ST32 Secure Cortex M3 MCUs


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The ST32 family features the unrivalled computing power of an ARM Cortex™-M3 32-bit core, with the flexibility of 90 nm embedded Flash technology.

With Flash densities ranging from 256 Kbytes to 512 Kbytes, the ST32 family is tailored to address the 64-Kbyte to 256-Kbyte Java (U)SIM market.

With its extended features, the ST32-M family is designed to comply with the demanding quality requirements of M2M applications.

Part NumberMarketing StatusGeneral DescriptionCoreFLASH SizeInternal RAM Size nom (kB)Features setOptimized features for M2MCommunication standards supportedCryptographyDevice ConfigurationSupply Voltage(Vcc) min (V)Supply Voltage(Vcc) max (V)Technology
ST32F25AActiveST32 Contact ARM Cortex-M3 Secure MicrocontrollerARM Cortex-M32568-NoISO7816DESW/o Kernel SW1.85.590 nm
ST32F32AActiveST32 Contact ARM Cortex-M3 Secure MicrocontrollerARM Cortex-M33208-NoISO7816DESW/o Kernel SW1.85.590 nm
ST32F384ActiveST32 Contact ARM Cortex-M3 Secure MicrocontrollerARM Cortex-M338412-NoISO7816DESW/o Kernel SW1.85.590 nm
ST32F512-MActiveST32 Contact ARM Cortex-M3 Secure MicrocontrollerARM Cortex-M351212-YesISO7816DESW/o Kernel SW1.85.590 nm