ST21F384 Smartcard MCU with 384 Kbytes of high density Flash memory Data Brief Features ST21F384 major applications include: ■ Mobile communications (GSM, 3G and CDMA) ■ Java applications Hardware features 259a.ai ■ Enhanced 8/16-bit CPU core with 16 Mbytes linear addressable memory ■ 7 Kbytes User RAM Software features ■ 384 Kbytes User Flash memory with OTP area: – 10-year data retention – 100,000 Erase/Write cycles – Page granularity of 128 Bytes – Block granularity: 1 Kbyte – 128 Bytes of OTP for User – Page Erase time 3 ms – Block Erase 1 Kbyte in 15 ms – Byte programming in 18 µs – Flash Erase / Write Protection software programmable on 64 Kbyte Sectors – Field / Loader mode management ■ Flash Loader ■ Flash drivers ■ True Random Number Generator ■ Asynchronous Receiver Transmitter supporting ISO 7816-3 T=0 and T=1 protocols ■ Unique serial number on each die Two 8-bit timers with interrupt capability ■ Hardware DES accelerator ■ ■ 1.8V, 3V and 5V supply voltage ranges Development environment ■ 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 and ETSI specifications ■ Power-saving Standby state ■ Contact assignment compatible ISO 7816-2 ■ ESD protection greater than 4 kV (HBM) Micromodule Wafer Security features ■ Monitoring of environmental parameters ■ Protection against faults ■ ISO 3309 CRC calculation block ■ Cryptographic performances(1): – Triple DES (with keys loaded): – Single DES (with keys loaded): ■ C Compiler ■ Simulator ■ Emulator 9.3 µs 3.1 µs 1. Typical values at 22 MHz October 2007 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 1 Description 1 ST21F384 Description The ST21F384 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 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 Generator Module CLK 2x 8-bit Timers Security Administrator True Random Number Generator 8/16-bit CPU Core IART RESET Vcc GND I/O 622 2/4 ST21F384 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. 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 22-Oct-2007 1 Changes Initial release 3/4 ST21F384 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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