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STMicroelectronics SPC56EL54L3CBFSY
- Part No.:
- SPC56EL54L3CBFSY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
SPC56EL54L3CBFSY.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,471
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Product details
Overview
SPC56EL54L3CBFSY from STMicroelectronics is a 32-bit Power Architecture® automotive MCU featuring dual e200z4d cores running at up to 120 MHz, 1 MB Flash with ECC, 128 KB SRAM with ECC, and integrated FlexCAN 2.0B, FlexRay v2.1, LINFlexD, DSPI, and dual 12-bit ADCs - deployed in chassis control units requiring SIL3/ASIL D functional safety compliance.
For engineers reviewing the SPC56EL54L3CBFSY datasheet, SPC56EL54L3CBFSY pinout, SPC56EL54L3CBFSY application, or SPC56EL54L3CBFSY equivalent, key selection considerations include LockStep vs. Decoupled Parallel core operation mode, FCCU/RCCU safety architecture validation, RWW EEPROM emulation capability, and LFBGA257 package thermal performance at 150 °C junction temperature.
Technical Context
The SPC56EL54L3CBFSY implements a dual-core e200z4d CPU with Variable Length Encoding (VLE), five-stage dual-issue pipeline, and Signal Processing Engine (SPE). It supports both LockStep mode for fault-detection-critical SIL3/ASIL D functions and Decoupled Parallel mode for high-throughput deterministic tasks like motor control loop execution.
Safety is enforced via Sphere of Replication (SoR) covering CPU cores, eDMA, and crossbar switch; Fault Collection and Control Unit (FCCU); Redundancy Control and Checker Unit (RCCU); and hardware-triggered MBIST/LBIST at boot. The device integrates Nexus Class 3+ debug, IEEE 1149.1 JTAG, and on-chip CAN/UART bootstrap loader.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture®, VLE support, 120 MHz max frequency |
| Memory | 1 MB Flash with ECC + RWW EEPROM emulation; 128 KB SRAM with ECC |
| Safety Certification | Designed for SIL3/ASIL D automotive chassis & safety applications per ISO 26262 |
| ADC | Dual 12-bit ADCs, 16 input channels, CTU-synchronized sampling with eTimer/FlexPWM |
| Communication | 2× FlexCAN 2.0B (32 msg objects), 2× FlexRay v2.1 (2 ch, 10 Mbit/s), 2× LINFlexD, 3× DSPI |
| Timers & PWM | Three 6-channel eTimer units; two FlexPWM modules (4×16-bit channels each) |
| Operating Range | −40 °C to 125 °C ambient; −40 °C to 150 °C junction; single 3.0–3.6 V supply |
Pinout & Package
LFBGA257 package (14 × 14 mm, 0.8 mm pitch), thermally enhanced for automotive under-hood deployment with exposed thermal pad. Pinout validated per STMicroelectronics DocID15457 Rev 12, Table 5 (LFBGA257 pin function summary).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog power/ground | Isolated analog domain supply pins; require dedicated decoupling for ADC/SWG accuracy |
| VRH / VRL | ADC reference voltage | External high/low reference inputs enabling programmable full-scale range (e.g., 0–5 V) |
| ET0_QA / ET0_QB | eTimer quadrature A/B inputs | Dedicated differential encoder interface supporting position/speed feedback in motor control |
| FLEXRAY_TX0 / RX0 | FlexRay channel 0 differential pair | High-speed deterministic bus interface compliant with FlexRay v2.1, 10 Mbit/s data rate |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential signals | ISO 11898-1 compliant CAN 2.0B physical layer interface with built-in transceiver biasing |
| NEXUS_TDI / TDO / TCK / TMS | Nexus Class 3+ debug port | Real-time trace, non-intrusive debugging, and safety-critical runtime monitoring capability |
Key Features
| Feature | Design Value |
|---|---|
| LockStep Safety Mode | Hardware-enforced dual-core instruction-level comparison with automatic fault escalation via FCCU |
| RWW EEPROM Emulation | Enables field-upgradable calibration data storage without halting CPU execution or erasing main Flash |
| CTU Synchronization | Programmable cross-triggering unit coordinates ADC sampling precisely with eTimer capture or FlexPWM edge events |
| Replicated Junction Sensor | Dual on-die temperature sensors with independent readout paths for redundancy-critical thermal monitoring |
| Boot-Time BIST | Hardware-triggered MBIST/LBIST and software-triggered ADC/Flash BIST ensure pre-operational integrity verification |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire Control Unit |
|---|---|
Use Scenario: Real-time torque assist calculation, motor phase current sensing, and fail-safe actuator command arbitration in steer-by-wire systems. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL D motor control loops with <100 µs jitter tolerance and dual-core LockStep validation. Use Value: Integrated eTimer quadrature decoding and CTU-synchronized dual ADCs eliminate external signal conditioning, reducing BOM count and PCB area. |
Use Scenario: Coordinating hydraulic pressure modulation, wheel speed fusion, and redundancy management across primary and backup brake actuators. IC Role / Device Role / Timing Role: SIL3-certified chassis domain controller managing FlexRay backbone communication and safety-shutdown sequencing. Use Value: On-chip FlexRay v2.1 with 64 message buffers enables deterministic 10 ms cycle time for brake command distribution without external protocol IC. |
| Active Suspension ECU | ADAS Domain Controller Interface |
Use Scenario: High-frequency road profile estimation using accelerometer/gyro sensor fusion and real-time skyhook algorithm execution. IC Role / Device Role / Timing Role: Deterministic compute node handling 1 kHz control updates with SPE-accelerated filtering and memory-protected SRAM for state variables. Use Value: 128 KB ECC SRAM ensures integrity of dynamic suspension model coefficients during continuous vibration exposure. |
Use Scenario: Bridging radar/vision processing SoCs to vehicle chassis networks via time-synchronized CAN/FlexRay gateways. IC Role / Device Role / Timing Role: Safety-monitored interface controller validating message integrity and enforcing end-to-end latency budgets (<5 ms). Use Value: Dual FlexCAN interfaces with 32 message objects support concurrent ADAS alert forwarding and chassis status reporting without software arbitration overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC56EL60L3CBFSY | Higher Flash (1.5 MB) and SRAM (256 KB); same core, safety IP, and peripheral set | Required for larger AUTOSAR OS images or complex multi-axis motor control stacks | Select when >1 MB code space or >128 KB RAM is needed for ASW + RTE + BSW layers |
| SPC564L54L3CBFSY | Same memory size but uses e200z0 core (single issue, no SPE); lacks FlexRay module | Suitable for non-FlexRay chassis nodes (e.g., seat control, lighting) with lower ASIL requirements | Choose for cost-sensitive ASIL B/C applications where FlexRay and SPE are unnecessary |
Compared with SPC56EL54L3CBFSY, the SPC56EL60L3CBFSY offers scalable memory for complex AUTOSAR deployments, while the SPC564L54L3CBFSY reduces cost and complexity by removing FlexRay and SPE - making it viable only for non-deterministic, lower-integrity chassis functions.
Availability
SPC56EL54L3CBFSY is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire, and active suspension systems requiring stable component supply under AEC-Q100 Grade 1 qualification and long-term automotive lifecycle support.
Supply support for SPC56EL54L3CBFSY 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 solutions with broad IP portfolio and AEC-Q100-compliant manufacturing.
The SPC56EL54L3CBFSY belongs to ST's SPC56ELx automotive MCU family, engineered specifically for SIL3/ASIL D chassis control applications demanding dual-core lockstep safety, deterministic real-time performance, and integrated high-speed automotive networking.
FAQ
What safety certifications does the SPC56EL54L3CBFSY support?
The SPC56EL54L3CBFSY is designed to meet ISO 26262 ASIL D requirements for chassis and safety applications. It incorporates hardware safety mechanisms including LockStep dual-core checking, FCCU fault collection, RCCU output validation, and boot-time MBIST/LBIST. ST provides certified safety manuals, FMEDA reports, and diagnostic software libraries to support functional safety integration.
Does the SPC56EL54L3CBFSY support EEPROM emulation without external components?
Yes - the device includes built-in Read-While-Write (RWW) capability in its 1 MB Flash memory with ECC, enabling robust EEPROM emulation. This allows persistent storage of calibration data, counters, or configuration parameters without requiring external serial EEPROM or FRAM, and supports wear leveling and error correction transparently via ST's SPC56ELx EEPROM emulation library.
Can the dual e200z4d cores operate independently, or only in LockStep?
Both modes are supported: LockStep for safety-critical functions (e.g., motor torque computation) and Decoupled Parallel mode for high-performance tasks (e.g., sensor fusion, communication stack processing). Mode selection is controlled via MC_ME module registers at runtime, enabling dynamic allocation of safety vs. throughput resources within a single chip.
What is the maximum achievable FlexRay communication bandwidth?
The integrated FlexRay module supports two independent channels with up to 64 message buffers and data rates up to 10 Mbit/s per channel. In practice, sustained bandwidth depends on static segment configuration and macro-tick settings; typical deterministic cycles achieve ≤10 ms update intervals with full payload utilization, validated per FlexRay v2.1 Rev. A conformance testing.
SPC56EL54L3CBFSY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-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:
- 16
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 96K 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:
SPC56EL54L3CBFSY FAQ
1.How can I place an order for SPC56EL54L3CBFSY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC56EL54L3CBFSY 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 SPC56EL54L3CBFSY reliable?
The price and inventory of SPC56EL54L3CBFSY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC56EL54L3CBFSY is usually 5 days.
3.What payment methods are accepted for SPC56EL54L3CBFSY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC56EL54L3CBFSY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC56EL54L3CBFSY?
SPC56EL54L3CBFSY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC56EL54L3CBFSY 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 SPC56EL54L3CBFSY?
For technical support, including SPC56EL54L3CBFSY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC56EL54L3CBFSY requirements.
6.How does Aetrix verify that SPC56EL54L3CBFSY is sourced from the original manufacturer or authorized distributors?
All SPC56EL54L3CBFSY 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 SPC56EL54L3CBFSY meets industry standards.
7.What is the process for return or replacement of SPC56EL54L3CBFSY?
All SPC56EL54L3CBFSY units undergo pre-shipment inspection (PSI). If there is an issue with SPC56EL54L3CBFSY, 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 SPC56EL54L3CBFSY part is unused and in its original packaging.
Return procedure for SPC56EL54L3CBFSY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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