ST21F384 Просмотр технического описания (PDF) - STMicroelectronics
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ST21F384 Datasheet PDF : 4 Pages
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Description
1
Description
ST21F384
The ST21F384 product is a serial access microcontroller specially designed for cost-
effective secure mobile applications.
It is based on an enhanced STMicroelectronics 8/16-bit CPU core offering 16 MBytes
linear addressing space.
It is manufactured using an advanced highly reliable ST Flash technology.
The device includes a DES accelerator.
A serial interface fully compatible with the ISO 7816-3 standard (T = 0 and T = 1) for
Smartcard applications is available.
A CRC calculation block is also available and is directly accessible by the User.
The product architecture is optimized for low power consumption applications. A flexible
clock generator module provides increased performance for specific current requirements.
ST drivers and ST Loader are located in the ST ROM area.
Figure 1. ST21F384 Block diagram
RAM
Flash
memory
ST ROM
DES
Accelerator
ST ROM
Firewall
Internal Bus
CRC
Module
Clock
Gene-
rator
Module
2x
8-bit
Timers
Security
Adminis-
trator
True
Random
Number
Gene-
rator
8/16-bit
CPU
Core
IART
CLK
RESET
Vcc
GND
I/O
622
2/4
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