■ Arm® Cortex®-M85 core with HeliumTM
● Armv8.1-M architecture profile
● Armv8-M Security Extension
● Maximum operating frequency: 480 MHz
● 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 CPUCLK or MOCO divided by 8
● CoreSight™ ETM-M85
■ Memory
● Up to 2 MB code flash memory
● 12 KB data flash memory (100,000 program/erase (P/E) cycles)
● 1 MB SRAM including 128 KB of TCM
■ Connectivity
● Serial Communications Interface (SCI) × 6 , up to 60 Mbps
– Asynchronous interfaces
– 8 bit clock synchronous interface
– Smart card interface
– Simple IIC
– Simple SPI
– Manchester coding (SCI0)
– Simple LIN (SCI0, SCI1)
● I2C bus interface (IIC) × 2
● I3C bus interface (I3C)
● Serial Peripheral Interface (SPI) × 2, up to 60 Mbps
● Octal Serial Peripheral Interface (OSPI)
● USB 2.0 Full-Speed Module (USBFS)
● USB 2.0 High-Speed Module (USBHS)
● CAN with Flexible Data-rate (CANFD) × 2
● Ethernet MAC/DMA Controller (ETHERC/EDMAC)
● SD/MMC Host Interface (SDHI) × 2
● Serial Sound Interface Enhanced (SSIE) × 2