Furthermore, the issue may stem from the condition of the chip itself. If the user is attempting to program a chip that is soldered onto a circuit board (in-circuit programming), other components on the board may interfere with the data lines. For instance, if the system MCU is holding the Chip Select (CS) line low or the CLK line is shorted to ground through another component, the EZP2019 cannot communicate, resulting in an immediate error at address 0h.
Address 0h failing means: