Changes 18F452 now use 18F4520

Hello

I use since 2 years 18F452 and need now to migrate to 18F4520 "cheaper"
I use PortA and PortE as digital inputs and have in my code ADCON1 = $07
Must i change anything in my code when i use the 18F4520 ?

Thanks
Regards
Pedro

Quote:

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Originally Posted by Pedro Santos

I use since 2 years 18F452 and need now to migrate to 18F4520 "cheaper"
I use PortA and PortE as digital inputs and have in my code ADCON1 = $07
Must i change anything in my code when i use the 18F4520 ?

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What does the PIC18F4520 datasheet say?
Incidentally, there is an app note from Microchip labelled something like '18F452 to 18F4520 Migration'...

Thank You

Regards
Pedro