73S8014RT TERIDIAN [Teridian Semiconductor Corporation], 73S8014RT Datasheet - Page 15

• Manufacturer Part Number: 73S8014RT
• Description: Smart Card Interface
• Manufacturer: TERIDIAN [Teridian Semiconductor Corporation]

DS_8014RT_015
Rev. 1.0
NOTES:
1) VDD = 2.7V to 5.5V DC.
2) VPC = 4.75V(ISO) to 5.5V DC
3) Required if external clock from uP is used.
4) Required if crystal is used.
5) R1 and R3 are external resistors that adjust the VDD
Y1, C2 and C3 must be removed if external clock is used.
fault voltage. Can be left open.
External_clock_from uC
See NOTE 2
See NOTE 3
OFF_interrupt_to_uC
CMDVCC%_from_uC
CMDVCC#_from_uC
CLKDIV1_from_uC
CLKDIV2_from_uC
I/OUC_to/from_uC
RSTIN_from_uC
100nF
C4
VPC
10uF
C5
- OR -
Figure 3: 73S8014RT – Typical Application Schematic
22pF
CRYSTAL
22pF
See NOTE 4
C2
C3
Y1
VDD
Card detection
normally open
switch is
R2
R4
47K
10
1K
1
2
3
4
5
6
7
8
9
73S8014RT
RSTIN
GND
OFF
I/OUC
VPC
CLKDIV2
CMDVCC5
CMDVCC3
XTALIN
XTALOUT
Smart Card Connector
VDDF_ADJ
CLKDIV1
PRES
TEST
GND
VDD
VCC
CLK
RST
I/O
14
13
12
11
20
19
18
17
16
15
CLK track should be routed
far from RST, I/O, C4 and
C8.
C1
should be placed near the SC
EMV & ISO7816=1uF
Low ESR (<100mohms) C1
connecter contact
VDD
note 5
See
Rext1
Rext2
R3
R1
73S8014RT Data Sheet
See NOTE 1
100nF
C6
VDD
15