Features
■ Hardware features
■ ARM® SecurCore® SC300™ 32-bit RISC core
■ cadenced at 25 MHz
■ 30 Kbytes of user RAM
■ Up to 1280 Kbytes of user Flash memory with
■ OTP area
■ Asynchronous receiver transmitter supporting ISO/IEC 7816-3 T=0 and T=1 protocols (Slave
■ mode supported)
■ Single wire protocol (SWP) interface for communications with NFC router (ETSI
■ 102-613 compliant)
■ Serial peripheral interface (SPI) master/slave
■ interface
■ Three 16-bit timers with interrupt capability
■ Seven general-purpose I/Os enabling
■ proprietary protocol implementation
■ 1.8 V, 3 V and 5 V supply voltage ranges
■ External clock frequency from 1 up to 10 MHz
■ Current consumption compatible with GSM
■ and ETSI specifications
■ Power-saving standby state
■ Contact assignment compatible with
■ ISO/IEC 7816-2
■ ESD protection greater than 4 kV (HBM)
■ Security features
■ Active shield
■ Memory protection unit (MPU)
■ Monitoring of environmental parameters
■ Protection against faults
■ 16- and 32-bit CRC calculation block (ISO
■ 13239, IEEE 802.3, etc.)
■ True random number generator
■ Unique serial number on each die
■ Hardware security-enhanced DES accelerator
■ Hardware security-enhanced AES accelerator
■ NESCRYPT coprocessor for public key cryptography algorithm

Applications
■ Major ST33G1M2A applications include:
■ Mobile communications (Automotive grade)
■ Java Card™ applications
■ AECQ100 compliant DFN8 6 × 5 mm