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TDA8002C Datasheet, PDF (5/28 Pages) NXP Semiconductors – IC card interface
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Philips Semiconductors
IC card interface
Product specification
TDA8002C
PINNING
PIN
SYMBOL TYPE TYPE TYPE TYPE I/O
CT/A CT/B CT/C CG
DESCRIPTION
XTAL1
1
1
1
30
I crystal connection or input for external clock
XTAL2
2
2
2
31
O crystal connection
I/OUC
3
3
3
32 I/O data I/O line to and from microcontroller
AUX1UC 4
4
4
1
I/O auxiliary line 1 to and from microcontroller for synchronous
applications
AUX2UC 5
−
−
2
I/O auxiliary line 2 to and from microcontroller for synchronous
applications
CS
−
5
5
3
I 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
6
6
4
O open drain PMOS reset output for microcontroller (active
HIGH)
CLKSEL
7
7
7
5
I control input signal for CLK (LOW = XTAL oscillator;
HIGH = STROBE input)
CLKDIV1 8
8
8
6
I control input with CLKDIV2 for choosing CLK frequency
CLKDIV2 9
9
9
7
I control input with CLKDIV1 for choosing CLK frequency
STROBE 10
10
10
8
I external clock input for synchronous applications
CLKOUT 11
11
11
9
O clock output (see Table 1)
DGND1
12
12
12
10 supply digital ground 1
AGND
13
13
13
11 supply analog ground
S2
14
14
14
12
I/O capacitance connection for voltage doubler
VDDA
S1
15
15
15
13 supply analog supply voltage
16
16
16
14
I/O capacitance connection for voltage doubler
VUP
17
17
17
15
I/O output of voltage doubler
I/O
18
18
18
16
I/O data I/O line to and from card
AUX2
PRES
19
−
−
17 I/O auxiliary I/O line to and from card
20
19
19
18
I card input presence contact (active LOW)
PRES
CV/TV
AUX1
−
20
−
−
I active HIGH card input presence contact
−
−
20
19
I card voltage selection input line (high = 5 V, low = 3 V); note 1
21
21
21
20
I/O auxiliary I/O line to and from card
CLK
22
22
22
21
O clock to card output (C3I) (see Table 1)
RST
23
23
23
22
O card reset output (C2I)
VCC
24
24
24
23
O supply for card (C1I)
CMDVCC 25
25
25
24
I start activation sequence input from microcontroller (active
LOW)
RSTIN
26
26
26
25
I card reset input from microcontroller
OFF
27
27
27
26
O open-drain NMOS interrupt output to microcontroller (active
LOW)
1999 Oct 12
5
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