DS_1209F_004
73S1209F Data Sheet
2 Typical Application Schematics
3.3V
5.0V Power
C1
0.1uF
5.0V
U1
MAX3237CAI
3.3V Power
3.3V
C2
0.1uF
27
4
28
25
1
C3
0.1uF
V+
V-
C1+
C1-
C2+
C2-
OPTIONAL LCD DISPLAY SYSTEM
DB9_RS232
P1
C4
0.1uF
C5
0.1uF
16 CHARACTER BY
2
LINES
U2
3
R1
1M
5
9
4
8
3
7
2
6
1
Y1
5
6
7
10
12
24
23
22
19
17
T1OUT
T2OUT
T3OUT
T4OUT
T5OUT
T1IN
T2IN
T3IN
T4IN
T5IN
12.000MHz
C6
C7
16
21
20
18
R1OUTBF
R1OUT
R2OUT
R3OUT
5.0V
8
9
11
22pF
22pF
R1IN
R2IN
R3IN
3.3V
13
14
SERIAL
PORT
ENB
SHDNB
RV1
10K
2
C8
+
C9
1uF
0.1uF
LCD
BRIGHTNESS
ADJUST
LED1
LED0
D1
D2
3.3V
3.3V
3.3V
U3
J1
SMARTCARD
SLOT #1
1
2
3
4
5
6
7
8
C1
C2
C3
C5
C6
C7
SW1
SW2
C10
+
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
TXD
ISBR
SEC
RESET
VDD
PRES
I/O
AUX1
AUX2
VCC
RST
GND
CLK
PRESB
10uF
R2
10k
30-SWITCH
KEYPAD
COL4
USR7
ROW0
ROW1
USR6
ROW2
GND
N/C
N/C
VDD
USR5
USR4
USR3
USR8
USR2
ROW3
S1
S2
S3
S4
3
S5
USR6
1
3
1
1
1
1
1
1
3
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
3
SIM/SAM Connector
F1
F2
F3
ON/CE
A
SW_MOM
SW_MOM
SW_MOM
SW_MOM
J2
SW_MOM
1
2
3
4
5
6
7
8
VCC
RST
CLK
C4
GND
VPP
I/O
73S1209F
R3
S7
3
S8
3
S6
3
S9
3
S10
3
USR5
USR4
USR3
1
0
1
2
3
UP
B
SW_MOM
SW_MOM
SW_MOM
SW_MOM
VPC
SW_MOM
TEST
TBUS0
INT2
USR2
C8
S11
3
S12
3
S13
3
S14
3
S15
3
1
9
10
SW-1
SW-2
4
5
6
DOWN
C
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
R4
C11
C12
27p
C13
1uF
Smart Card Connector
20K
27p
S16
3
S17
3
S18
3
S19
3
S20
3
1
1
1
7
8
9
CLR
D
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
3.3V
5.0V
R5 20K
S21
3
S22
3
S23
3
S24
3
S25
3
C17
C18
0.1uF
.
0
/
ENTER
E
C14
C15
C16
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
10uF
0.1uF
0.1uF
0.1uF
S26
3
S27
3
S28
3
S29
3
S30
3
W
X
Y
Z
F
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
Figure 24: 73S1209F Typical PINpad, Smart Card Reader Application Schematic
Rev. 1.4
103
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
