USBtinyISP works for atmega328 but not atmega32

USB AVR Programmer and SPI interface. Adafruit's USBtinyISP.

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USBtinyISP works for atmega328 but not atmega32

Postby superscrappy » Sun Feb 19, 2012 11:01 am

I have a USBtinyISP that I assembled from a kit. The programmer works great for an atmega328 but I am not able to initialize an atmega32 mcu. I get the following error when I try to check the fuse (or upload a hex file).

atmega32.JPG
avrdude error with atmega32
atmega32.JPG (51.62 KiB) Viewed 838 times


The set up looks like the following:

atmega32_circuit.jpg
circuit
atmega32_circuit.jpg (239.97 KiB) Viewed 838 times


atmega32 pins:
Atmega_pins.jpg
atmega32 pins
Atmega_pins.jpg (36.89 KiB) Viewed 838 times


Do I have a bad mcu? Again, it works just fine with an atmega328 but I can't initialize the atmega32. I've tried powering the mcu with the programmer and also from an external source, both result in the same error shown above.

Any help would be greatly appreciated!!
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Re: USBtinyISP works for atmega328 but not atmega32

Postby adafruit » Sun Feb 19, 2012 11:14 am

if it works with a 328 and not with something else, its a wiring problem of some sort on your protoboard, not the programmer
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