Pinning, Ic card interface tda8002c – Philips TDA8002C User Manual
Page 5
1999 Oct 12
5
Philips Semiconductors
Product specification
IC card interface
TDA8002C
PINNING
SYMBOL
PIN
I/O
DESCRIPTION
TYPE
CT/A
TYPE
CT/B
TYPE
CT/C
TYPE
CG
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
V
DDA
15
15
15
13
supply analog supply voltage
S1
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
19
−
−
17
I/O
auxiliary I/O line to and from card
PRES
20
19
19
18
I
card input presence contact (active LOW)
PRES
−
20
−
−
I
active HIGH card input presence contact
CV/TV
−
−
20
19
I
card voltage selection input line (high = 5 V, low = 3 V); note 1
AUX1
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)
V
CC
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)