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參數(shù)資料
| 型號： | ST19XS08 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, EEPROM, 10 MHz, MICROCONTROLLER, UUC |
| 封裝： | WAFER |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 97K |
| 代理商： | ST19XS08 |
2/3
ST19XS08
HARDWARE DESCRIPTION
The product, member of the ST19X platform, is a
serial access microcontroller specially designed
for cost effective secure portable applications.
It is manufactured using an advanced highly relia-
ble ST CMOS EEPROM technology.
It is based on a STMicrolectronics 8 bit CPU and
includes on chip memories: 64KBytes User ROM,
1.5KBytes User RAM and 8KBytes EEPROM with
state of the art security features. ROM, RAM and
EEPROM memories can be configured into parti-
tions with customized access 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 op-
tions .
The chip includes a DES accelerator which is
accessible via cryptographic software library lo-
cated in ST ROM.
As with all the other ST19X products, a serial in-
terface fully compatible with the ISO7816 stand-
ard for Smartcard applications is available.
A CRC calculation block is also available and is di-
rectly accessible by the User.
Figure 2 . Block Diagram
INTERNAL BUS
I/O
1 X
SERIAL
INTER-
FACE
GND
8 BIT
CPU
2 X
8 BIT
TIMERS
CRC
MODULE
CLK
CLOCK
GENE-
RATOR
MODULE
Vcc
GUN A
&
GUN B
RAM
1.5K Bytes
USER ROM
64K Bytes
ST ROM and
DES LIBRARY
349
SECU-
RITY
ADMIN.
RESET
EEPROM
8K Bytes
ST ROM
and DES FIREWALL
MEMORY ACCESS FIREWALL
DES
ACCELER.
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