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Topic: ATMEGA328P U incompatible? (Read 5319 times) previous topic - next topic

line_code

Microchip's Support page.
Microchip's Contact page.
I did find those already, but I was really hoping to just email someone at the company.  I might just have to settle for using something on those pages.

line_code

Mouser finally emailed back.  They contacted Microchip for me who said this:

Quote
As part of Part marking change due to the migration from Atmel to Microchip, the package identifier has been removed from the device marking as this can be observed visually for different packages. This will be updated in the upcoming revisions of the device datasheet.  As per this new marking the ATMEGA328P U are valid devices without any process change.  Please provide more details on the application and nature of failure so that we can check this further.
That answers the question about the new marking. I'll respond to the email soon and explain the issues I have.

pert

Thanks for the update! I guess they left the "U" because that's the indicator for some characteristic.

Dargoon

How to program that chip(Atmega 328p U) using arduino uno board mounted on it?


Arduino: 1.8.7 (Windows 7), Board: "Arduino/Genuino Uno"

Sketch uses 6760 bytes (20%) of program storage space. Maximum is 32256 bytes.
Global variables use 448 bytes (21%) of dynamic memory, leaving 1600 bytes for local variables. Maximum is 2048 bytes.
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x66
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x66
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x66
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x66
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x66
avrdude: stk500_recv(): programmer is not responding
Problem uploading to board.  See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x66
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x66
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x66
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x66
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x66
Invalid library found in C:\Program Files (x86)\Arduino\libraries\AMS: no headers files (.h) found in C:\Program Files (x86)\Arduino\libraries\AMS
Invalid library found in C:\Program Files (x86)\Arduino\libraries\AMS: no headers files (.h) found in C:\Program Files (x86)\Arduino\libraries\AMS

This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.

I'm getting this msg after mounting the that chip.

Budvar10

Did you upload the bootloader into the chip?
Arduino clone with ATmega1284P   http://forum.arduino.cc/index.php?topic=277260.0

Dargoon

line_code there is no difference between them the both controller are same and good to go i am also using the ATMEGA328P U controller its working absolutely fine.

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