Atmega328P variants

Other Hardware 3rd Party Boards
1

Hi,

I had ordered Atmega328PB-AU but got Atmega328PB-U.

What variant is Atmega328PB-U? I dont see any detail in the datasheet?
Is there any link where all the variants and differences are mentioned?

Thanks,
WI

2

Microchip has changed the (Atmel) package labeling to match their existing naming scheme. It may take a while for the documentation to catch up (not that chip markings have always been well documented.)

The 328PB only has two packages - either you have one with leads (TQFP) and it will match the -AU that you wanted, or it's a QFN and obviously won't.

3

Thanks

4

I have worked on both of them and there's not much difference, although when you want to install bootloader on them then you need to be careful.

They have different avr dude signature and you have to change them in the config file of avr dude.