73s1209f68im Maxim Integrated Products, Inc., 73s1209f68im Datasheet - Page 7

• Manufacturer Part Number: 73s1209f68im
• Description: Self-contained Pinpad, Smart Card Reader Ic Uart To Iso7816 / Emv Bridge Ic
• Manufacturer: Maxim Integrated Products, Inc.

DS_1209F_004
Rev. 1.2
ROW0
ROW1
ROW2
ROW3
ROW4
ROW5
X12IN
Pins avaiable on both 68 and 44 pin packages.
Pins only avaiable on 68 pin package.
VDD
VDD
GND
USR0
X12OUT
USR2
USR3
USR7
USR1
USR4
USR6
USR8
USR5
COL0
COL1
COL2
COL3
COL4
INTERFACE
OSCILLATOR
KEYPAD
12MHz
TIMEBASES
PLL
and
Figure 1: IC Functional Block Diagram
FLASH/ROM
INTERFACE
VOLTAGE REFERENCE
PROGRAM
MEMORY
VPD REGULATOR
FLASH
XRAM
DATA
AND FUSE TRIM
32KB
2KB
CIRCUITRY
MEMORY_
CONTROL
CONTROL
SCRATCH
PORTS
SERIAL
RAM_
SFR_
PMU
IRAM
256B
ICE INTERFACE
and SFR LOGIC
PERIPHERAL
OCDSI
INTERFACE
ALU
CONTROL
TIMER_0_
WATCH-
TIMER
DOG
UNIT
CORE
ISR
1
DRIVERS
LED
CONTROL
LOGIC
VCC
INTERFACE
INTERFACE
EXTERNAL
SMART
SMART
MASTER
CARD
CARD
ISO
INT.
I
2
C
73S1209F Data Sheet
PRESB
PRES
VCC
CLK
RST
SCLK
AUX1
AUX2
SCL
SDA
GND
INT2
I/O
SIO
INT3
7