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73S8010R Datasheet(PDF) 15 Page - Teridian Semiconductor Corporation

Part No. 73S8010R
Description  Low Cost Smart Card Interface
Download  24 Pages
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Maker  TERIDIAN [Teridian Semiconductor Corporation]
Homepage  http://www.teridian.com
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 15 page
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73S8010C
Low Cost Smart Card Interface
DATA SHEET
Page: 15 of 24
© 2005-2008 TERIDIAN Semiconductor Corporation
Rev 1.5
TYPICAL APPLICATION SCHEMATIC
SO28
See NOTE 4
VDD
Y1
CRYSTAL
C2
22pF
C1
ISO7816=1uF, EMV=3.3uF
SDA_to/from_uC
SAD1
CLK track should be routed
far from RST, I/O, C4 and
C8.
NOTES:
1) VDD = 2.7V to 5.5V DC.
2) VPC = 4.75V(EMV, ISO) to 5.5V DC
3) Required if external clock from uP is used.
4) Required if crystal is used.
Y1, C2 and C3 must be removed if external clock is used.
5) Optional. Can be left open.
6) R1 and R3 are external resistors that adjust the VDD
fault voltage. Can be left open.
I/OUC_to/from_uC
R1
Rext1
See NOTE 1
Card detection
switch is
normally closed
VPC
C6
100nF
VDD
External_clock_from uC
C4
100nF
C3
22pF
AUX1UC_to.from_uC
See NOTE 5
C5
10uF
AUX2UC_to/from_uC
See NOTE 3
See note 2
VDD
Low ESR (<100mohms) C1
should be placed near the SC
connecter contact
SAD0
SCK_from_uC
73S8010R
1
2
3
4
5
6
7
12
8
9
10
11
13
14
15
16
17
18
19
20
21
22
23
28
27
25
24
26
SAD0
SAD1
SAD2
GND
GND
VPC
NC
AUX2
NC
NC
PRES
I/O
AUX1
GND
CLK
RST
VCC
VDDF_ADJ
SCL
SDA
VDD
GND
INT
AUX2UC
AUX1UC
XTALOUT
XTALIN
I/OUC
SAD2
INT_interrupt_to_uC
R3
Rext2
- OR -
R2
20K
See note 6
Smart Card Connector
R4
R5
2K
2K
7) Hardware to define address of device
See note 7
Figure 10: 73S8010R – Typical Application Schematic




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