press the [Cancel] button to close it.
Hit reset button on the SKP16C26 board.
Press KD30 reset button.
After initialization, debugging can resume. However, it is recommended that you download your
program again before debugging.
Note: If it has been identified that there are problems with the ICD, please see the ICD’s (RTA-
FoUSB-MON) user’s manual and troubleshooting.
Mini R8C Starter Kit Plus
User’s Manual Rev. 1.2
17/25
January 2004
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相关PDF资料
SL03 10001 CURRENT LIMITER INRUSH 10 OHM 1A
SL03 22101 CURRNT LIMITER INRUSH 220 OHM 1A
SL05 30001 CURRENT LIMITER INRUSH 30 OHM 1A
SL05 4R003 CURRENT LIMITER INRUSH 4 OHM 3A
SL05 5R001 CURRENT LIMITER INRUSH 5 OHM 1A
SL08 10002 CURRENT LIMITER 10 OHM 2.5A
SL08 12101 CURRNT LIMITER INRUSH 120 OHM 1A
SL08 20002 CURRENT LIMITER INRUSH 20 OHM 2A
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