SPC584B70E3EHC0X (STMicroelectronics) Automotive‑Grade 32‑bit MCU with Power‑Architecture Core

Automotive‑grade 32‑bit Power‑Architecture MCU, member of the SPC58 Chorus4B series with e200z420 core. It complies with AEC‑Q100 Grade1 automotive specification and ISO26262 ASIL‑B functional safety, equipped with HSM hardware security module for general‑purpose automotive control applications.

Key Specifications

‑ CPU Core: e200z420, maximum 120 MHz, 32‑bit Power‑Architecture

‑ Memory: 2 MB program Flash, 64 KB Data‑Flash (emulated EEPROM), total 192 KB RAM (128 KB general‑purpose SRAM + 64 KB core RAM); 176 KB independent HSM security Flash; ECC correction for all memory

‑ Package: 100‑eTQFP‑EP, 14×14 mm, SMT mount, exposed thermal pad on bottom, 88 GPIO channels

‑ Power Supply: 1.2 V for core, typical 3.3 V for I/O

‑ Temperature: ‑40℃ ~ +105℃, AEC‑Q100 Grade1 automotive temperature range

‑ Peripherals: 8×CAN‑FD, 14×LIN, 7×SPI, multi‑channel 10/12‑bit ADC, 64‑channel eDMA, 10/100 M Ethernet, eMIOS timer unit, hardware CRC, FCCU fault‑collection unit

‑ Security: EVITA‑Medium HSM hardware security module, supports AES128 encryption and secure boot; ASIL‑B functional‑safety rating

Functions

1. Vehicle embedded computing and control, runs automotive firmware, processes sensor inputs and driving output signals

2. Multi‑channel CAN‑FD / LIN in‑vehicle bus communication for data exchange among ECUs, supports data forwarding for automotive gateways

3. Integrated Ethernet for high‑speed in‑vehicle network communication

4. Multi‑channel ADC for analog‑signal acquisition; eMIOS timer generates PWM signals to drive actuators such as lamps and motors

5. HSM hardware encryption, secure firmware boot and key storage to prevent automotive‑firmware tampering

6. Comprehensive safety mechanisms including memory ECC error checking and FCCU fault‑detection unit, compliant with ISO26262 ASIL‑B to improve vehicle reliability

7. Low‑power management with fast wake‑up from sleep, adapted to automotive sleep‑mode conditions

8. 64‑channel DMA handles peripheral‑data transfer to reduce CPU load

**Applications**

‑ Automotive gateways, body domain controllers

‑ Body‑control ECUs for doors, seats, lamps and windows

‑ Vehicle HVAC controllers

‑ Control units for automotive lighting and actuators

‑ General‑purpose automotive electronic control units requiring ASIL‑B safety level