Here's a link to the product table for the AVR's.  Notice that the 162
in fact does not have an ADC, but it does have two UARTs.  The Mega16
has an ADC as well.  That chips specs are simply Bizarre.


Shawn Wilton
Junior in CpE
MicroBiologist

Phone: (503) 881-2707
Email: shawn@black9.net

http://black9.net


Liam O'Hagan wrote:
> The AT90S8535, and the ATMEGA32s have 8 channel 10 bit ADC's, seems strange
> that the MEGA16 doesn't...
>
> -----Original Message-----
> From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU] On
> Behalf Of Herbert Graf
> Sent: Friday, 16 April 2004 10:04 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [PIC/AVR] PIC vs AVR (ATMEL)
>
>
>
>>What do you mean by extended I/O space that you can't use I/O opcodes
>>on?  If I'm thinking of the same I/O space you are, it's because they
>>managed to pack so much in to the chip, but they are limited by the
>>size of the instruction word.  So they can only access the first 64
>>locations, and the rest have to be accessed using the extended I/O
>>operations.  No biggy.
>>
>>Just means that instead of
>>in r16
>>you have
>>lds r16
>
>
>         Exactly, which is to me just as annoying as banks on the PIC.
>
>
>>If there's latency coming out of sleep, perhaps it's your oscillator?
>>I've never had a problem with latency, especially since these chips
>>are quite a bit faster than your standard pic (can't speak of the 18
>>series, though some are on order).
>
>
>         It's not a matter of it being a "problem", it is an annoyance, and
> one that would seriously limit some of my uses (often when I use interrupts
> coming out of sleep I need a very short latency to do things right).
>
>
>>I'm surprised there's a chip out there that doesn't have an ADC.  I
>>thought every chip since 1998 had an ADC on it.  ;-)
>
>
>         Agreed, I choose the chip because I THOUGHT it had an ADC (since the
> port pins were labeled in a way that made me think that), only upon closer
> inspection did I find out it has comparators. TTYL
>
> ----------------------------------
> Herbert's PIC Stuff:
> http://repatch.dyndns.org:8383/pic_stuff/
>
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