TDA8005A Datasheet, PDF (6/36 Pages) NXP Semiconductors – Low-power 3 V/5 V smart card coupler

Philips Semiconductors
Low-power (3 V/5 V) smart card coupler
Preliminary specification
TDA8005A
SYMBOL
n.c.
P20
P21
P22
P23
ALARM
n.c.
DELAY
PRES
TEST3
K4
K3
K2
K1
K0
TEST4
I/O
RST
CLK
V_CC
LIS
S5
S2
S4
V_DDA
S1
PIN
LQFP64 QFP44
39
−
40
28
41
−
42
29
43
30
44
−
45
−
46
31
47
32
48
33
49
−
50
−
51
−
52
−
53
−
54
34
55
35
56
36
57
37
58
38
59
39
60
40
61
41
62
42
63
43
64
44
DESCRIPTION
not connected
general purpose I/O port (connected to port P20)
general purpose I/O port (connected to port P21)
general purpose I/O port (connected to port P22)
general purpose I/O port (connected to port P23)
open-drain output for power-on reset (active HIGH or LOW by mask option)
not connected
external capacitor connection for delayed reset signal
card presence contact input (active HIGH or LOW by mask option)
test pin 3 (must be left open-circuit in the application)
output port from port extension
output port from port extension
output port from port extension
output port from port extension
output port from port extension
test pin 4 (must be left open-circuit in the application)
data line to/from the card (ISO C7 contact)
card reset output (ISO C2 contact)
clock output to the card (ISO C3 contact)
card supply output voltage (ISO C1 contact)
supply for low-impedance on cards contacts
contact 5 for the step-up converter
contact 2 for the step-up converter
contact 4 for the step-up converter
analog supply voltage
contact 1 for the step-up converter
1998 Mar 20
6