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STMicroelectronics SPC564L54L3CBOQY
- Part No.:
- SPC564L54L3CBOQY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
SPC564L54L3CBOQY.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,770
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Product details
Overview
SPC564L54L3CBOQY from STMicroelectronics is a 32-bit Power Architecture® automotive microcontroller with dual e200z4d cores, 1 MB Flash (ECC), 128 KB SRAM (ECC), and SIL3/ASILD safety certification for chassis control. It integrates FlexRay (2×10 Mbit/s), dual FlexCAN 2.0B, 3×DSPI, 2×LINFlexD, 2×12-bit ADCs (16-channel), and eTimer/FlexPWM peripherals. Used in electric power steering (EPS) and brake-by-wire systems requiring lockstep fault tolerance.
For engineers reviewing the SPC564L54L3CBOQY datasheet, SPC564L54L3CBOQY pinout, SPC564L54L3CBOQY application, or SPC564L54L3CBOQY equivalent, key selection criteria include ASIL-D safety architecture validation, dual-core lockstep timing alignment, FlexRay V2.1 Rev. A compliance, on-chip RWW EEPROM emulation, and -40 °C to 150 °C junction temperature operation.
Technical Context
The device implements a Sphere of Replication (SoR) covering CPU cores, eDMA, and crossbar switch, with hardware-triggered MBIST/LBIST at boot and software-triggered ADC/Flash BIST. Fault Collection and Control Unit (FCCU) receives error signals from Redundancy Control and Checker Unit (RCCU) outputs and manages NMI assertion and safe state transitions.
It supports Decoupled Parallel mode for non-safety-critical high-throughput tasks while maintaining LockStep mode for safety-critical functions. The Nexus Class 3+ debug interface enables real-time trace and non-intrusive monitoring of both cores, with dedicated EVTI inputs for external event synchronization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture® v2.03, VLE support, 5-stage pipeline with dual-issue capability |
| Max Core Frequency | 120 MHz - enables deterministic execution of ASIL-D control loops within <100 µs latency budget |
| Memory | 1 MB Flash with ECC and RWW; 128 KB SRAM with ECC - supports safe firmware updates without interrupting safety channels |
| Safety Certification | SIL3/ASIL-D per ISO 26262:2018 - validated via FCCU, RCCU, SoR, and boot-time MBIST/LBIST |
| FlexRay Interface | V2.1 Rev. A, 2 channels, 64 message buffers, up to 10 Mbit/s - meets automotive x-by-wire timing and redundancy requirements |
| ADC System | Two independent 12-bit ADCs, 16 input channels, CTU-synchronized sampling - enables simultaneous torque/speed/current sensing in EPS |
| Operating Temperature | Junction range -40 °C to 150 °C - qualified for under-hood chassis control placement |
| Supply Voltage | Single 3.0–3.6 V rail - simplifies power design with integrated PMU and voltage regulator |
Pinout & Package
LFBGA257 package (14 × 14 mm, 0.8 mm pitch), RoHS-compliant ECOPACK®. Pinout defined per STMicroelectronics DocID15457 Rev 12, Table 5 (LFBGA257 pin function summary).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply input | 3.3 V core and I/O rail; requires local 100 nF + 10 µF decoupling per ST layout guidelines |
| VRN / VRP | Internal voltage regulator reference | Connects to external 2.2 µF ceramic capacitor; regulates internal 1.2 V core supply |
| RESET_B | Active-low reset input | Asynchronous, glitch-filtered; initiates destructive or functional reset sequence per configuration |
| CLKIN | External crystal oscillator input | Accepts 4–40 MHz crystal; feeds FMPLL for system clock generation with ±50 ppm stability |
| FLEXRAY_TX0 / RX0 | FlexRay channel 0 differential pair | LVDS-compatible; requires 100 Ω termination across TX/RX lines at node level |
| CAN0_TX / CAN0_RX | FlexCAN 2.0B channel 0 | High-speed CAN physical layer interface; supports bit rates up to 1 Mbit/s with loopback self-test |
| ET0_CLKA / ET0_CLKB | eTimer unit 0 clock inputs | Differential clock pair for precise PWM edge timing; jitter <1 ns RMS enables <100 ps duty-cycle resolution |
Key Features
| Feature | Design Value |
|---|---|
| LockStep Core Pair | Hardware-enforced instruction-level comparison with automatic core shutdown on mismatch - eliminates single-point failure in safety-critical paths |
| Replicated eDMA Controller | Two independent 16-channel eDMA units synchronized via SoR - enables concurrent sensor data acquisition and actuator command dispatch without CPU intervention |
| Programmable Cross Triggering Unit (CTU) | Hardware link between eTimer, FlexPWM, and ADC modules - ensures sub-microsecond phase-aligned sampling and PWM update for motor control |
| On-chip CAN/UART Bootstrap Loader | ROM-resident bootloader supporting field firmware update via CAN or UART without external programmer - reduces service cost and downtime |
| 16-Region Memory Protection Unit (MPU) | Configurable access permissions per region (read/write/execute) for Flash, SRAM, and peripheral space - enforces ASIL-D partitioning between safety and non-safety software |
| Replicated Junction Temperature Sensor | Dual independent sensors with ±2.5 °C accuracy across -40 °C to 150 °C - provides redundant thermal monitoring for overtemperature shutdown in EPS actuators |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire (BBW) |
|---|---|
|
Use Scenario: Real-time torque assist calculation and motor current control in column-assist and rack-assist EPS systems. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms with lockstep core verification and FlexRay-synchronized vehicle dynamics data. Use Value: Enables <50 µs end-to-end control loop latency with hardware-checked computation integrity, meeting ISO 26262 ASIL-D timing and fault coverage requirements. |
Use Scenario: Redundant hydraulic pressure modulation and wheel-speed-based brake force distribution in electro-hydraulic brake systems. IC Role / Device Role / Timing Role: Dual-channel safety controller managing two independent brake circuits via FlexCAN and FlexRay, with replicated ADC sampling of pressure sensors. Use Value: Achieves >99% diagnostic coverage for sensor/actuator faults using FCCU-managed error injection and response logging, certified for ASIL-D brake control. |
| Active Suspension Control | Chassis Domain Controller |
|
Use Scenario: Adaptive damping control using accelerometer and wheel-speed inputs to adjust shock absorber stiffness in real time. IC Role / Device Role / Timing Role: High-performance compute node running multi-axis Kalman filters and PID controllers, leveraging Decoupled Parallel mode for non-safety tasks. Use Value: Delivers 120 MHz deterministic processing for 1 kHz control cycles while maintaining lockstep monitoring of critical safety watchdogs and power rails. |
Use Scenario: Centralized chassis coordination integrating EPS, BBW, and suspension data for vehicle stability control (VSC) and rollover mitigation. IC Role / Device Role / Timing Role: Domain master processor aggregating CAN/FlexRay data, executing fusion algorithms, and issuing coordinated actuator commands. Use Value: Supports 32-message-object FlexCAN and 64-buffer FlexRay simultaneously - enabling full chassis bus bandwidth utilization without packet loss at 10 Mbit/s. |
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 S32K144 | ARM Cortex-M4F core, 112 MHz max, 1 MB Flash, ASIL-B certified (upgradable to ASIL-D with external safety monitor) | Lacks native FlexRay; relies on external transceiver and software stack for time-triggered communication | Preferred for cost-sensitive ASIL-B chassis nodes where FlexRay is not required; lower gate count but higher software safety validation burden |
| Renesas RH850/P1M | 32-bit RH850 core, 120 MHz, 2 MB Flash, ASIL-D certified, includes G3M timer and CAN FD support | No integrated FlexRay; uses separate RH850-F1L companion chip for FlexRay functionality | Selected when CAN FD bandwidth >1 Mbit/s is mandatory and FlexRay is handled externally; higher total BOM cost but broader CAN ecosystem support |
Compared with SPC564L54L3CBOQY, the S32K144 offers lower power and ARM toolchain familiarity but requires external safety mechanisms for ASIL-D, while the RH850/P1M delivers higher Flash density and CAN FD readiness but adds system complexity through discrete FlexRay implementation.
Availability
SPC564L54L3CBOQY is available at Aetrix Electronics and suitable for electric power steering (EPS), brake-by-wire (BBW), and active suspension systems requiring stable component supply across automotive production lifecycles.
Supply support for SPC564L54L3CBOQY 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 silicon solutions for automotive, industrial, and consumer markets since 1987.
The SPC56xL series targets ISO 26262 ASIL-D automotive chassis applications, emphasizing hardware-redundant safety architecture, deterministic real-time performance, and integration of FlexRay/CAN/FlexPWM for x-by-wire systems.
FAQ
What safety certifications does SPC564L54L3CBOQY hold?
SPC564L54L3CBOQY is certified to SIL3 per IEC 61508 and ASIL-D per ISO 26262:2018 for chassis applications. Certification covers the entire safety mechanism chain - including LockStep cores, FCCU, RCCU, SoR, MBIST/LBIST, and replicated temperature sensing - with documentation provided in ST's Safety Manual UM1823.
Does this MCU support flash reprogramming in-circuit?
Yes. SPC564L54L3CBOQY supports in-application programming (IAP) via its on-chip CAN/UART bootstrap loader. It enables RWW (Read-While-Write) operation on Flash memory, allowing safety-critical code to execute from one bank while updating firmware in another - verified in ST Application Note AN4417.
What is the role of the Cross Triggering Unit (CTU)?
The CTU is a hardware synchronization module that links eTimer, FlexPWM, and ADC events without CPU intervention. It triggers ADC conversions on PWM edge transitions and aligns timer captures with analog sampling - essential for motor control phase-current measurement with <100 ns timing correlation, as specified in Section 1.5.34 of DocID15457.
How is FlexRay compliance implemented in hardware?
SPC564L54L3CBOQY integrates a fully compliant FlexRay V2.1 Rev. A controller with dual channels, 64 message buffers, dynamic/static slot scheduling, and built-in CRC-11/22 calculation. Hardware handles clock synchronization, startup coordination, and fault confinement - eliminating need for external protocol accelerators per Section 1.5.27 of the datasheet.
SPC564L54L3CBOQY 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 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 ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC564L54L3CBOQY FAQ
1.How can I place an order for SPC564L54L3CBOQY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC564L54L3CBOQY 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 SPC564L54L3CBOQY reliable?
The price and inventory of SPC564L54L3CBOQY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC564L54L3CBOQY is usually 5 days.
3.What payment methods are accepted for SPC564L54L3CBOQY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC564L54L3CBOQY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC564L54L3CBOQY?
SPC564L54L3CBOQY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC564L54L3CBOQY 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 SPC564L54L3CBOQY?
For technical support, including SPC564L54L3CBOQY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC564L54L3CBOQY requirements.
6.How does Aetrix verify that SPC564L54L3CBOQY is sourced from the original manufacturer or authorized distributors?
All SPC564L54L3CBOQY 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 SPC564L54L3CBOQY meets industry standards.
7.What is the process for return or replacement of SPC564L54L3CBOQY?
All SPC564L54L3CBOQY units undergo pre-shipment inspection (PSI). If there is an issue with SPC564L54L3CBOQY, 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 SPC564L54L3CBOQY part is unused and in its original packaging.
Return procedure for SPC564L54L3CBOQY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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