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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

Description

The ST33GxxxA (see Table 1) is a serial access microcontroller designed for secure mobile

applications that incorporates the most recent generation of ARM? processors for

embedded secure systems. Its SecurCore? SC300? 32-bit RISC core is built on the

Cortex? M3 core with additional security features to help to protect against advanced forms

of attacks.

The SC300? core brings great performance and excellent code density thanks to the

Thumb?-2 instruction set.

The high-speed embedded Flash memory introduces more flexibility to the system.

The ST33GxxxA also offers a serial communication interface fully compatible with the

ISO/IEC 7816-3 standard (T=0, T=1) and a single-wire protocol (SWP) interface for

communication with a near field communication (NFC) router in SIM/NFC applications.

An SPI Master/Slave interface is also available for communication in non-SIM applications.

The ST33GxxxA features hardware accelerators for advanced cryptographic functions. The

EDES peripheral provides a secure DES (Data Encryption Standard) algorithm

implementation, while the NESCRYPT cryptoprocessor efficiently supports the public key

algorithm. The AES peripheral ensures secure and fast AES algorithm implementation.

The device operates in the –40 to +105 °C temperature range and 1.8 V, 3 V and 5 V supply

voltage ranges. A comprehensive range of power-saving modes enables the design of

efficient low-power applications.

The ST33GxxxA’s automotive grade is AEQ100 compliant and provides user Flash memory

capability up to 500 kcycles with 15 years’ data retention.

In order to meet environmental requirements, ST offers these devices in different grades of

ECOPACK? packages, depending on their level of environmental compliance. ECOPACK?

specifications, grade definitions and product status are available at: www.st.com.

ECOPACK? is an ST trademark.