
On-Chip Debugging Emulator E1/E20 Troubleshooting Guide
R20AN0193EJ0100 Rev.1.00 Page 2 of 23
Sep. 26, 2012
Contents
1. Troubleshooting on Startup ......................................................................................................................................................4
1.1 Why Does the Warning Message “Warning (W0202003) The project file can be restored. But if you save the project,
some information may be lost.” Appear after I Load a Project? ...............................................................................................4
1.2 Why Does the Error Message “Any Compiler package (CC-RX) using the project is not installed. (E0203028)” Appear
after I Load a Project? ..............................................................................................................................................................4
1.3 Why Does the Warning Message “Warning (W0202005) Can not open the project with last saved status.
See the [All Messages] tab in the Output panel.” Appear after I Load a Project? ....................................................................5
1.4 Why Does the Error Message “Cannot find product file (file name). (E0021001)” Appear after I Load a Project? ..................6
1.5 Why is the [Emulator serial No.] Section of the [Connect Settings] Tab in the [(debug tool) Property] Panel Blank? .............7
1.6 Why Does the Error Message “Cannot detect the user system. Please check the connection between the emulator
and the user system. (E1891701)” Appear When I Connect the Emulator? ............................................................................8
1.7 Why Does the Error Message “Unable to connect to the emulator (E1: **********). (E1899000)” Appear
When I Connect the Emulator? ................................................................................................................................................8
1.8 Why Does the Error Message “Power on the user system. (E1891704)” Appear When I Connect the Emulator? .................9
1.9 Why Does the Error Message “Failed to connect with the mcu. Please confirm the state of the MD pin and the pin to
specify user boot on the target system. (E1891726)” Appear When I Connect the Emulator? ................................................9
1.10 Why Does the Error Message “The target MCU and the selected device do not match. Check the device name
specified at debugger startup again. (E1811106)” Appear When I Connect the Emulator? ..................................................10
1.11 Why Does the Error Message “A JTAG communication error. Please retry with reducing the JTAG clock. (E1811105)”
Appear When I Connect the Emulator? ..................................................................................................................................10
1.12 Why Error Message “A timeout error has occurred in emulator firmware processing. (E1815001)” Appear
When I Connect the Emulator? ..............................................................................................................................................11
1.13 Why Does the Error Message “A timeout error. The MCU is in the reset state. (E1814001)” Appear When I Connect
the Emulator? .........................................................................................................................................................................12
1.14 Why Does the Error Message “A timeout error. The command is not executable because the signal on the RESET pin
is active. (E1814302)” Appear When I Connect the Emulator? ..............................................................................................12
1.15 Why Does the Error Message “The input ID code does not match the ID code that is set in the target MCU. (E1811104)”
Appear When I Connect the Emulator? ..................................................................................................................................13
1.16 Why Does the Message “Property value is not valid.” Appear When I Enter a Value in [ID code] in the [(debug tool)
Property] Panel? .....................................................................................................................................................................14
2. Troubleshooting in Operations after Startup ..........................................................................................................................15
2.1 What is the Procedure When the Downloaded Program is not Displayed Correctly After I Start Up the Debugger? ............15
2.2 Why Are the Contents of I/O Registers in the [Memory] Panel Blank? ..................................................................................15
2.3 What is the Procedure When I Expand the RIIC (I
2
C bus interface) Entry in the IOR Panel to View the Values
of Registers but the Values are Incorrect because the IOR Panel Reads ICDRR (I
2
C Bus Receive Data Register)
Every Time the Program Stops? ............................................................................................................................................16
2.4 Why Doesn’t the Value of a Readable/Writable I/O Register Change as a Result of Writing? ..............................................16
2.5 Why Do Values in Data Flash Memory Change Every Time I View Them in the [Memory] Window? ...................................16
2.6 What is the Procedure When Rewriting the Flash Memory through the Program Succeeded with the Emulator but
Failed with the Actual MCU? ..................................................................................................................................................17
2.7 What is the Procedure When the Debugger Cannot Read the Latest Values from Location in the On-Chip Flash Memory
That Have been Altered by a User Program? ........................................................................................................................17
2.8 Why Don’t Values Change as Expected during Realtime RAM Monitoring by the E20? .......................................................18
2.9 Why Does the Error Message “Error (E0204001) Download failed. [Direct Error Cause] Address range error.
(E1891905)” Appear When I Download a Program? ..............................................................................................................18
2.10 Why Are the Displayed Addresses Different from Those Entered in the Display Position Specification Area of
the Memory Panel? ................................................................................................................................................................19
2.11 Why Are the Contents of Data Flash Memory Initialized When I Download a Program? .......................................................19
2.12 Why are the Timestamp Values Displayed by the RX210 Trace Panel Incorrect? ................................................................19