STMicroelectronics SPC58EC80C3NEC0X

Overview

SPC58EC80C3NEC0X from STMicroelectronics is an AEC-Q100 qualified 32-bit Power Architecture automotive microcontroller featuring dual e200z420n3 cores at 180 MHz, 4 MB on-chip flash (4096 KB code + 128 KB data), Hardware Security Module (HSM), and ASIL-B functional safety compliance per ISO 26262. It integrates 384 KB general-purpose SRAM, 64-channel eDMA, dual PLLs, and supports CAN-FD, FlexRay, Ethernet 10/100 Mbps, and 18 LINFlexD interfaces for powertrain and chassis control applications.

For engineers reviewing the SPC58EC80C3NEC0X datasheet, SPC58EC80C3NEC0X pinout, SPC58EC80C3NEC0X application, or SPC58EC80C3NEC0X equivalent, key selection criteria include dual-core lock-step capability, HSM cryptographic acceleration, ASIL-B safety architecture with FCCU and MEMU, and FPBGA292 packaging for high I/O density in automotive ECU designs.

Technical Context

The SPC58EC80C3NEC0X implements a dual-core delayed lock-step (DLS) architecture with redundancy checkers for fault detection, coupled with a dedicated Hardware Security Module containing 176 KB flash (144 KB code + 32 KB data) for secure boot and cryptographic operations. Its crossbar switch enables concurrent ECC-protected access to Flash, SRAM, and peripherals by multiple bus masters including CPU cores, eDMA, and Ethernet MAC.

It features a comprehensive ASIL-B safety concept including Fault Collection and Control Unit (FCCU), Memory Error Management Unit (MEMU), Cyclic Redundancy Check (CRC) unit, and end-to-end ECC across memory and interconnect paths. Clocking uses dual PLLs-one for stable peripheral domains and one for FM-modulated computational shell-supporting precise timing for real-time automotive control loops.

Key Specifications

Pinout & Package

SPC58EC80C3NEC0X is packaged in FPBGA292 (17 mm × 17 mm × 1.8 mm), optimized for high I/O count and thermal performance in automotive under-hood environments. The package supports 292-ball grid array with dedicated power/ground ball mapping, differential signaling pairs for Ethernet and FlexRay, and configurable I/O banks supporting 5 V-tolerant, 3.3 V, and 1.2 V logic levels.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-core automotive MCU applications.

Compared with NXP S32K344 and Renesas RH850/U2A, the SPC58EC80C3NEC0X provides unique value in legacy Power Architecture toolchain compatibility, integrated FlexRay dual-channel support, and HSM-dedicated flash layout optimized for incremental secure firmware updates in production ECUs.

Availability

SPC58EC80C3NEC0X is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, ADAS domain controllers, and vehicle gateway modules requiring stable component supply across automotive production lifecycles.

Supply support for SPC58EC80C3NEC0X includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in automotive, industrial, and power management ICs with broad manufacturing scale and AEC-Q100 qualification expertise.

The SPC58 C Line is ST's high-performance automotive MCU family built on 40 nm technology, designed specifically for ASIL-B–compliant powertrain, chassis, and body control applications demanding dual-core safety, HSM security, and multi-protocol connectivity.

FAQ

What is the maximum junction temperature rating for SPC58EC80C3NEC0X?

The SPC58EC80C3NEC0X is rated for a junction temperature range of –40 °C to +150 °C, meeting AEC-Q100 Grade 0 requirements for under-hood automotive applications. This specification is validated across process corners and confirmed in the DS11620 Rev 8 datasheet Section 4.6, with thermal derating applied above 125 °C ambient in sealed enclosures.

Does SPC58EC80C3NEC0X support CAN FD and how many channels are available?

Yes, the SPC58EC80C3NEC0X integrates eight fully compliant ISO 11898-1:2015 CAN FD controllers (MCAN modules), each supporting flexible data rates up to 5 Mbps and shared memory schemes for efficient message buffering. All eight channels operate independently with dedicated message RAM and error counters, as detailed in Section 2.2 and Table 2 of DS11620 Rev 8.

How is the Hardware Security Module (HSM) physically and logically isolated?

The HSM is implemented as a separate on-die subsystem with dedicated 176 KB flash (144 KB code + 32 KB data), isolated bus interface, and independent clock domain. It runs proprietary secure firmware verified at boot and enforces strict access control via the System Protection Unit (SPU), preventing unauthorized read/write access from main CPU cores - documented in Sections 2.3 and 4.15.1 of DS11620 Rev 8.

What debug interface standards does SPC58EC80C3NEC0X support?

The device supports Nexus Class 3+ development interface per IEEE-ISTO 5001-2003 with partial IEEE-ISTO 5001-2010 extensions, plus JTAG (IEEE 1149.1/1149.7) for boundary scan and production testing. Real-time trace, non-intrusive breakpoints, and safety verification are enabled through the SIPI/LFAST debug infrastructure described in Section 2.2 and Figure 1 of DS11620 Rev 8.