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Re: [AVR-Chat] Re: comms problem

2008-04-08 by dlc

Could we be having a "Mars Rover" problem?  0x16 = 22 decimal (close to 
24), could this be a hex vs. decimal thing?

Just a blind speculation,
DLC

Brian wrote:
>> Have a look at the Mega16 datasheet on page 145 and you'll see that
>> nowhere does it say to use 24 as a UBRR divisor, it's always 16 (or 
> 8
>> for double speed mode). If you're having to use 24 then either your
>> clock speed is wrong or you ar esetting the wrong divisor. You 
> stated
>> that '0x51' is the correct divisor, however it should be a 
> decimal '51'
>> not hex '51' which is what you are setting.
>>
>> Brian (another one)
> 
> I have read the datasheet. I'm not sure why it worked but it does and 
> yes I would like to figure it out.
> 
> I have uploaded photos for my clock signal for a 2.4576 xtl
> http://tech.ph.groups.yahoo.com/group/AVR-Chat/photos/view/ba64?b=1
> 
> and the data stream set at 9600 baud.
> http://tech.ph.groups.yahoo.com/group/AVR-Chat/photos/view/ba64?b=2
> 
> Is there a prescaler for the system clock? Not sure what to look at 
> next to figure it out.
> 
> Brian
> 
> 
> 
> ------------------------------------
> 
> Yahoo! Groups Links
> 
> 
> 

-- 
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Dennis Clark          TTT Enterprises
www.techtoystoday.com
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