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Features
ST21Y036 major applications include:
■ Mobile communications (GSM and CDMA)
■ Java applications
ST21Y036
Smartcard MCU
with 36 Kbytes high density EEPROM
Data Brief
Hardware features
■ Enhanced 8/16-bit CPU core with 16 Mbytes
linear addressable memory
■ 128 Kbytes User ROM
■ 4 Kbytes User RAM
■ 36 Kbytes User EEPROM including 64 Bytes
User OTP area:
– Highly reliable CMOS EEPROM submicron
technology
– 10-year data retention
– 500,000 Erase/Write cycles endurance
typical at 25°C
– 1 to 64 Bytes Erase or Program in 1.5 ms
■ Asynchronous Receiver Transmitter
supporting ISO 7816-3 T=0 and T=1 protocols
■ Two 8-bit timers with interrupt capability
■ 1.8V, 3V and 5V supply voltage ranges
■ External clock frequency from 1 up to 7.5 MHz
■ High performance provided by:
– CPU clock frequency up to 22 MHz
– External clock multiplier (2x, 3x, and 4x)
■ Current consumption complies with GSM
specifications
■ Power-saving Standby state
■ Contact assignment compatible ISO 7816-2
■ ESD protection greater than 4 kV (HBM)
259a.ai
Micromodule Wafer
Security features
■ Monitoring of environmental parameters
■ Protection against faults
■ ISO 3309 CRC calculation block
■ Cryptographic performances
(1)
:
– Triple DES (with keys loaded): 9.3 µs
– Single DES (with keys loaded): 3.1 µs
■ True Random Number Generator
■ Unique serial number on each die
■ Hardware DES accelerator
Development environment
Software development and firmware generation
are supported by a comprehensive set of
development tools dedicated to software design
and validation:
■ C Compiler
■ Simulator
■ Emulator
1. Typical values at 22 MHz
November 2007 Rev 3 1/4
For further information contact your local STMicroelectronics sales office.
www.st.com
1
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Description ST21Y036
1 Description
The ST21Y036 product is a serial access microcontroller specially designed for costeffective 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 CMOS EEPROM 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.
Figure 1. ST21Y036 block diagram
RAM
CRC
Module
Clock
Gene-
rator
Module
CLK
EEPROM
2 x
8-bit
timers
User ROM
Internal Bus
Security
Adminis-
trator
RESET
ST ROM
(Boot software)
ST ROM Firewall
True
Random
Number
Gene-
rator
Vcc
8/16-bit
CPU
Core
GND
DES
Accelerator
IART
I/O
579
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ST21Y036 Revision history
1.1 Development environment
Development tools for smartcard products include a complete range of hardware systems
and software tools from STMicroelectronics and third-party tool suppliers. The range of tools
includes solutions to help you to develop and debug your application and evaluate
smartcard products and their peripherals.
An Integrated Development Environment (IDE), the STMicroelectronics Visual Debug
(STVD), provides a set of tools for developing embedded applications. This interface
manages the project configuration, code edition, code generation and program debugging.
A Smartcard ICS emulator (SCICS) and simulator are available for developing and validating
your application code.
All the information needed to generate the application code and personalization will be
collected in a delivery file (.DLV extension). This file is created using the Delivery menu of
the STMicroelectronics configuration software tool, SCOOL.
2 Revision history
Table 1. Document revision history
Date Revision Changes
21-Sept-2006 1 Initial release.
20-Mar-2007 2
6-Nov-2007 3 Updated Figure 1: ST21Y036 block diagram on page 2.
Updated Erase/Write cycles endurance value and Section 1.1:
Development environment on page 3.
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ST21Y036
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