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Programming error messages

3.5 Programming error messages

Errors may occur during programming. The causes of errors cannot be presented in detail due to the

limited space of the LCD screen. Instead, a brief error message appears, and the details of each error

are given below.

Error messages

Error details and causes

No device-ID

Read-ID = 0xxxxx

Wrong device is selected, or VDD/GND or signals are not

connected.

Wrong device is selected.

Power Check

Vdd : xx or Vpp : xx

Incorrect VDD/VPP voltage was supplied;

During on-board programming, the voltage level on the target

board dropped too much due to high current consumption; or

During on-board programming, the target board is short-circuit.

Trim Chk. Failed

No device-specific data is found; or

During on-board programming, a device reset occurred.

Erase failed

Erase failed.

Verify Fail

Addr : xxxxxx

Data : xx => xx

Verification failed.

For example,

Addr : 1234

Data : 56 => 78

Failed address is 1234

Normal case: Read value is 56

Fail case: Read value is 78

Fail:Ext. Power On

Remove Ext. Power

During on-board programming, the target board is supplied with

external power.

Remove the external power.