73S1209F Data Sheet
DS_1209F_004
104
Rev. 1.4
R7
10k
3.3V
3.3V
R9
20K
LED1
VCC
1
RST
2
CLK
3
C4
4
GND
5
VPP
6
I/O
7
C8
8
SW-1
9
SW-2
10
J4
Smart Card Connector
C25
22pF
LED0
5.0V
R8
0
3.3V
USR0USR0USR0USR0
1
6
2
7
3
8
4
9
5
P2
DB9_RS232
C21
0.1uF
C22
0.1uF
C20
0.1uF
C23
0.1uF
C19
0.1uF
3.3V
3.3V
C1+
28
C1-
25
C2+
1
C2-
3
T1IN
24
T2IN
23
T3IN
22
T4IN
19
T5IN
17
R1OUTBF
16
R1OUT
21
R2OUT
20
R3OUT
18
GND
2
M
BAUD
15
SHDNB
14
ENB
13
R3IN
11
R2IN
9
R1IN
8
T1OUT
5
T2OUT
6
T3OUT
7
T4OUT
10
T5OUT
12
V-
4
V+
27
VCC
26
U4
MAX3237CAI
SERIAL
PORT
Y2
12.000MHz
R6
1M
C30
10uF
D4
D3
+
C26
10uF
R10
20K
LE
D0
3
LE
D1
4
SCL
5
SDA
6
GND
7
X
12I
N
8
X
12OUT
9
ANAI
N
10
RXD
11
TXD
12
USR7
13
USR6
14
GND
15
NC
16
NC
17
VDD
18
USR5
19
USR4
20
USR3
21
USR2
22
USR1
23
USR0
24
ERST
25
TC
L
K
26
VDD
27
RXT
X
28
NC
29
SCL
K
30
SI
O
31
IN
T2
32
T
EST
33
RESET
1
SEC
2
VPC
34
PRESB
35
CLK
36
GND
37
RST
38
VCC
39
AUX2
40
AUX1
41
I/O
42
PRES
43
VDD
44
U5
73S1209
C1
1
C2
2
C3
3
C5
4
C6
5
C7
6
SW1
7
SW2
8
J3
SIM/SAM Connector
C29
0.47uF
C24
22pF
C32
0.1uF
C33
0.1uF
3.3V
C34
0.1uF
C31
0.1uF
SMARTCARD
SLOT #1
C28
27p
C27
27p
USR1USR1
Figure 25: 73S1209F Typical SIM / Smart Card Reader Application Schematic