SOFTUNE Trouble Shooting
FR Family FR81S Series, Emulation System, Doc. No. 002-04887 Rev. *A
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3.
Prompt: “E4403W: Target MCU not found. Specify CPU information file?...”
Figure 6-2. Trouble Shooting (2)
Did you update the SOFTUNE “.csv” and “FLASH” files from web page link
Please follow guidelines in “Readme.txt” of the csv-update.
4. In debug session application is running and when application runs without debugger, a reset is caused
periodically.
Check, if internal watchdog is handled resp. disabled (please check hardware manual of the corresponding
MCU series).
5.
Prompt: “The connection cannot be established to the target MCU.”
Figure 6-3. Trouble Shooting (3)
Power off hardware system and debugger and power on again.
Any ROM area might be not defined correctly. Please use Cypress Flash Programmer tool, if MCU can be
programmed via UART interface. Switch MCU mode pins into “serial write mode” (see Table 6-1)Apply .mhx
file from the MCU specific template project and start Flash programming by pressing button [Full Operation
(D+E+B+P)] (see chapter 7. ). Starting debug session with the template project resp. the original project
should be possible again. In this case check resp. change ROM area settings.
Check, if mode pins are in “user mode” (see Table 6-1). Change settings, if incorrect and make a Power-On
reset on target hardware.
Table 6-1. Mode Pin Settings
Operation mode
MD1
MD0
P006
User mode
0
1
-
Serial writer mode
1
0
1
