Philips Semiconductors
Product specification
IC card interface
TDA8002C
PINNING
PIN
TYPE TYPE TYPE TYPE
SYMBOL
I/O
DESCRIPTION
CT/A CT/B CT/C
CG
XTAL1
XTAL2
I/OUC
1
2
3
4
1
2
3
4
1
2
3
4
30
31
32
1
I
crystal connection or input for external clock
crystal connection
O
I/O
I/O
data I/O line to and from microcontroller
AUX1UC
auxiliary line 1 to and from microcontroller for synchronous
applications
AUX2UC
CS
5
−
−
2
3
I/O
I
auxiliary line 2 to and from microcontroller for synchronous
applications
−
5
5
chip select control input for enabling pins I/OUC, AUX1UC,
AUX2UC, CLKSEL, CLKDIV1, CLKDIV2, STROBE, CV/TV,
CMDVCC, RSTIN, OFF and MODE; note 1
ALARM
6
7
6
7
6
7
4
5
O
I
open drain PMOS reset output for microcontroller (active
HIGH)
CLKSEL
control input signal for CLK (LOW = XTAL oscillator;
HIGH = STROBE input)
CLKDIV1
CLKDIV2
STROBE
CLKOUT
DGND1
AGND
S2
8
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
9
7
10
11
12
13
14
15
16
17
18
19
20
−
10
11
12
13
14
15
16
17
18
−
10
11
12
13
14
15
16
17
18
−
8
I
9
O
10
11
12
13
14
15
16
17
18
−
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
I/O
data I/O line to and from card
AUX2
PRES
PRES
CV/TV
AUX1
CLK
auxiliary I/O line to and from card
card input presence contact (active LOW)
active HIGH card input presence contact
card voltage selection input line (high = 5 V, low = 3 V); note 1
auxiliary I/O line to and from card
clock to card output (C3I) (see Table 1)
card reset output (C2I)
19
20
−
19
−
I
−
20
21
22
23
24
25
19
20
21
22
23
24
I
21
22
23
24
25
21
22
23
24
25
I/O
O
O
O
I
RST
VCC
supply for card (C1I)
CMDVCC
start activation sequence input from microcontroller (active
LOW)
RSTIN
OFF
26
27
26
27
26
27
25
26
I
card reset input from microcontroller
O
open-drain NMOS interrupt output to microcontroller (active
LOW)
1999 Oct 12
5