The "Flash Check Error Address 0h" (or similar address errors like 10h) on an EZP2019 programmer typically occurs during the verification stage when the data written to the chip does not match the data in the programmer's buffer. Common Causes & Solutions
The Fix: Manually click the "Erase" button in the software interface. Wait for it to complete, then try the "Write" operation again. 2. Check Physical Connections flash check error address 0h ezp2019
The EZP2019 features a physical jumper or switch (depending on the revision) to select between 3.3V and 5V. Using the wrong voltage is catastrophic: The "Flash Check Error Address 0h" (or similar
Step 4: Verify Adapter/Wiring (For Non-ZIF Users) If you are using an external adapter (e.g., SOP-8 clip or custom PCB): SOP-8 clip or custom PCB):