Philips Semiconductors
Product specification
IC card interface
TDA8002
PINNING
PIN
TYPE A TYPE B TYPE G
SYMBOL
I/O
DESCRIPTION
XTAL1
XTAL2
I/OUC
1
2
3
4
1
2
3
4
30
31
32
1
I/O
I/O
I/O
I/O
crystal connection or input for external clock
crystal connection
data I/O line to and from microcontroller
AUX1UC
auxiliary line to and from microcontroller for synchronous
applications
AUX2UC
5
−
2
I/O
auxiliary line to and from microcontroller for synchronous
applications
ALARM
ALARM
−
5
6
3
4
O
O
open drain NMOS reset output for microcontroller (active LOW)
6
open drain PMOS reset output for microcontroller (active
HIGH)
CLKSEL
7
7
5
I
control input signal for CLK (LOW = XTAL oscillator;
HIGH = STROBE input)
CLKDIV1
CLKDIV2
STROBE
CLKOUT
DGND1
AGND
S2
8
8
6
I
I
control input with CLKDIV2 for choosing CLK frequency
control input with CLKDIV1 for choosing CLK frequency
external clock input for synchronous applications
clock output (see Table 1)
9
9
7
10
11
12
13
14
15
16
17
18
19
20
−
10
11
12
13
14
15
16
17
18
−
8
I
9
O
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
supply digital ground 1
supply analog ground
I/O
capacitance connection for voltage doubler
VDDA
supply analog supply voltage
S1
I/O
I/O
I/O
I/O
I
capacitance connection for voltage doubler
VUP
output of voltage doubler (connect to 100 nF)
data I/O line to and from card
I/O
AUX2
PRES
PRES
AUX1
CLK
auxiliary I/O line to and from card
active LOW card input presence contact
active HIGH card input presence contact
auxiliary I/O line to and from card
clock to card output (C3) (see Table 1)
card reset output (C2)
19
20
21
22
23
24
25
I
21
22
23
24
25
I/O
O
RST
O
VCC
O
supply for card (C1) (decouple with 100 nF)
CMDVCC
I
active LOW start activation sequence input from
microcontroller
RSTIN
OFF
26
27
26
27
25
26
I
card reset input from microcontroller
O
open drain NMOS interrupt output to microcontroller (active
LOW)
MODE
VDDD
28
−
28
−
27
28
29
I
operating mode selection input (HIGH = normal; LOW = sleep)
supply digital supply voltage
supply digital ground 2
DGND2
−
−
1997 Nov 04
5