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Attiny85 programming for production

The topic on number crunching

Attiny85 programming for production

Postby makiyoung » Fri Jun 16, 2017 10:27 am

I have created a prototype PCB with an Attiny85 on board. This Attiny is programmed by the supplier before it is sent to the PCB manufacturer. I received my prototype on friday and it seems that the Attiny on the PCB has a clock speed which is much slower than mine on the breadboard.

Here is the Attiny85 date sheet.
Is the desired IC clock specification (e.g 8Mhz internal) not compiled into the HEX files one sends to IC supplier? Does it have to be specified separately?
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Re: Attiny85 programming for production

Postby nieuw 2 » Thu Jun 29, 2017 7:06 am

The divide by 8 fuse must be cancelled.
nieuw 2
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