SR5E1E7中文资料意法半导体数据手册PDF规格书

特性 Features

• AEC-Q100 automotive qualified

• SR5 high-performance analog MCUs offering:

– Digital and analog high-frequency control requested by new widebandgap

technologies (silicon carbide and gallium nitride)

– Superior real-time and functional safety performance (ASIL-D capability)

– Built-in fast and cost-optimized OTA (over-the-air) reprogramming

capability (with built-in dual-image storage)

– High-speed security cryptographic services (HSM)

Cores

• 2× 32-bit Arm® Cortex®‑M7 with double-precision FPU, L1 cache and DSP

instructions running at up to 300 MHz to reach 1284 DMIPS/2.14 DMIPS/MHz/

core (Dhrystone 2.1)

– Split-lock configuration, allowing either 2 cores in parallel or 1 core in

lockstep configuration

• 2 DMA engines in lockstep configuration

Memories

• Up to 2 MB on-chip flash memory with read while write support

– 1920 KB code flash memory split in two banks allowing 960 KB OTA

reprogramming

– 160 KB HSM dedicated code flash memory

• 96 KB data flash memory (64 KB + 32 KB dedicated to HSM)

• 488 KB on-chip general-purpose SRAM:

– 2× 32 KB instruction TCM + 2× 64 KB data TCM

– 256 KB system RAM

– 40 KB HSM dedicated system RAM

Security: hardware security module (HSM)

• Cybersecurity ISO/SAE 21434 compliance (refer to the cybersecurity reference

manual for details)

• On-chip high-performance security module with EVITA medium support with

dedicated RAM and flash memory

• Based on a Cortex®‑M0+ core running at up to 150 MHz

• Hardware accelerator for symmetric cryptography