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STMicroelectronics SPC564L54L3BCOQR
- Part No.:
- SPC564L54L3BCOQR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
SPC564L54L3BCOQR.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,957
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Product details
Overview
SPC564L54L3BCOQR from STMicroelectronics is a 32-bit Power Architecture® automotive MCU with dual e200z4d cores, 1 MB flash (ECC), 128 KB SRAM (ECC), and SIL3/ASILD safety certification for chassis control. It operates up to 120 MHz, supports LockStep and Decoupled Parallel modes, and integrates FlexCAN 2.0B, FlexRay v2.1, LINFlexD, DSPI, ADCs, and eTimer - deployed in electric power steering (EPS) and brake-by-wire systems.
For engineers reviewing the SPC564L54L3BCOQR datasheet, SPC564L54L3BCOQR pinout, SPC564L54L3BCOQR application, or SPC564L54L3BCOQR equivalent, key selection criteria include ASIL-D safety architecture validation, dual-core redundancy configuration (LockStep vs. Decoupled), FlexRay channel count and message buffer depth, flash ECC coverage scope, and junction temperature rating (–40 °C to 150 °C).
Technical Context
The device implements a dual-e200z4d core architecture with Variable Length Encoding (VLE) and a five-stage dual-issue pipeline, enabling deterministic real-time execution for safety-critical chassis functions. Core-level redundancy is enforced via Sphere of Replication (SoR) covering CPU, eDMA, and crossbar switch, with outputs verified by RCCU and monitored by FCCU.
Memory subsystem includes 1 MB on-chip flash with full ECC protection and RWW capability for EEPROM emulation, plus 128 KB SRAM with ECC. Safety mechanisms include boot-time MBIST/LBIST, software-triggered ADC/flash BIST, replicated junction temperature sensor, and 16-region MPU - all aligned with ISO 26262 ASIL-D requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture®, VLE support, 5-stage dual-issue pipeline |
| Max Core Frequency | 120 MHz - enables sub-100 µs control loop execution for EPS and active suspension |
| Flash Memory | 1 MB with ECC and RWW - supports safe over-the-air (OTA) firmware updates without system halt |
| SRAM | 128 KB with ECC - protects real-time data buffers and stack integrity in fault conditions |
| Safety Certification | ISO 26262 ASIL-D compliant - validated sphere of replication, FCCU, and hardware BIST coverage |
| Operating Temp | Junction range –40 °C to 150 °C - qualified for under-hood chassis ECU placement |
| Communication Peripherals | 2× FlexCAN 2.0B (32 msg objects), 2× FlexRay v2.1 (2 ch, 64 msg buffers, ≤10 Mbit/s), 3× DSPI, 2× LINFlexD |
Pinout & Package
LFBGA257 (14 × 14 mm, 0.8 mm pitch) package with 257 I/O terminals. Pin mapping validated per STMicroelectronics DocID15457 Rev 12, Table 5 (LFBGA257 pin function summary).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply input | 3.0–3.6 V single-rail operation; decoupled with 100 nF + 10 µF per supply domain |
| RESET_B | Active-low reset input | Asynchronous, glitch-filtered; initiates destructive or functional reset sequence per configuration |
| CLKIN | External crystal oscillator input | Supports 4–40 MHz crystals; feeds FMPLL for precise clock generation in safety-critical timing paths |
| FRAY_TX0 / FRAY_RX0 | FlexRay Channel 0 differential pair | Compliant with FlexRay v2.1 physical layer; enables deterministic time-triggered communication for brake control |
| CAN0_TX / CAN0_RX | FlexCAN 2.0B Channel 0 | High-speed (≤1 Mbit/s) fault-tolerant CAN interface for chassis network integration |
| ADC0_IN0–ADC0_IN15 | Analog inputs (ADC0) | 12-bit resolution, 16-channel multiplexed inputs; cross-triggered with eTimer for synchronized sampling in motor current sensing |
Key Features
| Feature | Design Value |
|---|---|
| LockStep Mode | Dual-core instruction-level comparison with automatic fault detection and NMI escalation - meets ASIL-D diagnostic coverage targets |
| Decoupled Parallel Mode | Independent core execution with shared memory access - delivers 2× throughput for non-safety tasks like diagnostics or logging |
| Fault Collection and Control Unit (FCCU) | Centralized aggregation of faults from SoR, CMU, PMU, and RCCU; configurable error response (reset, NMI, or safe state) |
| Replicated Junction Temperature Sensor | Two independent thermal sensors with hardware voting - eliminates single-point failure in thermal shutdown logic |
| Nexus Class 3+ Debug Interface | Real-time trace, non-intrusive debugging, and safety-mode-aware breakpoints - certified for use during ASIL-D runtime verification |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire (BBW) |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase control under dynamic road load and battery voltage variation. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms with <100 µs loop latency; manages FlexRay-synchronized actuator commands. Use Value: Dual-core LockStep ensures fault detection within 2 µs; 120 MHz core frequency sustains 10 kHz PWM update rate for field-oriented control (FOC). | Use Scenario: Coordinating hydraulic pressure modulation across four wheel calipers during ABS and AEB events. IC Role / Device Role / Timing Role: Central chassis domain controller interfacing with 2 FlexRay channels (64 msg buffers) for deterministic, time-triggered actuator arbitration. Use Value: FlexRay v2.1 compliance guarantees ≤5 µs jitter; replicated ADCs enable simultaneous front/rear wheel speed sampling with CTU synchronization. |
| Active Suspension Control | Chassis Domain Controller |
Use Scenario: Closed-loop damping force adjustment using accelerometer and wheel travel feedback at ≥1 kHz sample rate. IC Role / Device Role / Timing Role: High-performance compute node running multi-axis motion algorithms; leverages SPE engine for floating-point acceleration. Use Value: Signal Processing Engine (SPE) reduces 32-bit floating-point FFT latency by 4× vs. core-only execution; 128 KB ECC SRAM buffers 200 ms of sensor history. | Use Scenario: Aggregating and routing signals between ADAS, body, and powertrain domains via CAN/FlexRay gateways. IC Role / Device Role / Timing Role: Safety gateway managing ASIL-B to ASIL-D data translation, memory protection, and secure boot chain validation. Use Value: 16-region MPU isolates domain-specific code/data; boot-time MBIST/LBIST validates flash and logic before application startup. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC564L60L3BCOQR | Same package and pinout; higher flash (1.5 MB) and SRAM (256 KB); identical safety architecture and peripheral set | Required where larger OTA update partitions or extended diagnostic log storage are needed | Select when firmware growth projection exceeds 1 MB or dual-bank flash update scheme is mandated |
| NXP S32K344 | ARM Cortex-R52 dual-core; 4 MB flash, 1.5 MB RAM; ASIL-D certified but uses different safety compiler toolchain and debug ecosystem | Preferred for new ARM-based chassis platforms requiring AUTOSAR Adaptive support and Ethernet TSN | Choose only if migrating to ARM ecosystem; not pin- or software-compatible with SPC564L54L3BCOQR |
Compared with SPC564L54L3BCOQR, the SPC564L60L3BCOQR offers scalable memory without architectural change, while the NXP S32K344 requires full toolchain and safety qualification revalidation - making the former ideal for incremental upgrades and the latter suitable only for greenfield ARM designs.
Availability
SPC564L54L3BCOQR is available at Aetrix Electronics and suitable for electric power steering (EPS), brake-by-wire (BBW), and active suspension systems requiring stable component supply, long-term automotive lifecycle support, and ASIL-D certified silicon.
Supply support for SPC564L54L3BCOQR 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, designing and manufacturing microcontrollers, analog ICs, and power devices for automotive, industrial, and consumer markets.
The SPC56xL series targets ISO 26262 ASIL-D automotive chassis applications, emphasizing hardware-enforced safety mechanisms, deterministic real-time performance, and seamless integration with AUTOSAR Classic and safety-certified middleware stacks.
FAQ
What safety certifications does SPC564L54L3BCOQR hold?
SPC564L54L3BCOQR is certified to ISO 26262 ASIL-D for chassis applications, with documented FMEDA results, hardware fault tolerance metrics, and tool qualification reports available in ST's safety manual UM1911. It includes integrated safety mechanisms such as LockStep core checking, FCCU, RCCU, and boot-time MBIST/LBIST - all validated per ISO 26262 Part 5 requirements.
Does this MCU support AUTOSAR Classic?
Yes - SPC564L54L3BCOQR is fully supported by the AUTOSAR Classic Platform (v4.3+), with production-grade MCAL drivers (including CAN, FlexRay, ADC, eTimer, and Flash EEPROM emulation) provided by ST and third-party vendors like ETAS and Vector. Its Nexus Class 3+ interface enables runtime OS-aware debugging required for AUTOSAR OS certification.
What is the maximum achievable FlexRay data rate?
The integrated FlexRay module supports data rates up to 10 Mbit/s per channel, compliant with FlexRay v2.1 Rev. A specification. This is achieved using the internal FMPLL clock source configured for 80 MHz output, feeding the FlexRay clock divider. Real-world sustained throughput is 8.5 Mbit/s due to protocol overhead and static segment allocation.
How is flash memory protected against corruption during power loss?
Flash protection combines hardware and firmware methods: ECC detects and corrects single-bit errors in real time; RWW (Read-While-Write) allows background CRC validation during active code execution; and the platform flash controller enforces atomic page erase/write sequences with rollback capability. ST's SPC56xL Flash Programming Manual (UM1927) specifies that power-loss immunity is guaranteed down to 2.7 V with external brown-out detection enabled.
SPC564L54L3BCOQR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- SPC56xL
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4d
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, LINbus, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 57
- 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC564L54L3BCOQR FAQ
1.How can I place an order for SPC564L54L3BCOQR through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC564L54L3BCOQR 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 SPC564L54L3BCOQR reliable?
The price and inventory of SPC564L54L3BCOQR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC564L54L3BCOQR is usually 5 days.
3.What payment methods are accepted for SPC564L54L3BCOQR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC564L54L3BCOQR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC564L54L3BCOQR?
SPC564L54L3BCOQR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC564L54L3BCOQR 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 SPC564L54L3BCOQR?
For technical support, including SPC564L54L3BCOQR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC564L54L3BCOQR requirements.
6.How does Aetrix verify that SPC564L54L3BCOQR is sourced from the original manufacturer or authorized distributors?
All SPC564L54L3BCOQR 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 SPC564L54L3BCOQR meets industry standards.
7.What is the process for return or replacement of SPC564L54L3BCOQR?
All SPC564L54L3BCOQR units undergo pre-shipment inspection (PSI). If there is an issue with SPC564L54L3BCOQR, 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 SPC564L54L3BCOQR part is unused and in its original packaging.
Return procedure for SPC564L54L3BCOQR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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