■ Arm® Cortex®-M33 Core
● Armv8-M architecture with the main extension
● Maximum operating frequency: 100 MHz
● Arm Memory Protection Unit (Arm MPU)
– Protected Memory System Architecture (PMSAv8)
– Secure MPU (MPU_S): 8 regions
– Non-secure MPU (MPU_NS): 8 regions
● SysTick timer
– Embeds two Systick timers: Secure and Non-secure instance
– Driven by LOCO or system clock
● CoreSight™ ETM-M33
■ Memory
● Up to 512-KB code flash memory
● 8-KB data flash memory (100,000 program/erase (P/E) cycles)
● 128-KB SRAM
■ Connectivity
● Serial Communications Interface (SCI) × 6
– Asynchronous interfaces
– 8-bit clock synchronous interface
– Smart card interface
– Simple IIC
– Simple SPI
– Manchester coding (SCI3, SCI4)
● I2C bus interface (IIC) × 2
● Serial Peripheral Interface (SPI)
● Quad Serial Peripheral Interface (QSPI)
● USB 2.0 Full-Speed Module (USBFS)
● Control Area Network module (CAN)
● SD/MMC Host Interface (SDHI)
● Serial Sound Interface Enhanced (SSIE)
■ Analog
● 12-bit A/D Converter (ADC12)
● 12-bit D/A Converter (DAC12) × 2
● Temperature Sensor (TSN)
■ Timers
● General PWM Timer 32-bit (GPT32) × 4
● General PWM Timer 16-bit (GPT16) × 4
● Low Power Asynchronous General Purpose Timer (AGT) × 6
■ Security and Encryption
● Secure Crypto Engine 9
– Symmetric algorithms: AES
– Asymmetric algorithms: RSA, ECC, and DSA
– Hash-value generation: SHA224, SHA256, GHASH
– 128-bit unique ID
● Arm® TrustZone®
– Up to three regions for the code flash
– Up to two regions for the data flash
– Up to three regions for the SRAM
– Individual secure or non-secure security attribution for each peripheral
● Device lifecyle management
● Pin function
– Up to three tamper pins
– Secure pin multiplexing