Regarding the Proteus8 software simulation problem, how to generally solve this problem?

You will need to use English on this site.. I have translated the title.

It would appear that you are setting the WP pin ( write protect) before the 20ms internal house keeping is completed.

Write to the eeprom THEN! wait 20mS then activate the WP pin.

Also.. The LCD isn't connected to the micro
 
Cookies are required to use this site. You must accept them to continue using the site. Learn more…