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STMicroelectronics SPC56AP54L3BEFBR
- Part No.:
- SPC56AP54L3BEFBR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
SPC56AP54L3BEFBR.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,273
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Product details
Overview
SPC56AP54L3BEFBR from STMicroelectronics is a 32-bit Power Architecture® e200z0h-based automotive MCU with 64 MHz CPU, 768 KB Flash (including 64 KB EEPROM emulation), 80 KB SRAM with ECC, AEC-Q100 qualification, and integrated FlexCAN, FlexRay, LINFlex, DSPI, and 10-bit ADC for chassis/safety control systems.
For engineers reviewing the SPC56AP54L3BEFBR datasheet, SPC56AP54L3BEFBR pinout, SPC56AP54L3BEFBR application, or SPC56AP54L3BEFBR equivalent, key selection criteria include dual-core safety architecture, FCCU fault collection, Nexus® L2+ debug interface, -40 to 125 °C operation, and LQFP100 package compatibility with automotive ECU designs requiring ISO 26262 ASIL-B support.
Technical Context
The SPC56AP54L3BEFBR implements a single-issue e200z0h core compliant with Power Architecture® embedded category and supports Variable Length Encoding (VLE) for code density optimization. Its memory subsystem includes ECC-protected 768 KB Flash and 80 KB SRAM, with dedicated erase/program controller and data flash emulation capability.
Fail-safe operation is enforced via Safety Port (FlexCAN-based), SWT with pseudo-random servicing sequence, non-maskable interrupt support, Fault Collection and Control Unit (FCCU), and register protection scheme. The SoC integrates dual INTC controllers, 16-channel eDMA, and cross-triggering unit (CTU) for synchronized analog-digital event handling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | e200z0h, 64 MHz, single-issue, Power Architecture® embedded category with VLE support |
| Flash Memory | 768 KB on-chip code Flash + 64 KB EEPROM emulation area, all with ECC and dedicated controller |
| SRAM | 80 KB on-chip SRAM with full ECC protection for safety-critical data storage |
| ADC | 10-bit SAR ADC with 27 input channels, <1 µs conversion time, programmable CTU, and 4 analog watchdogs |
| Communication Interfaces | 2 FlexCAN 2.0B (32 MB), 1 Safety Port (FlexCAN-derived), 1 FlexRay v2.1 (64 MB, up to 10 Mbit/s), 5 DSPI, 2 LINFlex |
| Safety Features | AEC-Q100 qualified, FCCU, SWT with pseudo-random sequence, Safety Port, ECC on Flash/SRAM, register protection |
| Package & Temp Range | LQFP100 (14 × 14 mm), ambient operating range: -40 to 125 °C |
Pinout & Package
LQFP100 package (14 × 14 mm, 0.5 mm pitch), RoHS-compliant ECOPACK®, rated for -40 to 125 °C ambient operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDIO | Power supply inputs | Dedicated 3.3 V or 5 V domains for core, analog, and I/O; independent ADC supply path enables noise isolation |
| VSS, VSSA, VSSIO | Ground reference terminals | Separate ground planes for digital core, analog subsystem, and I/O reduce coupling noise in mixed-signal operation |
| RESET | Asynchronous reset input | Active-low, Schmitt-triggered, supports external reset supervision and brown-out detection sequences |
| OSC_IN / OSC_OUT | Main crystal oscillator interface | Supports 4–20 MHz external crystal; internal RC oscillator (16 MHz) provides fail-safe clock source |
| NEXUS_TDI / TDO / TMS / TCK | Nexus® L2+ debug interface | Enables real-time trace, non-intrusive debugging, and safety-critical firmware validation per ISO 26262 |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 differential pair | Compliant with ISO 11898-1; supports bit rates up to 1 Mbit/s; integrated bus-off recovery and error counters |
| FRAY_CH0_A / FRAY_CH0_B | FlexRay channel 0 differential bus | Supports dual- or single-channel topology; 64-message buffer RAM; configurable cycle timing for deterministic networking |
Key Features
| Feature | Design Value |
|---|---|
| Fault Collection and Control Unit (FCCU) | Centralized hardware module that aggregates, prioritizes, and reports faults across CPU, memory, peripherals, and clocks for ASIL-B diagnostics |
| Safety Port (FlexCAN-based) | Dedicated FlexCAN instance configured for safety-critical communication; isolates safety messages from standard CAN traffic |
| Software Watchdog Timer (SWT) | Configurable timeout with pseudo-random service sequence prevents deterministic failure masking and supports lockstep verification |
| Cross Triggering Unit (CTU) | Hardware synchronization engine enabling precise coordination between ADC sampling, PWM updates, and timer events without CPU intervention |
| On-chip Voltage Regulator (VREG) | Integrated 1.2 V core regulator with monitoring circuitry; eliminates need for external DC-DC, reducing BOM count and board space |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire Control Unit |
|---|---|
Use Scenario: Real-time torque assist calculation, motor phase current sensing, and fail-safe torque limitation in 12 V/48 V hybrid EPS systems. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-C software partition; manages eTimer-based PWM generation, ADC-sampled current feedback, and FlexRay-synchronized actuator commands. Use Value: FCCU-monitored execution ensures diagnostic coverage >90% for torque path; Safety Port delivers certified fault messages to vehicle network within ≤2 ms latency. |
Use Scenario: Closed-loop hydraulic pressure control, pedal feel simulation, and redundancy arbitration in electro-hydraulic brake modules. IC Role / Device Role / Timing Role: Dual-core safety monitor coordinating primary control (e200z0h) and checker core; uses CTU to align ADC sampling with solenoid driver timing. Use Value: ECC-protected 80 KB SRAM guarantees integrity of pressure lookup tables; dual FlexCAN interfaces enable redundant CAN FD communication paths. |
| Active Suspension Controller | Chassis Domain Controller |
Use Scenario: High-frequency sensor fusion (accelerometer, position, wheel speed) and real-time skyhook algorithm execution for semi-active dampers. IC Role / Device Role / Timing Role: Deterministic real-time processor with 10-bit ADC oversampling (27 channels), eTimer quadrature decode for suspension travel, and FlexRay backbone interface. Use Value: <1 µs ADC conversion enables 100 kHz sampling for vibration suppression; FlexRay 10 Mbit/s supports synchronized actuator updates across 4 corners. |
Use Scenario: Centralized chassis gateway aggregating CAN, LIN, and FlexRay traffic while performing cross-domain safety checks and OTA update orchestration. IC Role / Device Role / Timing Role: Chassis domain master managing LINFlex slave nodes (valve actuators), DSPI-connected sensors, and FlexCAN/FlexRay bridging with message filtering. Use Value: 5 DSPI modules support concurrent SPI sensor reads (IMU, pressure, temp); Safety Port forwards critical fault alerts to ADAS domain without software stack dependency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive chassis microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144 | ARM Cortex-M4F core, 112 MHz, 512 KB Flash, no FlexRay, single CAN FD, AEC-Q100 Grade 1 (-40 to 125 °C) | Targeted at entry-level chassis control; lacks FlexRay and dual CAN required for high-integrity brake/EPS systems | Select when FlexRay is not mandated and cost-sensitive ASIL-B designs prioritize ARM ecosystem tooling. |
| Renesas RH850/P1M | 32-bit RXv2 core, 120 MHz, 1.5 MB Flash, 256 KB RAM, 3 CAN FD, no FlexRay, AEC-Q100 Grade 1 | Higher performance and memory; supports complex motion control but omits FlexRay needed for time-triggered chassis networks | Prefer for compute-intensive active suspension or steer-by-wire where FlexRay is replaced by Ethernet or CAN FD with time-sync. |
Compared with NXP S32K144 and Renesas RH850/P1M, the SPC56AP54L3BEFBR uniquely combines FlexRay v2.1, dual FlexCAN, and FCCU-based safety architecture in an AEC-Q100 Grade 0 part - making it the only option qualified for ASIL-B chassis systems requiring deterministic time-triggered networking and hardware fault containment.
Availability
SPC56AP54L3BEFBR is available at Aetrix Electronics and suitable for electric power steering (EPS), brake-by-wire, active suspension, and chassis domain controller applications requiring stable component supply across automotive production lifecycles.
Supply support for SPC56AP54L3BEFBR 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, delivering automotive-grade MCUs, power devices, and sensors with vertical manufacturing and functional safety expertise.
The SPC56xP series targets automotive chassis and safety applications, designed specifically to meet ISO 26262 ASIL-B requirements through integrated hardware safety mechanisms, ECC memory, and certified development processes.
FAQ
What is the maximum ambient temperature rating for SPC56AP54L3BEFBR?
The SPC56AP54L3BEFBR is rated for -40 to 125 °C ambient operation per its AEC-Q100 Grade 0 qualification. This rating applies to the full LQFP100 package variant and is validated under JEDEC JESD22-A108 conditions with thermal derating applied above 105 °C junction temperature.
Does SPC56AP54L3BEFBR support boot from external serial flash?
No - the SPC56AP54L3BEFBR implements an on-chip CAN/UART bootstrap loader with Boot Assist Module (BAM), but does not support direct boot from external SPI or QSPI flash. Code execution must originate from internal Flash memory; external storage is accessible only via DSPI or FlexCAN during runtime.
How many message buffers does the FlexRay module support?
The FlexRay module supports 64 message buffers, configurable across static and dynamic segments. Each buffer holds up to 254 bytes and supports CRC-11/CRC-24 checksums, timestamping, and cycle-specific transmission scheduling per FlexRay v2.1 specification.
Is Nexus® L2+ interface enabled by default after reset?
Yes - the Nexus® L2+ debug interface is active immediately after power-on reset and remains enabled unless explicitly disabled via the Nexus Configuration Register (NCR). It supports real-time trace, instruction-level breakpoints, and safety-critical firmware validation without requiring debug session initiation.
SPC56AP54L3BEFBR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- SPC56
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- e200z0h
- Core Size:
- 32-Bit Single-Core
- Speed:
- 64MHz
- Connectivity:
- CANbus, LINbus, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 49
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.6V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC56AP54L3BEFBR FAQ
1.How can I place an order for SPC56AP54L3BEFBR through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC56AP54L3BEFBR 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 SPC56AP54L3BEFBR reliable?
The price and inventory of SPC56AP54L3BEFBR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC56AP54L3BEFBR is usually 5 days.
3.What payment methods are accepted for SPC56AP54L3BEFBR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC56AP54L3BEFBR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC56AP54L3BEFBR?
SPC56AP54L3BEFBR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC56AP54L3BEFBR 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 SPC56AP54L3BEFBR?
For technical support, including SPC56AP54L3BEFBR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC56AP54L3BEFBR requirements.
6.How does Aetrix verify that SPC56AP54L3BEFBR is sourced from the original manufacturer or authorized distributors?
All SPC56AP54L3BEFBR 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 SPC56AP54L3BEFBR meets industry standards.
7.What is the process for return or replacement of SPC56AP54L3BEFBR?
All SPC56AP54L3BEFBR units undergo pre-shipment inspection (PSI). If there is an issue with SPC56AP54L3BEFBR, 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 SPC56AP54L3BEFBR part is unused and in its original packaging.
Return procedure for SPC56AP54L3BEFBR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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