DS_1215F_003
73S1215F Data Sheet
2 Typical Application Schematic
OPTIONAL LCD DISPLAY SYSTEM
16 CHARACTER BY LINES
2
U5
J6
5
GND
4
GND
GND
5.0V
3
2
1
6
R2
24
24
R34
1M
D+
D-
D+
D-
Y1
Y2
R3
12.000MHz
32.768kHz
R4
100k
RV1
10K
2
+5VDC
VCC
GND
C29
1uF
+
C30
C22
C23
C24
C25
C17
0.1uF
R5
200k
0.1uF
22pF
22pF
22pF
22pF
LCD
USB_CONN_4
BRIGHTNESS
ADJUST
LED3
LED1
LED2
LED0
D7
Host Serial TX
Host Serial RX
D6
D5
D4
30-SWITCH
3.3V
3.3V
3.3V
KEYPAD
U6
S2
S3
S4
S5
S6
J1
SMARTCARD
SLOT #1
1
1
1
1
1
1
3
1
1
1
1
1
1
3
1
1
1
1
1
1
3
1
3
1
1
1
1
1
1
3
1
2
3
4
5
6
7
8
C1
C2
C3
C5
C6
C7
SW1
SW2
C27
+
F1
F2
F3
ON/CE
A
18
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
COL4
USR7
ROW0
ROW1
USR6
ROW2
GND
DP
DM
ISBR
SEC
RESET
VDD
PRES
I/O
AUX1
AUX2
VCC
RST
GND
CLK
PRESB
VPC
SW_MOM
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
10uF
R10 10k
S7
3
S8
3
S9
3
S10
3
S11
3
1
1
1
1
1
USR6
1
2
3
UP
B
SIM/SAM Connector
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
J4
1
2
3
4
5
6
7
8
VCC
RST
CLK
C4
GND
VPP
I/O
73S1215F
S12
3
S13
3
S14
3
S15
3
S16
3
C
R1
VDD
USR5
USR4
USR3
0
4
5
6
DOWN
USR5
USR4
USR3
USR8
USR2
ROW3
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
TEST
TBUS0
INT2
USR2
S17
3
S18
3
S19
3
S20
3
S21
3
C8
9
10
7
8
9
CLR
D
SW-1
SW-2
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
R6
C14
27p
C15
27p
C16
Smart Card Connector
S22
3
S23
3
S24
3
S25
3
S26
3
20K
0.47uF
.
0
/
ENTER
E
5.0V
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
3.3V
R7
20K
S28
3
S29
3
S30
3
S31
3
S32
3
C2
10uF
C6
0.1uF
W
X
Y
Z
F
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
C3
C4
C5
0.1uF
0.1uF
0.1uF
Figure 26: 73S1215F Typical Application Schematic
Rev. 1.4
111
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
