智能卡微控制器具有增强的安全性，加密处理器和18 KB的EEPROM Smartcard MCU with enhanced security, crypto-processor and 18 Kbytes EEPROM
The 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.
**Key Features**
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ST23YL18 major applications include:
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Banking, IT and Pay TV applications
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Hardware features
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Enhanced 8/16-bit ST23 CPU core with 16 Mbytes linear addressable memory
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196 Kbytes User ROM
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4 Kbytes User RAM
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2 Kbytes NESCRYPT RAM
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18 Kbytes User EEPROM including 128 Bytes User OTP area:
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Highly reliable CMOS EEPROM submicron technology
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10-year data retention
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500,000 Erase/Write cycles endurance typical at 25°C
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1 to 64 Bytes Erase or Program in 1.5 ms
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NESCRYPT crypto-processor for public key cryptography
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Three 8-bit timers with watchdog and interrupt capability
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3V and 5V supply voltage ranges
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External clock frequency up to 10 MHz
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High performance provided by:
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CPU clock frequency up to 29 MHz
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Power-saving Standby state
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Contact assignment compatible ISO 7816-3
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Asynchronous Receiver Transmitter IART for high speed serial data support ISO 7816-3 and EMV™ compliant
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ESD protection greater than 5 kV HBM
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Security features
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Active shield
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Monitoring of environmental parameters
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Protection mechanisms against faults
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Hardware Security Enhanced DES accelerator
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AIS-31 class P2 compliant True RandomNumber Generator TRNG
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ISO 3309 CRC calculation block
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Memory Protection Unit MPU
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Unique serial number on each die
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Development environment
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Software development and firmware generation are supported by a comprehensive set of development tools dedicated to software design and validation:
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C Compiler
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Simulator
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Emulator