73S1210F Data Sheet
DS_1210F_001
2 Typical Application Schematic
R1
1M
Y1
12.000MHz
C2
C1
22pF
22pF
VDD
Host Serial TX
Host Serial RX
D1
R2
3K
R3
3K
LED
C3
0.1uF
+
C4
10uF
Input Power Supply (2.7 - 6.5V)
C5 0.1uF
30-SWITCH
KEYPAD
VDD
U1
69
R4
S1
S2
S3
S4
S5
SLUG
1
1
1
1
1
1
3
1
1
1
1
1
1
3
1
1
1
1
1
1
3
1
1
1
1
1
1
3
1
1
1
1
1
1
3
10k
C6 10uF
F1
F2
F3
ON/CE
A
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
SW_MOM
SW_MOM
SW_MOM
SW_MOM
TXD
VDD
GND
LIN
VPC
VBAT
ON_OFF
VBUS
I/O
C4/AUX1
C8/AUX2
VCC
RST
GND
CLK
VP
PRES
OFF_REQ
SW_MOM
L1 10uH
COL4
USR7
ROW0
ROW1
USR6
ROW2
GND
N/C
N/C
VDD
USR5
USR4
USR3
USR2
ROW3
USR1
ON_OFF
S6
3
S7
3
S8
3
S9
3
S10
3
S11
1
SW
USR6
2
1
2
3
UP
B
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SMARTCARD
SW_MOM
SLOT #1
VDD
73S1210F
S12
3
S13
3
S14
3
S15
3
S16
3
J1
1
2
3
4
5
6
7
8
VCC
RST
CLK
C4
GND
VPP
I/O
USR5
USR4
USR3
USR2
4
5
6
DOWN
C
R5
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
0
S17
3
S18
3
S19
3
S20
3
S21
3
USR1
C7
4.7uF
7
8
9
CLR
D
C8
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
9
10
SW-1
SW-2
R6
C8
C9
27p
C10
S22
3
S23
3
S24
3
S25
3
S26
3
Smart Card Connector
20k
27p
0.47uF
.
0
/
ENTER
E
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
VDD
S27
3
S28
3
S29
3
S30
3
S31
3
W
X
Y
Z
F
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
C11
SMARTCARD
VDD
0.1uF
U3
SLOT #2
73S8010R
J2
OPTIONAL LCD DISPLAY SYSTEM
16 CHARACTER BY LINES
1
2
3
4
5
6
7
8
VCC
RST
CLK
C4
GND
VPP
I/O
2
U2
C12
C13
0.1uF
C14
0.1uF
0.1uF
25
16
NC
NC
26
27
28
29
30
31
32
15
14
13
12
11
10
9
I/OUC
AUX1UC
AUX2UC
SAD0
SAD1
SAD2
VCC
RST
CLK
GND
AU X1
AU X2
NC
R7
0
C8
R8
9
10
SW-1
SW-2
NC
100
C16
27p
C17
27p
C18
RV1
Smart Card Connector
2
D2
5.0V Zener
C15
1uF
C19
1.0uF
+
10K
0.1uF
VDD
R9
LCD
20k
BRIGHTNESS
ADJUST
Figure 25: 73S1210F Typical Application Schematic
104
Rev. 1.4
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
