For further information contact your local STMicroelectronics sales office.

November 2015

DocID028554 Rev 1

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ST31H320 ST31H256

ST31H192 ST31H128

Secure microcontroller

with enhanced security and up to 320 Kbytes of Flash memory

Data brief

Features

Hardware features

 ARM® SecurCore® SC000™ 32-bit RISC core

 10 Kbytes of User RAM

– Up to 320 Kbytes of secure, high-density

User Flash memory

 Operating temperature: –25 °C to +85° C

 Three 16-bit timers with interrupt

 Watchdog timer

 1.62 V to 5.5 V supply voltages

 External clock frequency up to 10 MHz

 CPU clock frequency up to 28 MHz

 Power-saving Standby state

 Contact assignment compatible with

ISO/IEC 7816-3 standards

 Asynchronous receiver transmitter (IART) with

RAM buffer for high speed serial data support

(ISO/IEC 7816-3 T=0/T=1 and EMV compliant)

 ESD protection greater than 5 kV (HBM)

Security features

 Active shield

 Monitoring of environmental parameters

 Three-key Triple DES accelerator

 AES accelerator

 AIS-31 Class PTG.2 compliant true random

number generator (TRNG)

 NESCRYPT coprocessor for public key

cryptography algorithm

 ISO/IEC 13239 CRC calculation block

 Unique serial number on each die

 Protection against multiple attacks

The ST31H platform includes the following

devices:

UFDFPN8

8-contact modules

Wafer

6-contact modules

Table 1. Device summary

Device

NVM Size (in Kbytes)

ST31H320

320

ST31H256

256

ST31H192

192

ST31H128

128

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