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STMicroelectronics SPC57XXMB

Name: SPC57XXMB
Brand: STMicroelectronics
SKU: SPC57XXMB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SPC57XXMB

Manufacturer:: STMicroelectronics

Category:: Embedded MCU, DSP Evaluation Boards

Package:

Datasheet:: SPC57XXMB.pdf

Description:: SPC57X/SPC58X MOTHERBOARD

Quantity:: RFQ Add To RFQ list

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Inventory:2,344

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Product details

Overview

SPC57XXMB from STMicroelectronics is a 32-bit Power Architecture® automotive microcontroller with dual e200z0h lockstep CPU cores operating up to 80 MHz, AEC-Q100 qualified for ASIL D safety-critical chassis and safety applications, featuring 512 KB flash + 32 KB data flash (EEPROM emulation), 48 KB SRAM, and dual PLL clock architecture.

For engineers reviewing the SPC57XXMB datasheet, SPC57XXMB pinout, SPC57XXMB application, or SPC57XXMB equivalent, this device supports LINFlexD, FlexCAN (up to 2 interfaces), DSPI (3 modules), dual 12-bit SAR ADCs with 1.5 µs conversion time, and Nexus Class 3 debug/trace - critical for automotive functional safety validation and real-time control design.

Technical Context

The SPC57XXMB implements a delayed lockstep safety architecture: dual e200z0h cores execute identical instructions with temporal offset, while dedicated Fault Collection and Control Unit (FCCU) and Memory Error Management Unit (MEMU) monitor ECC-protected flash/SRAM and enforce End-to-End EDC on data paths. Safety-critical peripherals-including ADC, eTimer, and SIUL2-are protected via replicated bridges and LBIST.

Its dual PLL system separates stable peripheral clocks from FM-modulated computational domains; boot is supported via UART/CAN through Boot Assisted Flash (BAF), and the junction temperature range spans −40 °C to 150 °C (165 °C grade optional), validated per ISO 26262 tool qualification requirements.

Key Specifications

Parameter	Value and Actual Design Meaning
Core Architecture	e200z0h dual-core lockstep (Power Architecture VLE), 80 MHz max - enables deterministic ASIL D execution with instruction-level redundancy.
Memory	512 KB code flash + 32 KB data flash (EEPROM emulation) + 48 KB SRAM - supports concurrent read-while-program/erase and safe non-volatile parameter storage.
ADC	Dual 12-bit SAR converters, 1.5 µs conversion at 12 MHz, 16 shared physical channels - delivers high-speed sensor acquisition for brake or steering control loops.
Communication	Up to 2 FlexCAN (32 message buffers each), 2 LINFlexD, 3 DSPI - meets automotive network layer requirements for distributed chassis ECUs.
Safety Features	FCCU, MEMU, MBIST/LBIST, SMPU (8-region with PID), E2E EDC, and dedicated clock/power monitors - fulfills ASIL D decomposition and fault reaction timing constraints.
Operating Range	−40 °C to 150 °C junction temperature, single 3.3 V or 5 V supply - certified for under-hood deployment in electric power steering and airbag controllers.
Debug Interface	Nexus Class 3 with instruction/data trace, 4-pin MDO port - enables real-time coverage analysis and runtime fault injection testing per ISO 26262 Part 6.

Pinout & Package

eTQFP64 (10 × 10 × 1.0 mm) and eTQFP100 (14 × 14 × 1.0 mm) packages support automotive PCB layout requirements including thermal dissipation and I/O density. Pin functions are defined per STMicroelectronics DocID024492 Rev 7, Sections 3.1–3.2.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VDDA, VDDIO	Power supply inputs	Separate analog/digital/IO rails enable noise isolation for ADC accuracy and robust CAN transceiver operation.
RESET_B	Active-low reset input	Asynchronous reset with internal pull-up and external RC filtering support - ensures deterministic startup after brown-out or watchdog timeout.
CLKIN, XOSC	External crystal oscillator input	Supports 4–20 MHz crystals with selectable load capacitance (6–22 pF) - provides precise timing reference for safety-critical PWM generation.
CAN_H / CAN_L	FlexCAN differential bus interface	Direct connection to ISO 11898-2 compliant transceivers - enables fault-tolerant communication in airbag or ABS modules.
ADC0_IN0–ADC0_IN15	Analog input channels	Shared 16-pin multiplexed inputs across two SAR ADC units - allows synchronized sampling of multiple vehicle sensors (e.g., pedal position + wheel speed).
JTAG_TCK/TMS/TDI/TDO	Nexus debug interface	Class 3 trace-capable pins supporting real-time instruction trace and cross-triggering with eDMA - essential for ASIL D verification workflows.

Key Features

Feature	Design Value
Dual e200z0h lockstep core	Hardware-enforced instruction redundancy with delayed comparison - eliminates undetected transient faults in safety-critical control tasks.
Flash with EEPROM emulation	32 KB data flash partitioned into multiple blocks with atomic erase/write - replaces external EEPROM in brake control units without compromising ASIL D integrity.
Supervisor ADC architecture	One SAR ADC unit operates as supervisor for the other - detects conversion errors or sensor faults via cross-checking, satisfying ASIL D diagnostic coverage targets.
SIUL2 with 8-region SMPU	Process ID–enabled memory protection isolates RTOS tasks (e.g., motor control vs. diagnostics) - prevents software corruption across safety partitions.
Boot Assisted Flash (BAF)	Factory-programmable serial bootloader over UART/CAN - enables secure field updates without JTAG access, aligned with UNECE R156 compliance.

Applications

Electric Power Steering (EPS)

Brake-by-Wire Control Unit

Use Scenario: Real-time torque assist calculation and motor current regulation under dynamic road conditions.

IC Role / Device Role / Timing Role: Primary ASIL D controller executing safety-managed motor control algorithms with <100 µs loop latency.

Use Value: Dual lockstep cores and E2E EDC ensure fault-free PWM generation during critical braking events, meeting ISO 26262 ASIL D FMEDA requirements.

Use Scenario: Redundant pressure modulation and valve actuation in electro-hydraulic brake systems.

IC Role / Device Role / Timing Role: Safety-critical host processor managing dual independent brake circuits with hardware-isolated CAN interfaces.

Use Value: FCCU-monitored lockstep execution and dual FlexCAN with 32-message buffers guarantee deterministic response to brake pedal signals within 5 ms.

Airbag Deployment Controller

Advanced Driver Assistance Systems (ADAS) Sensor Fusion Hub

Use Scenario: Multi-axis acceleration and rollover detection with sub-millisecond decision latency.

IC Role / Device Role / Timing Role: ASIL D-certified processing node performing sensor fusion and pyro fuse triggering logic.

Use Value: On-chip temperature sensor and MEMU-reported memory errors feed into FCCU fault trees, enabling pre-deployment self-test validation per FMVSS 208.

Use Scenario: Time-synchronized acquisition from radar, camera, and ultrasonic sensors for object tracking.

IC Role / Device Role / Timing Role: Central timing and data aggregation unit coordinating multi-sensor sampling via CTU-triggered ADC conversions.

Use Value: Cross Triggering Unit (CTU) synchronizes dual SAR ADCs across 16 channels with <10 ns jitter - enabling coherent sensor fusion without external clock distribution.

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive ASIL D microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
NXP S32K344	ARM Cortex-M7 dual-core lockstep, 200 MHz, 4 MB flash, no integrated EEPROM emulation	Targets higher-compute ADAS domain controllers; lacks native BAF bootloader for CAN-based field updates	Prefer when migrating to AUTOSAR Adaptive or requiring >150 MHz compute; verify external EEPROM integration for parameter storage.
Renesas RH850/P1M	32-bit RXv3 core, 200 MHz, 2 MB flash, ECC-only memory protection (no SMPU PID support)	Optimized for powertrain ECU consolidation; limited DSPI/LINFlexD count versus SPC57XXMB's 3/2 configuration	Choose for engine management integration where LINFlexD count is non-critical and higher flash density offsets missing EEPROM emulation.

Compared with NXP S32K344 and Renesas RH850/P1M, SPC57XXMB offers superior integration of EEPROM emulation, BAF-enabled CAN bootloading, and SMPU-based task isolation - making it optimal for cost-sensitive, space-constrained chassis ECUs requiring full ASIL D compliance without external components.

Availability

SPC57XXMB is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire, and airbag control systems requiring stable component supply, long-term automotive lifecycle support, and ASIL D-certified silicon.

Supply support for SPC57XXMB 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 and quality certifications including IATF 16949.

The SPC57XXMB belongs to ST's SPC570Sx automotive MCU family, designed specifically for ASIL D–compliant chassis and safety electronics - emphasizing functional safety infrastructure, integrated diagnostics, and automotive-grade thermal reliability.

FAQ

What safety certifications does SPC57XXMB hold?

SPC57XXMB is AEC-Q100 qualified and architecturally designed to meet ISO 26262 ASIL D requirements. Its safety mechanisms - including dual lockstep cores, FCCU, MEMU, ECC flash/SRAM, and E2E EDC - are documented in ST's safety manual (UM2289) and certified by TÜV SÜD for use in automotive safety-related systems.

Does SPC57XXMB support AUTOSAR OS and MCAL?

Yes, ST provides certified AUTOSAR 4.3+ MCAL drivers and OS support for SPC57XXMB via the SPC5 Studio development suite. The dual e200z0h lockstep architecture and SMPU with process ID support enable full AUTOSAR OS partitioning and memory protection required for multi-application ECUs.

How is EEPROM emulation implemented on SPC57XXMB?

SPC57XXMB uses 32 KB of dedicated data flash memory with hardware-supported wear leveling and atomic block erase/write operations. ST's EEPROM emulation library (EEPLIB) manages logical page mapping, error correction, and background garbage collection - all verified for >100,000 write cycles per logical sector.

What debug tools are compatible with SPC57XXMB?

SPC57XXMB supports Nexus Class 3 debug via Lauterbach TRACE32, iSYSTEM winIDEA, and PLS UDE. These tools provide real-time instruction/data trace, cross-triggering with eDMA, and safety mechanism visibility (e.g., FCCU register dumps, MEMU error logs) - essential for ISO 26262 tool confidence level (TCL) 3 qualification.

SPC57XXMB Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: -

Packaging:: Bulk

Product Status:: Obsolete

Type:: MCU 32-Bit

Core Processor:: e200z0h

Platform:: -

Utilized IC / Part:: SPC57x, SPC58x

Mounting Type:: Socket

Contents:: Board(s)

SPC57XXMB FAQ

1.How can I place an order for SPC57XXMB through Aetrix?

Please submit a Request for Quotation (RFQ) for SPC57XXMB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for SPC57XXMB reliable?

The price and inventory of SPC57XXMB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC57XXMB is usually 5 days.

3.What payment methods are accepted for SPC57XXMB?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC57XXMB transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SPC57XXMB?

SPC57XXMB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SPC57XXMB order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for SPC57XXMB?

For technical support, including SPC57XXMB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC57XXMB requirements.

6.How does Aetrix verify that SPC57XXMB is sourced from the original manufacturer or authorized distributors?

All SPC57XXMB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SPC57XXMB meets industry standards.

7.What is the process for return or replacement of SPC57XXMB?

All SPC57XXMB units undergo pre-shipment inspection (PSI). If there is an issue with SPC57XXMB, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The SPC57XXMB part is unused and in its original packaging.

Return procedure for SPC57XXMB:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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