US Robotics USR3500 Spécifications Page 18

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 63
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 17
Rev 1.0 1/27/14 18
18
Reference Guide
Interfaces
Figure 7. Equivalent Circuit of V
IH
, Vref = 2.8V
Figure 8. Equivalent Circuit of V
OL
, Vref = 2.8V
Figure 9. Equivalent Circuit of V
OH
, Vref = 2.8V
With Vref > 2.8V, both GPIO35 and GPIO25 may be interfaced with a component
that complies with the following levels.
Table 5. GPIO Pin Operating Conditions when Vref > 2.8V
Parameter
Min
Typ
Max
Condition
V
IL
0.84V
Please refer to Figure 10.
V
IH
1.96V
Please refer to Figure 11.
V
OL
*
058.0
110
+
Vref
Please refer to Figure 12.
V
OH
Vref*
modem Zout = 100K Pull-up to Vref, please
refer to Figure 13.
Vue de la page 17
1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 62 63

Commentaires sur ces manuels

Pas de commentaire