By far, the most frequent reason for a verification disagreement is inadequate or unstable physical contact between the SOIC8 test clip and the flash IC pins .
The chip and programmer disagree on every single byte because the electrical basis of "what is a 0 or 1" is different for each. By far, the most frequent reason for a
to make sure it’s empty (if it says "not null," you have a problem). Write the new file. Verify the write. Write the new file
Download and use NEOProgrammer 2.2.0.10 . Users report that chips failing with the top software often work perfectly with NEOProgrammer. Users report that chips failing with the top
If the clip absolutely will not work, you must desolder the chip and use a DIP8 socket adapter. This guarantees a perfect connection. Checklist for Successful Flashing To avoid this error entirely, follow this procedure: the chip content. Verify the read chip against the file on your PC. Erase the chip.