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How to fix the error when I connect the E10A-USB emulator to the board?

Latest Updated:06/14/2011

Question:

When I connect the E10A-USB emulator to the board, I get the following messages: "Communication Timeout Error," "INVALID ASERAM FIRMWARE!," and "Error H-UDI boot."
How can I fix this?

Answer:

Please confirm the following 8 items concerning the user system.

  1. Was the number of H-UDI connectors counted correctly?
  2. Is the wiring for the H-UDI connector correct?
  3. Is there noise on any of the H-UDI connector signal lines?
  4. Is reset is enabled for the device?
  5. Is the Vcc value is correct?
  6. Is the clock is oscillating?
  7. If using E10A-USB, are pins ASEMD, DBGMD, EMLE, etc. set correctly?
    For details, refer to the following document for the target MCU: section 1.5 Pin Assignments of the H-UDI Port Connector in the E10A-USB Emulator Additional Document for Users Manual (for H8S and H8SX families, 1.4 Pin Assignments of the E10A-USB Connector).
  8. Is the correct MCU operating mode selected?
    E10A-USB supported operating modes are listed in the E10A-USB Emulator Additional Document for Users Manual for each target MCU.

For SH2-DSP family E10A emulators, the reset vector (address H'A0000000) value is read at startup. If the reset vector cannot be read at setup due to a problem with the memory settings, the Link UP will not work.

Device-specific E10A-USB Emulator Additional Document for User's Manuals can be downloaded here.

Suitable Products
E10A-USB