Dual Arm Cortex-M33 microcontroller family targets industrial and consumer IoT applications with TrustZone security and integrated EdgeLock secure enclave functions. The devices operate up to 150 MHz and integrate up to 2 MB dual-bank flash, up to 512 KB SRAM, 256 KB ROM, and cache-supported external memory expansion. Connectivity includes USB high-speed and full-speed, CAN FD, LP Flexcomm interfaces, SDIO, Ethernet with QoS, I3C, SAI, FlexIO, and smart-card interfaces. Mixed-signal and control resources include 16-bit ADCs, DACs, comparators, op amps, PWM, encoder, timer, capacitive-touch, PDM microphone, and up to 124 GPIOs across a 1.71 V to 3.6 V operating range. The family is specified for -40 °C to 125 °C operation.
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| Core architecture | Dual Arm Cortex-M33 |
| Maximum core frequency | 150MHz |
| Primary CPU features | TrustZone, MPU, FPU, SIMD, ETM, CTI |
| On-chip flash memory | Up to 2 x 1024 dual-bank flash with ECCKB |
| SRAM | Up to 512KB |
| ROM | 256KB |
| Operating voltage | 1.71 to 3.6V |
| Operating temperature | -40 to 125°C |
| ADC resolution | 2 x 16-bitbit |
| ADC sample rate | Up to 2.0 at 16-bit, 3.15 at 12-bitMSamples/s |
| DAC resources | Two 12-bit DACs and one 14-bit DAC |
| LP Flexcomm interfaces | 10 supporting SPI, I2C, UART |
| USB interfaces | High-speed host/device with HS PHY and full-speed host/device with FS PHY |
| CAN interfaces | 2 x FlexCAN with FD |
| Ethernet | 1 x Ethernet with QoS |
| GPIO | Up to 124 |
| Security accelerators | ELS S50, PKC, AES-256, SHA-2, RNG, ECC-256, SRAM PUF, PRINCE |
| Deep-sleep current | 270 with full 512 KB SRAM retention at 3.3 V and 25 °CµA |
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