Il transceiver XTR-903-A rappresenta una soluzione semplice ed ...
Il transceiver XTR-903-A rappresenta una soluzione semplice ed ...
Il transceiver XTR-903-A rappresenta una soluzione semplice ed ...
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Pin Description<br />
RF GND – pin 1,3<br />
ANT – pin 2<br />
Multichannel Micro Emb<strong>ed</strong>d<strong>ed</strong> Transceiver<br />
<strong>XTR</strong>-<strong>903</strong>-A8 868-870 MHz<br />
1 18<br />
Pin No. Nome Pin<br />
2<br />
3<br />
17<br />
16<br />
Pin 1-3<br />
Pin 2<br />
Pin 9-10-18<br />
RF GND<br />
ANT<br />
GND<br />
<strong>XTR</strong>-<strong>903</strong>-A8<br />
15<br />
14<br />
Pin 11<br />
Pin 12<br />
SP1<br />
RSRX<br />
13<br />
12<br />
Pin 13<br />
Pin 14<br />
Pin 15<br />
485EN<br />
RSTX<br />
SP2<br />
11<br />
Pin 16 PWRDN<br />
9<br />
10<br />
Pin 17 Vcc<br />
RF ground plane connection.<br />
Antenna terminal, 50 ohm imp<strong>ed</strong>ance.<br />
GND – pin 9,10,18<br />
Ground (0V).<br />
SP1, SP2 – pin 11,15<br />
These pins allow selection of input/output serial data spe<strong>ed</strong>.. Setting up them, it is possible<br />
to select one of the three enabl<strong>ed</strong> spe<strong>ed</strong>, from 9600 bps to 38400 bps. Table 1 illustrates how<br />
to set up the desir<strong>ed</strong> value:<br />
SP1 SP2 Spe<strong>ed</strong><br />
GND Vcc 9600<br />
Vcc Vcc 19200<br />
Vcc GND 38400<br />
Table 1 – Set up of serial data spe<strong>ed</strong><br />
AUR°EL S.p.A. Via Foro dei Tigli, 4 - 47015 Modigliana (FC) – ITALY July 25th, 2003<br />
Tel.: +390546941124 – Fax: +390546941660 Pag 2 di 18<br />
http://www.aurel.it - email: lab-el@aurel.it<br />
Preliminary
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