Features
!
8051 based MCU manufactured with CMOS technology
!
Enhanced 16-bit arithmetic and 3 times faster than conven-
tional 8051
!
Single 2.7V to 5V power supply with Vpp generated internally
!
Additional instructions optimized for chip card applications
!
Three 16-bit timers
!
Programmable Watchdog Timer
!
Two 16-bit Data Pointers
!
Five interrupt sources with three levels of priority
!
On-chip oscillator and clock circuitry
!
Clock frequency: 1 to 5 MHz at 5V; 1 to 4 MHz at 3V
!
256 bytes internal RAM
!
16K/32K bytes user ROM for application program
!
2K/4K/8K/16K/32K bytes EEPROM for application program
and data
!
Minimum of 1 Million write/erase cycles; 100 years data retention for EEPROM
!
OS program storage and execution in EEPROM area enables customized user applications
Security
!
Low/High voltages sensors
!
Low/High frequency sensors and filter
!
Internal power-on-reset
!
16 bytes security PROM Hardware Protected
!
Unique Chip ID for each device
!
Memory Address scrambling
!
Fast erase of internal RAM triggered by security sensors
!
Encryption of data busses and memories with using one key
!
True FIPS140-2 compiled Random Number Generator for advanced authentication algorithm
!
Proprietary block cipher based on a Digital Chaotic Function
Description
IS23SC44 series 8-bit MCU chips are based on ISSI's advanced CMOS technology. The FIPS140-2 compiled random
number generator provides a cost-effective solution for advanced authentication. The crypto engine gives customers
more security to protect the COS (Chip Operating System) and applications data. User friendly development tools
(emulator) is available to shorten the product time to market for customers.
Integrated Silicon Solution, Inc.
2231 Lawson Lane
Santa Clara, CA 95054
Tel: 408.588.0800
Fax: 408.588.0806
Email: sales@issi.com
Web: www.issi.com
IS23SC4402/04/08/16/32
ISSI R
EGIONAL
S
ALES
O
FFICES
Headquarters & West Coast Office
Santa Clara, California
PHONE
:
408-588-0800
FAX
:
408-588-0805
E
-
MAIL
:
sales@issi.com
www.issi.com
East Coast Office
Nashua, NH
PHONE
:
603-594-4176
FAX
:
603-594-4181
E
-
MAIL
:
gpolanec@msn.com
Central Office
Dallas, TX
PHONE
:
972-488-9691
FAX
:
877-716-5582
E
-
MAIL
:
lzastrow@flash.net
Europe Office
Devon, England
PHONE
:
44-1752-764285
FAX
:
44-1752-764289
E
-
MAIL
:
glouch@issi.com05
China Offices
Shanghai
PHONE
:
+86 21 5080 2288
FAX
:
+86 21 5080 2028
E
-
MAIL
:
issish@sh163c.sta.net.cn
Shenzhen
PHONE
:
86755-663-3977
FAX
:
86755-663-3984
E
-
MAIL
:
issi@public.szptt.net.cn
Suzhou
PHONE
:
86512-725-0384
FAX
:
86512-725-0536
E
-
MAIL
:
issisz@public1.sz.js.cn
Beijing
PHONE
:
86-10-6824-3301
FAX
:
86-10-6816-9097
E
-
MAIL
:
issibj@public.bta.net.cn
Hong Kong
PHONE
:
852-2319-2211
FAX
:
852-2319-2004
To Order
To Order
Integrated Silicon Solution, Inc.
2231 Lawson Lane
Santa Clara, CA 95054
Tel: 408.588.0800
Fax: 408.588.0806
Email: sales@issi.com
Web: www.issi.com
ISO contact
Pad
Description
C1
Vcc
5V power supply
C2
RST
Reset
C3
CLK
Serial clock
C4
N/C
No connect
C5
GND
Ground
C6
N/C
No connect
C7
I/O
Serial data I/O
C8
N/C
No connect
IS23SC4402/04/08/16/32
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