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how can i save my program(Adau1781) in ext E2prom


I have a problem to save the program.

I've read the document the ADAU178 is No Self-Boot then we must connect microcontroller or E2prom to i2c port.

Please tell me, how can I do it? Which E2prom is suitable? i prefer used an E2prom to save and my boot program.