73S1121F
EMV Smart-Card Terminal Controller
with Built-in Dual ISO-7816 Interface and USB
DATA SHEET
PIN DESCRIPTION
Pin Name
Pin
Total
Number
Pins
128 TQFP
Type
Description
CC1P
CC1N
CC2P
CC2N
COL (4)
COL (3)
COL (2)
COL (1)
COL (0)
ROW (5)
ROW (4)
ROW (3)
ROW (2)
ROW (1)
ROW (0)
TXD
RXD
USR (7)
USR (6)
USR (5)
USR (4)
USR (3)
USR (2)
USR (1)
USR (0)
INT2
INT0
USB_D-
USB_D+
GPIO (3)
GPIO (2)
GPIO (1)
GPIO (0)
Page: 6 of 25
111
109
103
105
32
33
35
36
39
24
25
27
28
29
30
26
31
50
53
56
59
63
68
72
77
34
118
124
125
94
93
92
91
1
1
1
1
I/O
I/O
I/O
I/O
Card interface 1 - Charge-pump capacitor positive node
(0.68
µ
F Low ESR <100m
Ω
)
Charge-pump capacitor 1 Negative Node
Card interface 2 - Charge-pump capacitor positive node
(0.68
µ
F Low ESR <100m
Ω
)
Charge-pump capacitor 2 Negative Node
5
O
Keypad column drive lines
6
I
Keypad row sense lines
1
1
O
I
Transmit data - Serial output port from the 73S1121F serial UART
Receive data - Serial input port to the 73S1121F serial UART
8
I/O
User programmable I/O port.
1
1
1
1
I
I
I/O
I/O
External interrupt input pin
External interrupt input pin
USB D-
Requires a 33
Ω
series resistor
USB D+
Requires a 33
Ω
series resistor
4
I/O
General purpose I/O with separate power supply
©
2005 TERIDIAN Semiconductor Corporation
Rev 2.3
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
