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Re: [avr-libc-dev] ISP with external crystal
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From: |
Joerg Wunsch |
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Subject: |
Re: [avr-libc-dev] ISP with external crystal |
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Date: |
Sun, 23 Apr 2006 10:19:13 +0200 |
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User-agent: |
Mutt/1.5.11 |
(This is fairly off-topic on avr-libc-dev, so I'm redirecting it to
avr-chat.)
As David Carr wrote:
> I'm using the Mega16 in an application where I want to do in circuit
> programming. At least to me, the datasheet is unclear about whether
> or not an external (passive) crystal connected to XTAL1 and XTAL2 is
> sufficent to provide a clock while programming. Will the crystal
> work for programming or do I need something else?
Yes, sure, it will work. Back in the days when AVRs didn't come with
a preconfigured internal RC oscillator, supplying external clock
(either directly or through a crystal) was the only option to get them
running, including with ISP.
--
cheers, J"org .-.-. --... ...-- -.. . DL8DTL
http://www.sax.de/~joerg/ NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)