AVR-Chat

read Philips AN97055 or 74LVC125

--- In AVR-Chat@yahoogroups.com, xolang1 <xolang1@...> wrote:
>
> ever tried max3000 from maxim? its a biderectional logic level 
translator,.
> 
> Alexandre Guimarães <listas@...> wrote:          Hi,
> 
> I have to interface a 5 volts 160x160 LCD display to a 3.3 volts 
system 
> and after reading the LCD specs I am quite sure that I will not 
violate the 
> minimum voltage levels of the inputs but I may have to use 
partially the LCD 
> memory for other functions so I may have to use it bi-directionaly. 
My CPU 
> will be a AtMega324P. Will series resistors to limit current in the 
data bus 
> be enough in this case ? I have not found any specs in the data 
sheets about 
> how much current the internal protection diodes on the AVR's would 
take :-(
> 
> Best regards,
> Alexandre Guimaraes
> 
> 
> 
>          
> 
>        
> ---------------------------------
> Moody friends. Drama queens. Your life? Nope! - their life, your 
story.
>  Play Sims Stories at Yahoo! Games. 
> 
> [Non-text portions of this message have been removed]
>