Hi DavidAlfa,
Thanks for your help. I had a look at the datasheet you linked and that is in fact the one I meant to include the link for since I'm using the Nonvolatile Memory MCP4661, so apologies for that. I'm not too sure which section of page 20 you're suggesting I should look at. Could you specify which graph, please?
Regarding my issue her:
1. The WP* physical pin tied to 3.3V is effectively useless and is not sufficient to reset the WP bit?
2. If I were to connect the WP* to my 12V supply, would that be enough to be able to write to the memory? Or would I still need to put high voltage onto A0 and send the below command to register 0x0F to achieve that? Or both simultaneously maybe?
Thanks again!