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Re: [avr-gcc-list] ATmega32A

From: Joerg Wunsch
Subject: Re: [avr-gcc-list] ATmega32A
Date: Wed, 29 Jun 2011 07:51:08 +0200 (MET DST)

Peter Bozzay <address@hidden> wrote:

> "The differential input channels are not tested for devices in PDIP
> Package. This feature is only guaranteed to work for devices in TQFP
> and QFN/MLF Packages."

But that doesn't mean anything were different at the chip level.  It's
still the same die that is built into the PDIP device, but due to the
much longer traces, nobody wants to guarantee anything when it comes
to the preamplified ADC channels (which are only applicable to
differential mode).

Likewise, ATmegaX8 in SMD cases feature two additional ADC inputs
which are unavailable in the PDIP version.  Presumably, they are
simply not bonded there since the 28-pin PDIP doesn't have enough
pins.  Still, from the compiler's point of view, nothing changes.

cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)

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