tda8002at/5/c2 NXP Semiconductors, tda8002at/5/c2 Datasheet - Page 13
tda8002at/5/c2
Manufacturer Part Number
tda8002at/5/c2
Description
Ic Card Interface
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8002AT5C2.pdf
(28 pages)
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Philips Semiconductors
Fault detection
The following fault conditions are monitored by the circuit:
1997 Nov 04
handbook, full pagewidth
Short-circuit or high current on V
Removing card during transaction
V
Overheating.
IC card interface
DD
dropping
OSC_INT/64
PRES
V CC
OFF
CLK
RST
I/O
CC
Fig.12 Emergency deactivation sequence.
t 10
t 11
t 12
t 13
13
high - Z
When one or more of these faults are detected, the circuit
pulls the interrupt line OFF to its active LOW state and a
deactivation sequence is initiated. In case the card is
present the interrupt line OFF is set to HIGH when the
microcontroller has reset the CMDVCC line HIGH (after
completion of the deactivation sequence). In case the card
is not present OFF remains LOW.
t 14
t de
Product specification
MGE740
TDA8002
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