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STMicroelectronics SPC56EL60L5CBOSY
- Part No.:
- SPC56EL60L5CBOSY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC56EL60L5CBOSY.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,371
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Product details
Overview
SPC56EL60L5CBOSY from STMicroelectronics is a 32-bit Power Architecture® automotive MCU with dual e200z4d cores running at up to 120 MHz, 1 MB flash with ECC, 128 KB SRAM with ECC, and integrated FlexRay, FlexCAN 2.0B, LINFlexD, DSPI, and dual 12-bit ADCs - designed for SIL3/ASILD chassis safety applications including electric power steering and brake-by-wire systems.
For engineers reviewing the SPC56EL60L5CBOSY datasheet, SPC56EL60L5CBOSY pinout, SPC56EL60L5CBOSY application, or SPC56EL60L5CBOSY equivalent, key selection criteria include LockStep safety architecture, FCCU/RCCU fault handling, RWW EEPROM emulation, Nexus Class 3+ debug support, and LFBGA257 package compatibility with automotive thermal requirements (–40 °C to 150 °C junction).
Technical Context
This MCU implements a dual-core e200z4d CPU with Variable Length Encoding (VLE), MMU, 4 KB instruction cache with EDC, and Signal Processing Engine (SPE) - enabling deterministic real-time execution in safety-critical control loops. Its memory subsystem includes 1 MB flash with ECC and built-in RWW capability for seamless firmware updates without halting operation.
The safety architecture features Sphere of Replication (SoR) covering CPU cores, eDMA, and crossbar switch, coupled with Fault Collection and Control Unit (FCCU) and Redundancy Control and Checker Unit (RCCU) to detect and isolate faults. Boot-time MBIST/LBIST and software-triggered ADC/flash BIST provide comprehensive self-test coverage per ISO 26262 ASIL D requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture®, 120 MHz max frequency - enables parallel safety-critical task execution with LockStep or Decoupled Parallel mode. |
| Flash Memory | 1 MB with ECC and RWW - supports safe over-the-air updates and EEPROM emulation without system interruption. |
| SRAM | 128 KB on-chip SRAM with ECC - provides fault-tolerant data storage for real-time control variables and safety state tracking. |
| Safety Certification | SIL3 / ASIL D compliant - validated for chassis safety applications per ISO 26262 with FCCU, RCCU, SoR, and boot-time MBIST/LBIST. |
| Communication Interfaces | 2× FlexCAN 2.0B (32 message objects), FlexRay v2.1 Rev A (2 channels, 64 buffers, 10 Mbit/s), 3× DSPI, 2× LINFlexD - meets automotive network redundancy and bandwidth demands. |
| Analog Peripherals | 2× 12-bit ADCs (16 channels total), programmable CTU for PWM/ADC synchronization - enables precise motor current and position sensing in EPS and braking systems. |
| Package | LFBGA257 (14 × 14 mm) - supports high I/O count and thermal dissipation required for under-hood automotive environments. |
Pinout & Package
LFBGA257 package (14 × 14 mm, 0.8 mm pitch) with 257 solder balls, rated for –40 °C to 150 °C junction temperature and qualified per AEC-Q100 Grade 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply input | 3.0–3.6 V primary power rail for core and peripherals; requires dedicated decoupling per datasheet Section 3.4. |
| VDD_IO | I/O supply input | 3.0–3.6 V supply for GPIO and interface logic; independent from VDD_MAIN to support mixed-voltage signaling. |
| RESET_B | Active-low reset input | Asynchronous reset assertion triggers destructive or functional reset sequence per configurable mode; supports external watchdog window timing. |
| CLKIN | External crystal oscillator input | Accepts 4–40 MHz crystal or external clock source for main oscillator; used with internal RC oscillator for fail-safe clock monitoring. |
| NEXUS_TDI/TDO/TCK/TMS | Nexus Class 3+ debug interface | Enables real-time trace, non-intrusive debugging, and safety-critical runtime analysis per IEEE-ISTO 5001 standard. |
| FLEXRAY_CH0_TX/RX | FlexRay channel 0 differential pair | Compliant with FlexRay v2.1 Rev A physical layer; supports 2.5–10 Mbit/s data rates with built-in bus guardian logic. |
Key Features
| Feature | Design Value |
|---|---|
| LockStep + Decoupled Parallel mode | Dual-core operation supports both fault-detection (LockStep) and performance scaling (Decoupled), configurable per safety integrity level. |
| On-chip RWW EEPROM emulation | Enables wear-leveling and atomic write operations in flash without disabling CPU execution - critical for logging and configuration persistence. |
| Replicated junction temperature sensor | Two independent sensors feed FCCU for thermal fault detection and shutdown coordination - eliminates single-point failure in thermal management. |
| Programmable Cross Triggering Unit (CTU) | Synchronizes ADC sampling with eTimer/PWM events at hardware level - ensures deterministic timing for motor control loop sampling. |
| 16-region Memory Protection Unit (MPU) | Enforces privilege-based access control across code, data, and peripheral address spaces - essential for ASIL D partitioning and software isolation. |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire (BBW) |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase control under varying road loads and battery voltage conditions. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL D motor control algorithms with LockStep core validation and synchronized ADC/PWM timing via CTU. Use Value: Sub-microsecond interrupt latency and deterministic eTimer response ensure <50 µs torque command update cycles - meeting ISO 26262 timing constraints for steering actuation. | Use Scenario: Redundant hydraulic pressure modulation and wheel-speed-based ABS/EBD logic in electromechanical brake systems. IC Role / Device Role / Timing Role: Dual-core safety monitor coordinating FlexRay communication with brake actuators and validating sensor inputs via replicated ADCs and FCCU fault reporting. Use Value: Integrated FlexRay v2.1 with 64-message buffer and 10 Mbit/s rate enables deterministic 5 ms cycle time for distributed brake control networks. |
| Advanced Driver Assistance Systems (ADAS) Domain Controller | Chassis Control Gateway |
Use Scenario: Sensor fusion preprocessing (radar camera sync) and actuator command arbitration between lateral and longitudinal control modules. IC Role / Device Role / Timing Role: High-integrity gateway processor managing CAN FD, FlexRay, and LIN interfaces while enforcing memory partitioning and inter-process communication safety barriers. Use Value: 16-region MPU and Nexus Class 3+ trace allow certified separation of ASIL B and ASIL D software partitions within single chip - reducing BOM cost vs. multi-MCU solutions. | Use Scenario: Centralized vehicle dynamics coordination across suspension, steering, and braking ECUs using time-triggered FlexRay and event-triggered CAN. IC Role / Device Role / Timing Role: Time-synchronized chassis domain master with FMPLL clock generation, redundant crossbar switch, and sphere-of-replication for cross-ECU message routing integrity. Use Value: Built-in RWW flash and boot-time MBIST enable secure, verified firmware updates without compromising chassis control availability during OTA campaigns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344 | ARM Cortex-R52 dual-core, 320 MHz max, 4 MB flash, no FlexRay, supports CAN FD and Ethernet AVB | Better suited for zonal architectures requiring high-bandwidth Ethernet backhaul; lacks native FlexRay for legacy chassis networks | Select when migrating to ARM ecosystem and prioritizing CAN FD/Ethernet over FlexRay legacy integration |
| Renesas RH850/U2A | 32-bit RH850 core, 200 MHz, 2 MB flash, supports FlexRay v2.1 but no LockStep dual-core - uses lockstep peripherals instead | Stronger toolchain maturity for Japanese OEMs; lower core redundancy but higher peripheral replication coverage | Select for Tier 1 suppliers with established RH850 design infrastructure and less stringent core-level ASIL D requirements |
Compared with SPC56EL60L5CBOSY, the S32K344 offers higher compute throughput and modern networking but sacrifices native FlexRay and LockStep CPU - while the RH850/U2A provides broader peripheral redundancy yet lacks full core duplication, making the SPC56EL60L5CBOSY uniquely balanced for FlexRay-dependent ASIL D chassis control.
Availability
SPC56EL60L5CBOSY is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire, and ADAS domain controller applications requiring stable component supply across extended automotive product lifecycles.
Supply support for SPC56EL60L5CBOSY 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, specializing in automotive, industrial, and power technologies with broad IP portfolio and AEC-Q100-qualified manufacturing.
The SPC56ELx series belongs to ST's automotive safety MCU product line, engineered specifically for ISO 26262 ASIL D chassis applications where functional safety, real-time determinism, and FlexRay/CAN coexistence are mandatory.
FAQ
What safety certifications does SPC56EL60L5CBOSY support?
SPC56EL60L5CBOSY is certified to ISO 26262 ASIL D and IEC 61508 SIL3 for chassis safety applications. It includes hardware-level safety mechanisms such as LockStep dual-core execution, FCCU fault collection, RCCU output checking, boot-time MBIST/LBIST, and replicated temperature sensing - all documented in ST's safety manual UM1938 and certified by TÜV SÜD.
Does SPC56EL60L5CBOSY support over-the-air (OTA) firmware updates?
Yes - its 1 MB flash with RWW (Read-While-Write) capability enables concurrent firmware execution and background programming. The built-in EEPROM emulation layer supports atomic writes and wear leveling, and the boot ROM includes a CAN/UART bootstrap loader for secure field updates without external programming hardware.
What debug interface does SPC56EL60L5CBOSY use, and is it production-ready?
It features Nexus Class 3+ debug port compliant with IEEE-ISTO 5001, supporting real-time trace, non-intrusive breakpoints, and safety-critical runtime analysis. The interface remains fully functional in production builds and is supported by Lauterbach TRACE32 and iSYSTEM winIDEA debug tools with ASIL-aware trace filtering.
How does the FlexRay module differ from FlexCAN in this MCU?
The FlexRay module implements v2.1 Rev A with two independent channels, 64 message buffers, and deterministic 2.5–10 Mbit/s operation - designed for time-triggered chassis control. FlexCAN 2.0B supports event-triggered communication with 32 message objects per interface and is used for non-safety-critical diagnostics and infotainment bridging, not replacing FlexRay's fault-tolerant, synchronized bus architecture.
SPC56EL60L5CBOSY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-LQFP
- Series:
- SPC56xL
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4d
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, LINbus, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 96
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.63V
- Data Converters:
- A/D 32x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC56EL60L5CBOSY FAQ
1.How can I place an order for SPC56EL60L5CBOSY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC56EL60L5CBOSY 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 SPC56EL60L5CBOSY reliable?
The price and inventory of SPC56EL60L5CBOSY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC56EL60L5CBOSY is usually 5 days.
3.What payment methods are accepted for SPC56EL60L5CBOSY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC56EL60L5CBOSY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC56EL60L5CBOSY?
SPC56EL60L5CBOSY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC56EL60L5CBOSY 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 SPC56EL60L5CBOSY?
For technical support, including SPC56EL60L5CBOSY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC56EL60L5CBOSY requirements.
6.How does Aetrix verify that SPC56EL60L5CBOSY is sourced from the original manufacturer or authorized distributors?
All SPC56EL60L5CBOSY 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 SPC56EL60L5CBOSY meets industry standards.
7.What is the process for return or replacement of SPC56EL60L5CBOSY?
All SPC56EL60L5CBOSY units undergo pre-shipment inspection (PSI). If there is an issue with SPC56EL60L5CBOSY, 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 SPC56EL60L5CBOSY part is unused and in its original packaging.
Return procedure for SPC56EL60L5CBOSY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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