HID Global Corporation VERICLASS Manuale Utente
veriCLASS Hardware Specification VP3500 Reader Board, 3500-906
Table 22: P103 - Contact Interface 2 Class C, 1.8V
Signal
Parameter
Min
Typ
Max
Unit
Contact Card Voltage
Load = 30mA
Load = 30mA
1.656 1.8
1.944 V
CVCC (P103)
Maximum Load Current
70
mA
Table 23: Contact Interface 1, 2 Clock
Signal
Parameter
Min
Typ
Max
Unit
Output Low-level Voltage
0.3
V
Output High-level Voltage
0.8*CVCC
V
Rise Time
Cl=30pF
Cl=30pF
16
ns
CCLK1 (P102,
P103)
P103)
Fall Time
Cl=30pF
Cl=30pF
16
Ns
Table 24: Contact Interface I/Os
Signal
Parameter
Min
Typ
Max
Unit
Output Low-level Voltage
0.3
V
Output High-level Voltage
0.8*CVCC
V
Input Low-level Voltage
-0.15
0.15*CVCC
V
Input High-level Voltage 0.7CVCC
CVCC+0.5 V
Input Low-level Current
600
uA
Input Low-level Current
-40
40
uA
Rise Time
Cl=30pF
Cl=30pF
100
ns
CIO (P102,
P103)
CRST (P102,
P103)
P103)
CRST (P102,
P103)
Fall Time
Cl=30pF
Cl=30pF
100
Ns
9.5
Electrical I/O (P105)
Table 25: P105 - Electrical Characteristics I/Os
Signal
Parameter
Min
Typ
Max
Unit
Output High-level Voltage
2.9
3.3
V
Output Low-level Voltage
0.2
V
LED1-4
Current
Draw 8
mA
Buzzer
Current Draw
(Open Collector)
(Open Collector)
60
mA
March 2011
Page 27 of 28
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