Another "ATMEGA328 won't program" thread.

Using Arduino Microcontrollers
1

I have some new from DigiKey ATMEGA328PU in the DIP28 package.

I am burning them for 8mhz internal clock. Using MiniCore.

They seem to take the bootloader OK (shows successful), but when I go to put my program in, I get the "not in sync" error.

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x57

Yes, I pulled the micro out of the Uno before programming my new 328. Also tried an FTDI cable, no joy.

I know it has to be simple, thoughts?

2

Rat_Patrol:
I know it has to be simple, thoughts?

There's something wrong in the way that you have connected everything together.

3

I made a shield for it, and because I don't have a photo hosting account I'll just list the connections:

Arduino Pin 328 pin
13 19
12 18
11 17
10 1 (also has 10k pull up resistor to +5v)

328pins:
7&20 to +5 (also has .1uF cap, tried with it connected and disconnected)
8&22 to GND

ETA: Just tried again with my old hand-made shield (the new one is a proper PCB), and I get the same error, only the resp is different:

avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xbc

4

Are you trying to upload your sketch over serial using the bootloader, or via ICSP? These connections:

Rat_Patrol:
Arduino Pin 328 pin
13 19
12 18
11 17
10 1 (also has 10k pull up resistor to +5v)

are for uploading over ICSP. You'll need to use the Tools>Upload Using Programmer option, rather than the normal 'Upload' button in the IDE.

5

I don't have a photo hosting account

Post photos as attachments.

6

BJHenry:
Are you trying to upload your sketch over serial using the bootloader, or via ICSP? These connections:are for uploading over ICSP. You'll need to use the Tools>Upload Using Programmer option, rather than the normal 'Upload' button in the IDE.

That was it; using the "Upload Using Programmer". Completely forgot about that!

Haven't tried it in circuit yet, but it took the program. I did try BLINK, and it worked fine.

Thanks again!

7

No worries, I'm glad to hear you got it working :slight_smile: