6.9 Software Protected Program Cycle Waveform(1, 2, 3)

Note:
  1. A0-A14 must conform to the addressing sequence for the first three bytes as shown above.
  2. A6-A14 must specify the same page address during each high-to-low transition of WE (or CE) after the software code has been entered.
  3. OE must be high only when WE and CE are both low.