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ST23 Dual Interface Secure MCU with 8 KBytes EEPROM, enhanced security and DES/AES cryptoprocessor,RF Type A,B,B' (Contactless low end ID-DL/DES)
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ST23ZR08 products are secure microcontrollers specially designed for secure smartcard applications.

They are based on an enhanced STMicroelectronics 8/16-bit CPU core offering 16 Mbytes of linear addressing space. ST23ZR08 devices are manufactured using an advanced highly reliable ST CMOS EEPROM technology.

An RF Interface including an RF universal asynchronous receiver transmitter (RF UART) enables contactless communication up to 848 Kbps compatible with the ISO/IEC 14443-A and ISO/IEC 14443-B standard.

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Errata Sheet
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Data Brief

Key Features

  • Hardware features
  • Enhanced 8/16-bit ST23 CPU core with 16 Mbytes of linear addressable memory
  • 92 Kbytes of User ROM
  • 4 Kbytes of User RAM
  • 0.5 Kbytes dedicated RFUART RAM
  • 8 Kbytes of User EEPROM including 128 Bytes of User OTP area:Highly reliable CMOS EEPROM submicron technology30-year data retention at 25°C500,000 Erase/Write cycles endurance at 25° C1 to 32 byte Erase or Program in 1.5 ms
  • Operating temperature: –25° to +85°C (see restricted test conditions)
  • Three 8-bit timers with watchdog and interrupt capability
  • 2.7V to 5.5V supply voltages
  • External clock frequency up to 10 MHz
  • High performance provided by:CPU clock frequency up to 28 MHz
  • Power-saving Standby state
  • Contact assignment compatible with ISO/IEC 7816-3 standards
  • Asynchronous receiver transmitter (IART) for high speed serial data support (ISO/IEC 7816-3 T=0/T=1 and EMV™ compliant)
  • ESD protection greater than 5 kV (HBM)
  • Contactless features
  • Complies with ISO/IEC 14443 Type A, B and B’, and PayPass™ standards
  • 13.56 MHz carrier frequency
  • RF frame up to 512 bytes
  • RFUART (RF universal asynchronous receiver transmitter) up to 848 Kbps
  • Security features
  • Active shield
  • Monitoring of environmental parameters
  • Protection mechanisms against faults
  • True random number generator (TRNG) (AIS-31 Class P2 compliant)
  • 16-bit Cyclic Redundancy Check (CRC) calculation block (ISO/IEC 13239)
  • Unique serial number on each die
  • AES accelerator
  • Three-key Triple DES accelerator (EDES+)
  • Development environment
  • C compiler, simulator and emulator

图案 资源


Technical Documentation

Product Specifications

描述 版本 大小
DB1304: Secure microcontroller with enhanced security with 8 Kbytes EEPROM and dual interface
2.0 88 KB

Publications and Collaterals


描述 版本 大小
CD21 and CD21 Rev3 for Calypso e-ticketing
1.0.0 205 KB

样品 & 购买

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Material Declaration**
ST23ZR08Active_-No availability reported, please contact our Sales officeN/A-

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