73S1113F
EMV Smart-Card Terminal Controller
with Built-in ISO-7816 Interface and USB
DATA SHEET
PIN DESCRIPTION
Pin Name
VND
64 LQFP Pin # # Pins
Type
GND
Description
3, 24, 34, 42, 57
5
Digital ground
Digital power. 2.7V - 3.6V
Must be greater than 3V when using the USB interface.
\Each pin to be decoupled to VND with a 0.1µF capacitor.
VPD
4, 28, 37, 55, 64
5
Supply
VNA
VPA
62
60
1
1
GND
Analog ground
Analog power. 2.7V - 3.6V
To be decoupled to VNA with a 0.1µF capacitor.
DC/DC Step-up Converter power (2.7 - 3.6V). Each pin to be
decoupled to VNC with one 0.1µF and one 10µFcapacitor.
Supply
VPC
51
1
2
1
Supply
GND
I
VNC
44, 54
1
DC/DC Step-up Converter ground
12MHz crystal input.
OSCIN12
Can drive clock in and leave OSCOUT12 unconnected
OSCOUT12
CLK2
2
1
1
1
1
O
O
12MHz crystal output. Leave unconnected if not using a crystal
43
45
48
ICC Clock Signal
ICC I/O Signal
ICC RST Signal
IO2
I/O
O
RST2
Step-up Converter Capacitor 2 Positive Node
CC2P
CC2N
50
52
1
1
I/O
I/O
(0.68µF Low ESR)
Step-up Converter Capacitor 2 Negative Node
Card interface voltage supply for interface circuits – take
from VCC2 filter capacitor
VCC2IN
VCC2
53
49
1
1
I
ICC VCC Signal
O
Must be decoupled to GND with a 6.8µF low-ESR capacitor.
C42
C82
47
46
1
1
I/O
I/O
ICC C4 Signal
ICC C8 Signal
ICC presence contact input pin. Programmable polarity (to be
connected accordingly to the card presence switch with a pull-up /
pull-down)
DET_CARD2
39
1
I
I/O for external ICC interfaces. Internal pull-up configuration – no
external pull-up required.
SIO
40
41
63
1
1
1
I/O
O
I
SCLK
SEC
ICC clock for external Smart-Card interfaces
Digital security input that controls the internal protection fuse.
Active High. Internal pull-down allows NC for normal operation.
When set, permanently deactivates the ISP programming mode.
ANA_IN2
RESET
61
27
1
1
I
I
Analog Input – (Voltage detection input 0.2V to 2.5V ±3%
73S1113F Reset. Active high
Forces internal Flash programming in ISP mode at reset. Active
High. 0 = Indicates the user does not want to program the flash if
checksum passes. Internal pull-down allows NC for normal
operation
ISP_Program
Reserved
25
56
1
1
I
-
To be connected to VND
Page: 5 of 19
© 2005 TERIDIAN Semiconductor Corporation
Rev 2.3
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
