STMicroelectronics SPC564L54L3BCFQY
- Part No.:
- SPC564L54L3BCFQY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
SPC564L54L3BCFQY.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,306
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Product details
Overview
SPC564L54L3BCFQY 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 integrates FlexRay (10 Mbit/s), dual FlexCAN 2.0B, LINFlexD, DSPI, eTimer, FlexPWM, dual 12-bit ADCs with CTU synchronization, and Nexus Class 3+ debug - deployed in electric power steering (EPS) and brake-by-wire systems.
For engineers reviewing the SPC564L54L3BCFQY datasheet, SPC564L54L3BCFQY pinout, SPC564L54L3BCFQY application, or SPC564L54L3BCFQY equivalent, key selection criteria include LockStep vs. Decoupled Parallel core mode, FCCU/RCCU safety architecture validation, FlexRay V2.1 Rev. A timing compliance, and LFBGA257 thermal performance at 150 °C junction temperature.
Technical Context
The device implements a dual-core e200z4d CPU with Variable Length Encoding (VLE), dual-issue five-stage pipeline, and MMU - operating up to 120 MHz. Core redundancy is managed via Sphere of Replication (SoR) covering CPU, eDMA, and crossbar switch, with Fault Collection and Control Unit (FCCU) monitoring outputs from Redundancy Control and Checker Unit (RCCU).
Memory subsystem includes 1 MB on-chip Flash with ECC and RWW capability for EEPROM emulation, plus 128 KB SRAM with ECC. Safety-critical boot-time BIST covers memory (MBIST/LBIST), ADC, and Flash, while replicated junction temperature sensors and 16-region MPU enforce runtime integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture®, VLE support, 120 MHz max frequency |
| Flash Memory | 1 MB with ECC and Read-While-Write (RWW) for EEPROM emulation |
| SRAM | 128 KB on-chip SRAM with ECC, supports safety-critical data retention |
| Safety Certification | ISO 26262 ASIL D (SIL3) compliant with LockStep mode and FCCU/RCCU |
| FlexRay Interface | V2.1 Rev. A, 2 channels, 64 message buffers, up to 10 Mbit/s data rate |
| ADC | Dual 12-bit converters, 16 input channels, cross-triggered via CTU with timers/PWM |
| Operating Temperature | Junction range −40 °C to +150 °C; qualified for under-hood automotive use |
| Supply Voltage | Single 3.0–3.6 V rail; integrated voltage regulator and PMU for low-power modes |
Pinout & Package
LFBGA257 package (14 × 14 mm, 0.8 mm pitch), thermally enhanced for high-reliability automotive applications. Pin functions validated per STMicroelectronics DocID15457 Rev 12, Table 5 (LFBGA257 pin function summary).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA, VDDIO | Analog & I/O supply | Separate 3.3 V domains ensure noise isolation for ADC and digital peripherals |
| VRST, RESET_B | Reset control | Asynchronous active-low reset with glitch filtering and external watchdog window support |
| FRAY_TX0/FRAY_RX0 | FlexRay Channel 0 | Differential transmit/receive pair compliant with FlexRay physical layer V2.1 Rev. A |
| CAN0_TX/CAN0_RX | FlexCAN 0 interface | High-speed CAN 2.0B transceiver pins supporting 1 Mbps with 32 message objects |
| ET0_CH0–ET0_CH5 | eTimer Unit 0 channels | 6-channel general-purpose timer supporting input capture, output compare, and PWM generation |
| ADC0_IN0–ADC0_IN7 | ADC0 analog inputs | Eight dedicated analog input pins with programmable gain and sampling control via CTU |
| NEXUS_TDI/TDO/TCK/TMS | Nexus Class 3+ debug | Full real-time trace, non-intrusive debugging, and safety-mode-aware breakpoint handling |
Key Features
| Feature | Design Value |
|---|---|
| LockStep + Decoupled Parallel core modes | Runtime-selectable: LockStep for fault detection (ASIL D), Decoupled for peak throughput in non-safety partitions |
| Fault Collection and Control Unit (FCCU) | Centralized error reporting with configurable NMI assertion, safe state entry, and diagnostic event logging |
| Boot-time MBIST/LBIST + SW BIST for ADC/Flash | Hardware-triggered memory logic test and software-initiated peripheral self-test at startup |
| Replicated junction temperature sensor | Dual independent thermal sensors enable cross-checked die temperature monitoring for thermal shutdown decisions |
| 16-region Memory Protection Unit (MPU) | Configurable access permissions per region (read/write/execute) to isolate safety-critical and application code |
| Programmable Cross Triggering Unit (CTU) | Synchronizes ADC conversions with eTimer/FlexPWM events without CPU intervention - reduces jitter and latency |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire (BBW) |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase control under dynamic load and temperature variation. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL D motor control algorithms with LockStep core verification and FlexPWM-driven 3-phase inverter gate signals. Use Value: Sub-microsecond PWM dead-time control and synchronized ADC sampling of motor current/voltage ensure precise torque delivery and fail-safe torque reduction. |
Use Scenario: Redundant hydraulic pressure modulation and pedal feel simulation in electromechanical brake systems. IC Role / Device Role / Timing Role: Dual-core coordination of FlexRay-distributed braking commands, CAN-based vehicle network arbitration, and real-time pressure feedback via dual ADCs. Use Value: FCCU-monitored LockStep execution guarantees deterministic response to emergency stop requests within <100 ms, meeting ISO 26262 ASIL D timing requirements. |
| Air Suspension Control | Active Roll Stabilization |
Use Scenario: Closed-loop height adjustment using solenoid valves and position sensors across four corners under varying road conditions. IC Role / Device Role / Timing Role: High-resolution eTimer-based valve pulse-width control and LINFlexD communication with body domain controller. Use Value: 6-channel eTimer units provide independent, jitter-free actuation timing for each corner - enabling sub-5 mm ride height accuracy. |
Use Scenario: Real-time roll angle estimation and counter-torque generation via anti-roll bar actuators during aggressive cornering. IC Role / Device Role / Timing Role: Sensor fusion hub processing gyro/accelerometer data (via SPI/DSPI), computing roll dynamics, and driving FlexPWM-controlled hydraulic actuators. Use Value: CTU-synchronized dual ADC sampling of inertial sensor outputs eliminates phase skew, improving roll estimation fidelity by >30% versus asynchronous acquisition. |
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, 1 MB Flash, ASIL B certified (upgradable to ASIL D with software safety package) | Lacks native FlexRay PHY; relies on external transceivers - adds BOM cost and layout complexity | Preferred for cost-sensitive ASIL B applications where FlexRay is not required |
| Renesas RH850/F1K | 32-bit RXv2 core, 2 MB Flash, ASIL D certified, integrated FlexRay but no VLE instruction set | Higher Flash density enables larger safety monitor partitions; lacks SPE engine for signal processing acceleration | Selected when extended program memory and legacy RH850 toolchain compatibility outweigh SPE needs |
Compared with SPC564L54L3BCFQY, the S32K144 offers lower system-level integration for FlexRay but broader ARM ecosystem support, while the RH850/F1K provides greater Flash headroom and mature automotive qualification - yet omits the Signal Processing Engine critical for real-time motor control loop acceleration.
Availability
SPC564L54L3BCFQY is available at Aetrix Electronics and suitable for electric power steering (EPS), brake-by-wire (BBW), and air suspension control requiring stable component supply across automotive production lifecycles.
Supply support for SPC564L54L3BCFQY 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 ASIL D automotive chassis and safety applications, emphasizing hardware-enforced fault containment, redundant safety mechanisms, and seamless integration with AUTOSAR-compliant software stacks.
FAQ
What safety certifications does the SPC564L54L3BCFQY hold?
The SPC564L54L3BCFQY is certified to ISO 26262 ASIL D (SIL3) for chassis and safety-related applications. Its safety architecture includes LockStep core operation, FCCU/RCCU fault monitoring, boot-time MBIST/LBIST, and 16-region MPU - all validated per ST's safety manual UM1823 and ISO 26262-5:2018 Annex D evidence.
Does this MCU support AUTOSAR OS and MCAL drivers?
Yes - ST provides full AUTOSAR 4.2.2–4.4-compliant MCAL drivers (including CAN, FlexRay, ADC, PWM, and ICU modules) and supports AUTOSAR OS via certified third-party stacks (e.g., ETAS RTA-OS, Vector MICROSAR). The Nexus Class 3+ interface enables runtime OS-aware debugging.
What is the maximum achievable FlexRay data rate on this device?
The integrated FlexRay module supports data rates up to 10 Mbit/s per channel (V2.1 Rev. A specification), with configurable static/dynamic segments, 64 message buffers, and built-in symbol correction. Physical layer compliance requires external TJA1080A transceivers and proper PCB impedance control (110 Ω differential).
How is EEPROM emulation implemented in the on-chip flash?
EEPROM emulation uses the 1 MB Flash's RWW (Read-While-Write) capability and ECC protection. ST's SPC56ELx/SPC564Lx EEPROM Emulation Library (EEMLIB) manages wear leveling across designated sectors, supports byte-aligned writes, and guarantees atomic updates - achieving >100k write cycles with <10 ms typical write time per 32-byte page.
SPC564L54L3BCFQY 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC564L54L3BCFQY FAQ
1.How can I place an order for SPC564L54L3BCFQY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC564L54L3BCFQY 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 SPC564L54L3BCFQY reliable?
The price and inventory of SPC564L54L3BCFQY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC564L54L3BCFQY is usually 5 days.
3.What payment methods are accepted for SPC564L54L3BCFQY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC564L54L3BCFQY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC564L54L3BCFQY?
SPC564L54L3BCFQY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC564L54L3BCFQY 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 SPC564L54L3BCFQY?
For technical support, including SPC564L54L3BCFQY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC564L54L3BCFQY requirements.
6.How does Aetrix verify that SPC564L54L3BCFQY is sourced from the original manufacturer or authorized distributors?
All SPC564L54L3BCFQY 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 SPC564L54L3BCFQY meets industry standards.
7.What is the process for return or replacement of SPC564L54L3BCFQY?
All SPC564L54L3BCFQY units undergo pre-shipment inspection (PSI). If there is an issue with SPC564L54L3BCFQY, 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 SPC564L54L3BCFQY part is unused and in its original packaging.
Return procedure for SPC564L54L3BCFQY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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