73S1121F
EMV Smart-Card Terminal Controller
with Built-in Dual ISO-7816 Interface and USB
DATA SHEET
FUNCTIONAL DIAGRAM
PROM_Program
ISP_Program
AD(7:0)
WR
A(15:0)
PSEN
RD
SEC1
SEC2
OSCOUT
ALE
EA
INT0
INT2
RESET
VPC
VNC
16
8
2
VCC1 VCC2
Access Control
4kB XRAM
+
1kB IRAM
128B IFB
(Flash)
COL(4:0)
ROW(5:0)
5
6
CC1P
64kB
Flash
ROM
Boot-Loader
Ext. Memory
Interface
DC-to-DC
Converters
CC1N
CC2P
CC2N
VCCIN1
VCCIN2
GND_RTN
Keyboard
Interface
LCD_DAT(3:0)
LCD_En
LCD_RW
LCD_RS
4
LCD I/Os
8052
Core
ISO-7816
UART
ISO-7816
Driver and
Sequencer
ICC#1
ISO-7816
Driver and
Sequencer
ICC#2
VCC1
CLK1
RST1
IO1
C41
C81
DET_CARD1
VCC1
CLK1
RST1
IO1
C41
C81
DET_CARD1
SCLK
SIO
SC4
SC8
OSCIN12
OSCOUT12
OSCIN32
OSCOUT32
USR(7:0)
VPG
GPIO(3:0)
8
I/Os
GPIOs
Timer
T0
Timer
T1
8
4
ANA_IN(5:3)
3
Interface for
Ext. ICCs
PLL & Clock
Circuitry
RTC
Counter
12MHz Main
Oscillator
32.768kHz
Sub-System
Oscillator
Vref Divider
2.5V
Vref.
Timer
T2
VREF
USB
Full Speed
12Mbps
Serial
UART
5
USB_D+
USB_D-
RX
TX
VPA
VNA
VPD
5
VND
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©
2005 TERIDIAN Semiconductor Corporation
Rev 2.3
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
