AVR signatura...

[administrator]

V Ethernutu se k tomuto ucelu pouziva analogovy multiplexer prepinany
resetem. V pripade 75176 by melo stacit hodit pri programovani ENABLE RE/ do
H (odpojit prijimac). Vysilac muze zustat zapojen.
Jan Matejka

> -----Original Message-----
> From: hw-list-bounces@list.hw.cz 
> [mailto:hw-list-bounces@list.hw.cz] On Behalf Of Martin Locker
> Sent: Wednesday, February 23, 2005 7:01 AM
> To: HW-news
> Subject: Re: AVR signatura...
> 
> 
> > On Tuesday 22 February 2005 17:04, Ivo Strasil wrote:
> > > Mozna je problem v tom, ze ATmega64 a 128 nema piny MOSI, 
> MISO pro 
> > > programovani na SPI portu, ale na UART0! (viz datasheet, 
> vyplati se 
> > > to obcas cist)
> > 
> Zdavim, prave navrhuju prvni desku s ATmega128, a teprve 
> vcera jsem si vsiml teto hruzy (jeste vcas), ale nastal 
> problem. 128 jsem vybral, protoze ma dva UARTy, jak to 
> oddelit, aby to slo programovat, kdyz mam na UARTu0 povesenou 
> RS485 (75176)? Nuze nekdo doporucit reseni?
> 
> 					Diky
> 
> 
> Martin Locker
> VOS a SPS Rychnov nad Kneznou
> e-mail: locker@vosrk.cz
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