AVR-Chat

Read the AVR Studio 4 Bug and Help File, I think this is listed in there
as a thing they are working on.


Regards,

Kat.

> -----Original Message-----
> From: Dan [mailto:danh48176@yahoo.com] 
> Sent: Saturday, 10 April 2004 6:03 AM
> To: AVR-Chat@yahoogroups.com
> Subject: [AVR-Chat] mega16 UBRRH/UCSRC
> 
> 
> Hello,
> 
> I'm trying to write a program that implements the UART on my ATmega16 
> and allow it to communicate with my PC.  In configuring the two 
> registers UBRRH and UCSRC, I have run into difficulty.  I understand 
> that these two registers share the same address space and that the 
> first bit determines which register is written to.  However, when I 
> run the simulator in AVRStudio 4, both registers are written no 
> matter what that bit is.  Here is the code snippet and what happens 
> in comments:
> 
> ldi temp, 0b10001100
> out UCSRC, temp     ;UBRRH = xxxx1100, UCSRC = 10001100
> ldi temp, 0b00000000
> out UBRRH, temp     ;UBRRH = xxxx0000, UCSRC = 00000000
> 
> Is this just an issue with the simulator in AVRStudio or am I really 
> making a mistake somewhere?  I do not have an STK500 because I'm in 
> college (read: poor), so I have no way of knowing what the AVR is 
> really doing.
> 
> Any help is greatly appreciated.
> Thanks,
> 
> ~Dan
> 
> P.S. - is there a way to directly input text in Hyperterminal?  What 
> are some Hyperterminal alternatives?
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
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