ST21Y144 Smartcard MCU with 144 Kbytes High Density EEPROM Data Brief Feature summary ST21Y144 major applications include: ■ Mobile communications (GSM and CDMA) ■ Java applications Hardware features 259a.ai ■ Enhanced 8/16-bit CPU core with 16 MBytes linear addressable memory ■ 400 Kbytes User ROM Security features ■ 8 Kbytes User RAM ■ Monitoring of environmental parameters ■ 144 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 ■ 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 Micromodule Wafer ■ Unique serial number on each die ■ Asynchronous Receiver Transmitter supporting ISO 7816-3 T=0 and T=1 protocols ■ Hardware DES accelerator ■ Two 8-bit timers with interrupt capability Development environment ■ 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) Software development and firmware generation are supported by a comprehensive set of development tools dedicated to software design and validation. ■ Current consumption complies with GSM specifications ■ Power-saving Standby mode ■ Contact assignment compatible ISO 7816-2 ■ ESD protection greater than 4 kV (HBM) 1. Typical values at 22 MHz March 2007 Rev 2 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 1 Description 1 ST21Y144 Description The ST21Y144 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. Block diagram RAM EEPROM DES Accelerator ROM Internal Bus CRC Module Clock Generator Module CLK 2x 8-bit timers Security Administrator True Random Number Generator 8/16-bit CPU Core IART RESET Vcc GND I/O 579 2/4 ST21Y144 1.1 Revision history 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. An emulator (SCICS) and a 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 23-Jan-2007 1 Initial release. 20-Mar-2007 2 Updated Erase/Write cycles endurance value and Section 1.1: Development environment on page 3. 3/4 ST21Y144 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. 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