73S1215F Maxim, 73S1215F Datasheet - Page 111

• Manufacturer Part Number: 73S1215F
• Description: The Teridian 73S1215F is a self-contained SoC smart card reader IC that is an ideal solution for any USB-connected ISO 7816 design
• Manufacturer: Maxim

DS_1215F_003
2 Typical Application Schematic
Rev. 1.4
+5VDC
Host Serial TX
Host Serial RX
1
1
1
1
1
1
GND
D+
D-
30-SWITCH
KEYPAD
S2
SW_MOM
S7
SW_MOM
S12
SW_MOM
S17
SW_MOM
S22
SW_MOM
S28
SW_MOM
F1
1
4
7
.
W
J6
USB_CONN_4
3
3
3
3
3
3
GND
GND
GND
VCC
D+
D-
5
4
3
2
1
6
1
1
1
1
1
1
S3
SW_MOM
S8
SW_MOM
S13
SW_MOM
S18
SW_MOM
S23
SW_MOM
S29
SW_MOM
F2
2
5
8
0
X
3
3
3
3
3
3
C17
0.1uF
1
1
1
1
1
1
S4
SW_MOM
S9
SW_MOM
S14
SW_MOM
S19
SW_MOM
S24
SW_MOM
S30
SW_MOM
R4
F3
3
6
9
/
Y
3
3
3
3
3
3
R2
R3
100k
1
1
1
1
1
1
R5
200k
ON/CE
DOWN
ENTER
S5
SW_MOM
S10
SW_MOM
S15
SW_MOM
S20
SW_MOM
S25
SW_MOM
S31
SW_MOM
24
24
UP
CLR
Z
3
3
3
3
3
3
1
1
1
1
1
1
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
SW_MOM
S6
S11
S16
S21
S26
S32
A
B
C
D
E
F
3
3
3
3
3
3
Figure 26: 73S1215F Typical Application Schematic
USR6
USR5
USR4
USR3
USR2
C22
22pF
3.3V
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
R34
1M
TXD
COL4
USR7
ROW0
ROW1
USR6
ROW2
GND
DP
DM
VDD
USR5
USR4
USR3
USR8
USR2
ROW3
12.000MHz
C23
22pF
Y1
73S1215F
0.1uF
C3
32.768kHz
C24
22pF
C4
0.1uF
Y2
RESET
PRESB
TBUS0
PRES
3.3V
C5
0.1uF
AUX1
AUX2
ISBR
GND
TEST
SEC
VDD
VCC
VPC
INT2
RST
CLK
D7
D6
D5
D4
I/O
C25
22pF
U6
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
R7
20K
LED3
LED1
LED2
LED0
C29
1uF
10uF
C2
+
C27
10uF
0.1uF
3.3V
C6
C30
0.1uF
+
5.0V
R10
5.0V
10k
2
RV1
10K
U5
LCD
BRIGHTNESS
ADJUST
R6
20K
R1
OPTIONAL LCD DISPLAY SYSTEM
16 CHARACTER BY 2 LINES
0
C14
27p
C15
27p
0.47uF
C16
73S1215F Data Sheet
3.3V
10
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
Smart Card Connector
J1
C1
C2
C3
C5
C6
C7
SW1
SW2
J4
VCC
RST
CLK
C4
GND
VPP
I/O
C8
SW-1
SW-2
SMARTCARD
SLOT #1
SIM/SAM Connector
111