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ST19NM34 Arkusz danych(PDF) 2 Page - STMicroelectronics

Numer części ST19NM34
Szczegółowy opis  Smartcard MCU With 34 Kbytes High Density EEPROM
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST19NM34 Arkusz danych(HTML) 2 Page - STMicroelectronics

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ST19NM34
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HARDWARE DESCRIPTION
The product, member of the ST19N platform, is a
serial access microcontroller specially designed
for cost effective secure portable applications.
It is manufactured using an advanced highly reli-
able ST CMOS EEPROM technology.
It is based on the STMicroelectronics 8 bit CPU al-
ready implemented on the ST19X product family
and includes on-chip memories: User ROM, User
RAM and EEPROM with state of the art security
features. ROM, RAM and EEPROM memories can
be configured into partitions with customized ac-
cess rules.
An additional ST ROM contains all ST provided
functions and libraries.
Access from any memory area to another are pro-
tected by hardware FIREWALLS. Access rules are
User defined and can be selected by mask options
or during the life of the product.
The chip includes a DES accelerator which is ac-
cessible via cryptographic software libraries locat-
ed in ST ROM.
As with all the other ST19N products, a serial inter-
face fully compatible with the ISO7816 standard
for Smartcard applications is available.
A CRC calculation block is also available and is di-
rectly accessible by the User.
Figure 2. Block Diagram
SOFTWARE DEVELOPMENT
Software development and firmware generation
(ROM and options) are supported by a compre-
hensive set of development tools, dedicated at de-
velopment and validation of softwares:
Smartcard ICs Emulator,
ST19X simulation package,
ScDevTools environment for WindowsTM NT,
2000, XP based stations,
Powerful C/C++ compiler and debugger are
also available (third party tools).
INTERNAL BUS
I/O
1 SERIAL
INTER-
FACE
GND
8 BIT
CPU
3 X
8 BIT
TIMERS
CRC
MODULE
CLK
CLOCK
GENE-
RATOR
MODULE
Vcc
GUN A
&
GUN B
RAM
USER ROM
ST ROM and
DES LIBRARY
399
SECU-
RITY
ADMIN.
RESET
EEPROM
ST ROM and
DES FIREWALL
MEMORY ACCESS FIREWALL
DES
ACCELE-
RATOR


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