there is eeprom IC on board,I want to konw it main work,Now change new eeprom IC on my board,if have affect about system.
There are 2 eerprom. One for the module and another one for carrier board. If you change the one for carrier board, then it would have no side-effect.
I only find one eeprom.it is U11.if U11 is new IC and empty in it,system can work?
Yes, that one is for the carrier board. System can work even that is empty.
OK,What location another eerprom?
It is in the module but not the carrier board. You could read it on i2c-7 addr 0x50.
there are some chang on my circuit than your carrier,so I don’t konw if have affect.and What is work U11.