STMicroelectronics SPC564L54L3BCOQY
- Part No.:
- SPC564L54L3BCOQY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
SPC564L54L3BCOQY.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,754
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Product details
Overview
SPC564L54L3BCOQY 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 and safety-critical systems. It integrates FlexRay (2×10 Mbit/s), dual FlexCAN 2.0B, 3×DSPI, 2×LINFlexD, 2×12-bit ADCs, and hardware BIST for memory and logic - deployed in electric power steering (EPS) and brake-by-wire control units.
For engineers reviewing the SPC564L54L3BCOQY datasheet, SPC564L54L3BCOQY pinout, SPC564L54L3BCOQY application, or SPC564L54L3BCOQY equivalent, key selection criteria include LockStep vs. Decoupled Parallel core mode, FCCU/RCCU fault handling architecture, 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 enforced via Sphere of Replication (SoR) covering CPU, eDMA, and crossbar switch, with outputs verified by RCCU and faults managed by FCCU.
Memory subsystem includes 1 MB on-chip flash with ECC 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 to ISO 26262 ASIL D requirements.
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, RWW capability for EEPROM emulation, 100k write/erase cycles |
| SRAM | 128 KB on-chip SRAM with ECC, error detection and correction enabled |
| Safety Certification | ISO 26262 ASIL D compliant, SIL3 certified, LockStep + Decoupled Parallel modes |
| FlexRay Interface | V2.1 Rev. A, 2 channels, 64 message buffers, data rates up to 10 Mbit/s |
| ADC | Two independent 12-bit ADCs, 16 input channels, CTU-synchronized sampling |
| Operating Temperature | Junction range –40 °C to 150 °C; ambient –40 °C to 125 °C |
| Supply Voltage | Single 3.0 V to 3.6 V rail; integrated voltage regulator with PMU control |
Pinout & Package
LFBGA257 package (14 × 14 mm, 0.8 mm pitch), thermally enhanced for automotive under-hood deployment. Pinout 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 core power rail; requires local 100 nF + 1 µF decoupling per ST spec |
| VDD_IO | I/O supply input | Same voltage domain as VDD_MAIN; powers all GPIO, peripheral I/O buffers |
| RESET_B | Active-low reset input | Asynchronous, glitch-filtered reset; initiates destructive or functional reset sequence |
| OSC_IN / OSC_OUT | Crystal oscillator interface | Supports 4–20 MHz external crystal; internal RC oscillator backup (16 MHz ±2%) |
| FRAY_TX0 / FRAY_RX0 | FlexRay Channel 0 differential pair | Compliant with FlexRay physical layer V2.1 Rev. A; requires 100 Ω termination |
| CAN0_TX / CAN0_RX | FlexCAN 2.0B Channel 0 | High-speed CAN transceiver interface; supports bit rates up to 1 Mbit/s |
| ET0_CH0–ET0_CH5 | eTimer Unit 0 channels | 6-channel general-purpose timer; supports input capture, output compare, PWM generation |
| ADC0_IN0–ADC0_IN15 | ADC0 analog inputs | 16 single-ended or 8 differential inputs; routed via SIUL multiplexer with CTU sync |
Key Features
| Feature | Design Value |
|---|---|
| LockStep Core Mode | Dual e200z4d cores execute identical instructions with cycle-accurate comparison; mismatch triggers NMI and FCCU fault escalation |
| Fault Collection and Control Unit (FCCU) | Centralized fault manager with configurable error response (reset, NMI, safe state), 32 fault sources, non-volatile fault log |
| Replicated Junction Temperature Sensor | Two independent on-die sensors with ±2.5 °C accuracy; used for thermal derating and safety shutdown |
| Nexus Class 3+ Debug Interface | Real-time trace, multi-core debug, instruction/data watchpoints, and run-control via dedicated 20-pin port |
| Boot-Time Built-In Self-Test (BIST) | Hardware-triggered MBIST (memory) and LBIST (logic); completes within 1.2 ms at 120 MHz |
| Programmable Cross Triggering Unit (CTU) | Synchronizes ADC conversions with eTimer/FlexPWM events; eliminates software latency in closed-loop control |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire (BBW) |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase current control in column-assist EPS systems. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL D motor control algorithms with dual-core LockStep validation and FlexRay-synchronized actuator feedback. Use Value: Enables <10 µs interrupt latency for field-oriented control (FOC), deterministic execution via SoR replication, and fail-safe torque reduction on fault detection. |
Use Scenario: Redundant hydraulic pressure modulation and wheel-speed-based intervention in electro-hydraulic brake systems. IC Role / Device Role / Timing Role: Dual-domain controller managing primary braking via FlexCAN and secondary safety path via FlexRay, with FCCU-monitored fault arbitration. Use Value: Achieves <50 ms end-to-end fault reaction time, supports dual-channel ADC sampling for pressure sensor redundancy, and meets ISO 26262 ASIL D diagnostic coverage targets. |
| Active Suspension Control | Chassis Domain Controller |
Use Scenario: High-frequency road profile estimation and semi-active damper actuation using accelerometer and wheel-speed inputs. IC Role / Device Role / Timing Role: Real-time signal processor running adaptive filtering and PID control loops; leverages SPE engine and CTU-synchronized ADCs. Use Value: Delivers sub-millisecond loop closure for 100 Hz suspension dynamics, uses RWW flash for over-the-air damping parameter updates without system stop. |
Use Scenario: Centralized vehicle dynamics coordination across EPS, BBW, and ADAS sensors in Zonal E/E architectures. IC Role / Device Role / Timing Role: Safety gateway aggregating FlexRay, CAN FD (via LINFlexD bridging), and DSPI-sourced sensor data with time-stamped integrity checks. Use Value: Provides hardware timestamping via STM/PIT modules, CRC-protected inter-domain messaging, and configurable MPU isolation between functional clusters. |
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, 1 MB flash, ASIL B certified (upgradable to ASIL D with SW) | Lacks native FlexRay PHY; relies on external transceivers and software protocol stack | Preferred for cost-sensitive ASIL B applications where FlexRay is not required; lower gate count but higher software safety qualification burden. |
| Renesas RH850/F1K | 32-bit RXv2 core, 120 MHz, 2 MB flash, ASIL D certified, includes HSM for secure boot | No integrated FlexRay module; supports CAN FD and Ethernet AVB instead | Better suited for high-security gateway roles requiring HSM and Ethernet; FlexRay must be added externally with timing overhead. |
Compared with SPC564L54L3BCOQY, the S32K144 offers lower BOM cost but requires external FlexRay transceivers and additional safety software layers, while the RH850/F1K provides stronger security features but lacks on-die FlexRay PHY - making SPC564L54L3BCOQY optimal for FlexRay-native chassis control where hardware-level ASIL D compliance and minimal external components are critical.
Availability
SPC564L54L3BCOQY 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-compliant sourcing.
Supply support for SPC564L54L3BCOQY 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, specializing in automotive, industrial, and power solutions with vertical manufacturing capabilities and ISO/TS 16949-certified processes.
The SPC56xL series is ST's dedicated automotive MCU platform targeting ISO 26262 ASIL D chassis and safety applications - designed to replace discrete safety monitoring circuits with integrated LockStep cores, FCCU, and hardware BIST for functional safety compliance.
FAQ
What safety certifications does SPC564L54L3BCOQY hold?
SPC564L54L3BCOQY is certified to ISO 26262 ASIL D and IEC 61508 SIL3 for automotive chassis and safety applications. Certification covers hardware fault tolerance (LockStep, FCCU, RCCU), diagnostic coverage (MBIST/LBIST, ADC/flash BIST), and safety manual documentation per ST's SPC56xL Functional Safety Package.
Does SPC564L54L3BCOQY support over-the-air (OTA) firmware updates?
Yes - its 1 MB flash with RWW (Read-While-Write) capability enables seamless OTA updates: one bank executes while the other is reprogrammed. The built-in CAN/UART bootstrap loader supports authenticated firmware loading via FlexCAN or LINFlexD, with CRC-verified image integrity checks before activation.
What is the role of the Cross Triggering Unit (CTU) in motor control applications?
The CTU synchronizes ADC sampling with eTimer or FlexPWM events - for example, triggering ADC conversion precisely at motor current zero-crossing detected by eTimer. This eliminates software-induced jitter, enabling <1 µs timing precision for field-oriented control loops and improving torque ripple suppression by up to 40% in EPS implementations.
How does the FlexRay interface differ between SPC564L54L3BCOQY and earlier SPC56EL variants?
SPC564L54L3BCOQY implements FlexRay V2.1 Rev. A with full 2-channel support, 64 message buffers, and deterministic 10 Mbit/s operation - whereas SPC56EL60x only supports V2.1 Rev. 0 with reduced buffer depth and no hardware CRC offload. This enables stricter time-triggered scheduling in brake-by-wire networks with guaranteed slot latency.
SPC564L54L3BCOQY 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:
SPC564L54L3BCOQY FAQ
1.How can I place an order for SPC564L54L3BCOQY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC564L54L3BCOQY 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 SPC564L54L3BCOQY reliable?
The price and inventory of SPC564L54L3BCOQY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC564L54L3BCOQY is usually 5 days.
3.What payment methods are accepted for SPC564L54L3BCOQY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC564L54L3BCOQY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC564L54L3BCOQY?
SPC564L54L3BCOQY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC564L54L3BCOQY 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 SPC564L54L3BCOQY?
For technical support, including SPC564L54L3BCOQY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC564L54L3BCOQY requirements.
6.How does Aetrix verify that SPC564L54L3BCOQY is sourced from the original manufacturer or authorized distributors?
All SPC564L54L3BCOQY 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 SPC564L54L3BCOQY meets industry standards.
7.What is the process for return or replacement of SPC564L54L3BCOQY?
All SPC564L54L3BCOQY units undergo pre-shipment inspection (PSI). If there is an issue with SPC564L54L3BCOQY, 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 SPC564L54L3BCOQY part is unused and in its original packaging.
Return procedure for SPC564L54L3BCOQY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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