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STMicroelectronics SPC56EL54L5CBFSY
- Part No.:
- SPC56EL54L5CBFSY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC56EL54L5CBFSY.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,493
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Product details
Overview
SPC56EL54L5CBFSY from STMicroelectronics is a 32-bit Power Architecture® automotive microcontroller featuring dual e200z4d cores, 1 MB Flash with ECC, 128 KB SRAM with ECC, and SIL3/ASILD-certified safety architecture including LockStep mode, FCCU, RCCU, and boot-time MBIST/LBIST. It operates at up to 120 MHz and supports FlexRay (10 Mbit/s), dual FlexCAN 2.0B, LINFlexD, DSPI, and two 12-bit ADCs - deployed in chassis control units requiring functional safety compliance.
For engineers reviewing the SPC56EL54L5CBFSY datasheet, SPC56EL54L5CBFSY pinout, SPC56EL54L5CBFSY application, or SPC56EL54L5CBFSY equivalent, key selection criteria include ASIL-D safety certification, dual-core LockStep redundancy, FlexRay V2.1 support, on-chip RWW EEPROM emulation, and -40 °C to 150 °C junction temperature operation for under-hood automotive systems.
Technical Context
The SPC56EL54L5CBFSY implements a dual-issue, five-stage pipeline e200z4d CPU core with Variable Length Encoding (VLE) and integrated Signal Processing Engine (SPE). Its memory subsystem includes 1 MB flash with ECC and 128 KB SRAM with ECC, both supporting Read-While-Write (RWW) for real-time firmware updates.
Safety-critical operation is enabled by 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 supports Decoupled Parallel mode for non-safety high-performance tasks alongside LockStep execution.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture®, 120 MHz max frequency - enables deterministic real-time control with hardware redundancy. |
| Flash Memory | 1 MB with ECC and RWW capability - supports safe over-the-air updates and robust code storage in safety-critical applications. |
| SRAM | 128 KB on-chip SRAM with ECC - provides fault-tolerant data buffering and stack space for ASIL-D software partitions. |
| Safety Certification | SIL3 / ASIL-D compliant via LockStep, FCCU, RCCU, MBIST/LBIST, and replicated temperature sensor - meets ISO 26262 requirements for chassis control. |
| Communication Interfaces | 2× FlexCAN 2.0B (32 message objects), 2× FlexRay V2.1 (2 channels, 64 buffers, 10 Mbit/s), 3× DSPI, 2× LINFlexD - enables multi-bus vehicle network integration. |
| Analog Peripherals | Two 12-bit ADCs (16 channels total), CTU for cross-triggering with eTimer/FlexPWM - supports synchronized sensor acquisition in motor control and brake systems. |
| Package & Temp Range | LFBGA257 (14 × 14 mm), -40 °C to 125 °C ambient / -40 °C to 150 °C junction - qualified for under-hood automotive deployment. |
Pinout & Package
LFBGA257 package (14 × 14 mm, 0.8 mm pitch) with 257 I/O terminals. Pin functions include dedicated supply (VDD, VSS), system (RESET, CLK, NMI), safety (FCCU_ERR, RCCU_OUT), communication (CAN_H/L, FRAY_A/B_TX/RX), analog (ADC0_IN0–15, ADC1_IN0–15), and configurable GPIOs supporting multiple peripheral muxing options.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dedicated power domains per voltage regulator stage; decoupling required per datasheet Table 11 for EMI suppression and noise immunity. |
| RESET | Asynchronous reset input | Active-low signal initiating destructive or functional reset sequences; supports external watchdog window timing per Figure 21. |
| FCCU_ERR | Fault reporting output | Open-drain signal asserted when FCCU detects uncorrectable error in SoR outputs - triggers system-level fail-safe response. |
| CAN0_TX / CAN0_RX | FlexCAN differential interface | Compliant with ISO 11898-2; supports bit rates up to 1 Mbit/s with 32 configurable message objects and mailbox arbitration. |
| FRAY_A_TX / FRAY_A_RX | FlexRay channel A transceiver interface | Supports 10 Mbit/s data rate, 64-message buffer, and dynamic/static slot configuration per FlexRay V2.1 Rev. A specification. |
Key Features
| Feature | Design Value |
|---|---|
| LockStep + Decoupled Parallel mode | Enables concurrent safety-critical (LockStep) and high-performance (Decoupled) execution on same silicon - eliminates need for separate safety and application MCUs. |
| On-chip RWW EEPROM emulation | Uses flash sectors with background wear leveling and atomic write handling - replaces external EEPROM in brake ECUs and steering controllers. |
| Nexus Class 3+ debug interface | Provides real-time trace, non-intrusive debugging, and safety-aware breakpoint management - certified for ISO 26262 tool qualification. |
| Replicated junction temperature sensor | Two independent thermal sensors with cross-checking logic - enables fail-safe thermal shutdown without single-point-of-failure. |
| Programmable Cross Triggering Unit (CTU) | Synchronizes ADC sampling with eTimer capture and FlexPWM edge events - critical for field-oriented motor control timing precision. |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire Control Unit |
|---|---|
Use Scenario: Real-time torque assist calculation, motor phase current sensing, and fail-operational steering response during partial actuator failure. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms with LockStep core validation and FlexRay-based actuator coordination. Use Value: Dual-core redundancy ensures continued operation after single-point hardware fault; 120 MHz core speed enables ≤100 µs current loop update for smooth assist feel. |
Use Scenario: Coordinating hydraulic pressure modulation across four wheel calipers during ABS/EBA events while maintaining fail-operational braking. IC Role / Device Role / Timing Role: Central chassis domain controller interfacing with FlexCAN (for vehicle network), FlexRay (for actuator bus), and dual ADCs (for pressure sensor inputs). Use Value: Integrated FCCU and RCCU detect and isolate faults within 5 µs; RWW flash allows in-field calibration updates without disabling braking function. |
| Active Suspension Control | Advanced Driver Assistance Systems (ADAS) Domain Controller |
Use Scenario: High-frequency road profile sampling and real-time damper force computation using accelerometer and wheel speed inputs. IC Role / Device Role / Timing Role: Safety-monitored compute node running ISO 26262-compliant suspension algorithms with synchronized ADC/eTimer acquisition. Use Value: CTU-triggered ADC sampling aligned to eTimer PWM edges achieves <±0.5° phase accuracy in active damping control loops. |
Use Scenario: Aggregating sensor data from radar, camera, and ultrasonic modules while managing functional safety monitoring for ADAS features like AEB and LKA. IC Role / Device Role / Timing Role: Safety gateway processor validating sensor integrity, performing plausibility checks, and issuing fail-safe commands via FlexCAN/FlexRay. Use Value: Boot-time MBIST/LBIST and runtime CRC unit ensure memory/logic integrity across 10+ years of vehicle lifetime - meeting ASIL-D diagnostic coverage targets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC56EL60L5CBFSY | 1.5 MB Flash, 192 KB SRAM, identical safety architecture and peripherals - higher memory capacity only. | Required where larger OTA update partitions or extended diagnostic log buffers are needed beyond 1 MB flash. | Select when firmware growth projections exceed 85% of 1 MB flash; otherwise SPC56EL54L5CBFSY offers optimal cost/performance balance. |
| NXP S32K344 | ARM Cortex-R52 dual core, 4 MB Flash, ASIL-D support via lockstep, but lacks FlexRay and uses different safety IP (S32G-style FCCU). | Preferred for new designs targeting AUTOSAR Adaptive and Ethernet-based domain controllers - not drop-in compatible. | Choose for greenfield projects prioritizing ARM ecosystem and Ethernet connectivity; avoid for legacy FlexRay-dependent chassis platforms. |
Compared with SPC56EL60L5CBFSY, this part reduces flash/SRAM size without compromising safety features or peripheral set - lowering BOM cost for volume EPS modules. Against NXP S32K344, it retains native FlexRay and Power Architecture toolchain continuity but requires Power ISA expertise.
Availability
SPC56EL54L5CBFSY is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire, active suspension, and ADAS domain controllers requiring stable component supply across automotive production lifecycles.
Supply support for SPC56EL54L5CBFSY 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 solutions with broad IP portfolios in microcontrollers, analog, and MEMS.
This device belongs to the SPC56ELx automotive MCU family, designed specifically for ISO 26262 ASIL-D chassis and safety-critical applications - emphasizing hardware redundancy, diagnostic coverage, and long-term automotive qualification.
FAQ
What is the maximum operating junction temperature for SPC56EL54L5CBFSY?
The confirmed maximum junction temperature is 150 °C, validated per datasheet Section 3.5 and Table 14 for LFBGA257 package. This rating enables direct mounting on engine-compartment PCBs with appropriate thermal vias and copper pour, supporting under-hood deployment without forced cooling.
Does SPC56EL54L5CBFSY support boot-time self-test for ADC and flash memory?
Yes: boot-time Built-In Self-Test for ADC and flash memory is software-triggered per datasheet Section 1.5.41, enabling pre-runtime validation of analog front-end linearity and flash program/erase functionality before safety-critical application startup.
How many message objects does each FlexCAN interface support?
Each FlexCAN interface supports 32 message objects, configurable as full CAN 2.0B mailboxes with acceptance filtering, FIFO mode, or individual ID masking - verified in datasheet Section 1.5.26 and Table 1.
Is Nexus Class 3+ debug support included in the SPC56EL54L5CBFSY silicon?
Yes: Nexus Class 3+ interface is integrated and fully functional, providing real-time instruction trace, data trace, and non-intrusive breakpoints - documented in Section 1.5.38 and validated in ST's SPC56ELx reference manuals and debugger compatibility matrices.
SPC56EL54L5CBFSY 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:
- 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:
SPC56EL54L5CBFSY FAQ
1.How can I place an order for SPC56EL54L5CBFSY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC56EL54L5CBFSY 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 SPC56EL54L5CBFSY reliable?
The price and inventory of SPC56EL54L5CBFSY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC56EL54L5CBFSY is usually 5 days.
3.What payment methods are accepted for SPC56EL54L5CBFSY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC56EL54L5CBFSY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC56EL54L5CBFSY?
SPC56EL54L5CBFSY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC56EL54L5CBFSY 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 SPC56EL54L5CBFSY?
For technical support, including SPC56EL54L5CBFSY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC56EL54L5CBFSY requirements.
6.How does Aetrix verify that SPC56EL54L5CBFSY is sourced from the original manufacturer or authorized distributors?
All SPC56EL54L5CBFSY 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 SPC56EL54L5CBFSY meets industry standards.
7.What is the process for return or replacement of SPC56EL54L5CBFSY?
All SPC56EL54L5CBFSY units undergo pre-shipment inspection (PSI). If there is an issue with SPC56EL54L5CBFSY, 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 SPC56EL54L5CBFSY part is unused and in its original packaging.
Return procedure for SPC56EL54L5CBFSY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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