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 ST23YL80
Smartcard MCU with enhanced security, crypto-processor and 80 Kbytes EEPROM
Data Brief
Features
ST23YL80 major applications include:
Banking, IT and Pay TV applications
Hardware features

Enhanced 8/16-bit ST23 CPU core with 16 Mbytes linear addressable memory 396 Kbytes User ROM 6 Kbytes User RAM 2 Kbytes NESCRYPT RAM 80 Kbytes User EEPROM including 128 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 NESCRYPT crypto-processor for public key cryptography Three 8-bit timers with watchdog and interrupt capability 3V and 5V supply voltage ranges External clock frequency up to 10 MHz High performance provided by: - CPU clock frequency up to 29 MHz Power-saving Standby state Contact assignment compatible ISO 7816-3 Asynchronous Receiver Transmitter (IART) for high speed serial data support (ISO 7816-3 and EMVTM compliant) ESD protection greater than 5 kV (HBM)
259a.ai
Micromodule
Wafer
Security features

Active shield Monitoring of environmental parameters Protection mechanisms against faults Hardware Security Enhanced DES accelerator AIS-31 class P2 compliant True Random Number Generator (TRNG) ISO 3309 CRC calculation block Memory Protection Unit (MPU) Unique serial number on each die

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
September 2008
Rev 2
1/4
www.st.com 1
For further information contact your local STMicroelectronics sales office.
Description
ST23YL80
1
Description
The ST23YL80 product is a serial access microcontroller specially designed for secure smartcard 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. Moreover, an ISO 7816-3 EMV-compliant Asynchronous Receiver Transmitter (IART) communication peripheral is available. Figure 1. ST23YL80 block diagram
RAM
EEPROM
User ROM
ST ROM
(Boot software)
EDES Accelerator
NESCRYPT
ST ROM Firewall
NESCRYPT RAM
Internal Bus
CRC Module
Clock Generator Module CLK
3x 8-bit timers
Security Monitoring and Control
True Random Number Generator Vcc GND
MPU IART 8/16-bit CPU Core
RESET
2 I/Os
Ai12565
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.
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ST23YL80
Revision history 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.
Date 27-Feb-2008 10-Sep-2008
Document revision history
Revision 1 2 First release. Updated maximum external clock frequency. Changes
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ST23YL80
Please Read Carefully:
Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST's terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein.
UNLESS OTHERWISE SET FORTH IN ST'S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER'S OWN RISK.
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