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Re: [avr-gcc-list] i2c works on ATMega32 but not on ATMega128
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From: |
Onno van Eijk |
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Subject: |
Re: [avr-gcc-list] i2c works on ATMega32 but not on ATMega128 |
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Date: |
Sat, 05 Aug 2006 11:18:16 +0200 |
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User-agent: |
Thunderbird 1.5.0.5 (X11/20060728) |
Hi Ian,
> The only thing off the top of my head that I can think about is the fuse
> setting to make sure you are using the external oscillator clock and not
> the internal RC oscillator on the chip which from memory is either 4MHz
> or 8MHz.
Thanks for your suggestion, but I'm sure the ATMega128 is running at
16Mhz. Otherwise the usart would not be working eigther. Besides, I
think the twi interface would still work, only running at a much slower
klockspeed.
grz,
Onno