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STMicroelectronics SPC564A70L7CFBY
- Part No.:
- SPC564A70L7CFBY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
SPC564A70L7CFBY.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,552
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Product details
Overview
SPC564A70L7CFBY from STMicroelectronics is a 32-bit Power Architecture® e200z4-based automotive MCU designed for powertrain control, featuring a 150 MHz core, 2 MB on-chip flash with ECC and read-while-write, 128 KB SRAM (32 KB standby + ECC), and integrated FlexRay v2.1 (10 Mbit/s) and three FlexCAN modules (64 message buffers each). It targets engine control units (ECUs) requiring high-integrity real-time processing.
For engineers reviewing the SPC564A70L7CFBY datasheet, SPC564A70L7CFBY pinout, SPC564A70L7CFBY application, or SPC564A70L7CFBY equivalent, key selection considerations include its dual-channel FlexRay support, eTPU2 with 32 standard channels and dedicated reaction module, 24-channel eMIOS, and fail-safe features including CRC unit, MPU, and junction temperature sensor - all validated for ASIL-B automotive safety compliance.
Technical Context
The SPC564A70L7CFBY implements a superscalar e200z4 core with Variable Length Encoding (VLE), enabling up to two integer or floating-point instructions per cycle and four MAC operations per cycle. Its memory subsystem includes 2 MB flash with ECC and RWW capability, 128 KB SRAM with ECC and 32 KB low-power standby partition, and an 8 KB configurable instruction cache.
Peripherals are interconnected via a 4×4 crossbar switch (XBAR) supporting concurrent access to flash, SRAM, and peripherals. Safety-critical functions are reinforced by a 16-entry MPU, triple-submodule CRC unit, and Class 3+ Nexus debug interface for core and Class 1 for eTPU - essential for deterministic timing analysis in ISO 26262-compliant powertrain software development.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4 Power Architecture® with VLE, superscalar dual-execution-unit design for deterministic real-time instruction throughput |
| Clock Frequency | 150 MHz maximum operation enabled by on-chip FMPLL with frequency modulation for EMI reduction |
| Flash Memory | 2 MB on-chip with ECC, read-while-write (RWW), and 100k write/erase cycles - supports safe over-the-air (OTA) firmware updates |
| SRAM | 128 KB total: 32 KB retains data in standby mode with ECC; enables low-power wake-up without full reinitialization |
| eQADC Performance | 40-channel 12-bit ADC with 688 ns minimum conversion time - suitable for high-resolution cylinder pressure sensing |
| FlexRay Interface | V2.1 compliant, up to 10 Mbit/s, dual/single channel, 128 message objects with ECC - meets AUTOSAR-compliant x-by-wire timing requirements |
| eTPU2 Capability | 32 standard time-processing channels + 6-channel reaction module (3 outputs/channel) - enables precise ignition/fuel injection timing control |
Pinout & Package
SPC564A70L7CFBY is packaged in LQFP176 (24 mm × 24 mm), with 112 general-purpose I/O lines distributed across multiple voltage domains (5 V, 3.3 V, 1.2 V). The package supports ECOPACK® RoHS-compliant assembly and automotive-grade thermal performance (θJA = 29.5 °C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply input (5 V) | Power domain for core logic and high-speed peripherals; requires external ballast resistor for regulation |
| VDD_IO_3V3 | I/O supply (3.3 V) | Supplies GPIO, CAN transceivers, and SPI interfaces; independent from core supply for mixed-voltage interoperability |
| VDD_CORE | Core supply (1.2 V) | Feeds e200z4 core and cache; generated internally from main supply via on-chip regulator controller |
| VRN/VRP | FlexRay differential pair | Terminated 100 Ω differential interface supporting 10 Mbit/s bus rates with built-in termination control |
| TXD_CAN0 | FlexCAN0 transmit output | CMOS-level output driving external CAN transceiver; supports ISO 11898-2 physical layer signaling |
| EMIOS0_CH0 | eMIOS channel 0 input/output | Unified timer channel supporting input capture, output compare, and PWM generation with nanosecond resolution |
Key Features
| Feature | Design Value |
|---|---|
| Fail-Safe Protection | 16-entry MPU, triple CRC submodules, and junction temperature sensor enable runtime integrity checks for ASIL-B diagnostics |
| Bootloader Support | On-chip CAN/SCI Bootstrap Loader with Boot Assist Module (BAM) allows field firmware recovery without JTAG |
| Memory Subsystem | 2 MB flash with ECC + RWW and 128 KB SRAM with ECC + 32 KB standby partition ensure zero-downtime updates and retention during stop mode |
| Real-Time Peripheral Set | eTPU2 (32 channels + reaction module), 24-channel eMIOS, and dual eQADCs provide deterministic timing for combustion control loops |
| Automotive Network Integration | 3× FlexCAN (64 msg buf), 3× DSPI (2 w/ MSC), 3× eSCI, and FlexRay v2.1 support multi-bus ECU architectures with synchronized timestamping |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time closed-loop control of fuel injection timing, spark advance, and air-fuel ratio using cylinder pressure and crankshaft position feedback. IC Role / Device Role / Timing Role: Primary compute engine executing ASIL-B safety-critical control algorithms with <10 µs jitter tolerance on eTPU2-triggered outputs. Use Value: eTPU2's 32-channel precision timing and reaction module enable sub-degree crank-angle resolution for optimized combustion efficiency and emissions compliance. |
Use Scenario: Coordinated shift scheduling and torque converter clutch control in automatic transmissions using vehicle speed, throttle, and turbine RPM inputs. IC Role / Device Role / Timing Role: Central controller managing CAN-based actuator commands and FlexRay-synchronized sensor fusion from multiple gear position sensors. Use Value: Dual-channel FlexRay (10 Mbit/s) ensures deterministic <50 µs latency for safety-critical torque management messages across transmission sub-systems. |
| Electric Power Steering (EPS) | Hybrid Powertrain Controller |
|
Use Scenario: High-bandwidth motor current and steering angle monitoring with fail-operational torque assist response under fault conditions. IC Role / Device Role / Timing Role: Safety monitor and actuator driver interfacing with dual-redundant motor drivers via eMIOS PWM and eQADC sampling at 1.45 MSPS. Use Value: 40-channel eQADC with 688 ns conversion time captures fast transient currents for instantaneous overcurrent protection and torque ripple suppression. |
Use Scenario: Coordination of ICE start-stop, electric motor torque blending, and battery state-of-charge management in PHEV architectures. IC Role / Device Role / Timing Role: Master controller synchronizing FlexCAN (engine), FlexRay (motor inverter), and DSPI (battery BMS) with hardware timestamp alignment. Use Value: 4×4 XBAR enables concurrent access to flash (control code), SRAM (real-time variables), and peripherals - eliminating bus contention during multi-domain control execution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive powertrain microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP MPC5643L | Same e200z4 core, 128 MB flash, no FlexRay; uses older DSPI v1.0 instead of v2.0 with MSC support | Lacks FlexRay v2.1 and dual-channel MSC-capable DSPI - unsuitable for x-by-wire or high-speed sensor fusion | Select only for legacy ECU upgrades where FlexRay is unused and DSPI bandwidth suffices |
| Renesas RH850/F1K | 400 MHz RXv2 core, 2 MB flash, 512 KB RAM; supports CAN FD but no FlexRay; different safety architecture (no eTPU2) | Higher compute throughput but lacks dedicated time-processing hardware - requires software-based timing emulation | Prefer when algorithm complexity dominates over deterministic I/O timing; avoid for ignition/fuel timing-critical designs |
Compared with MPC5643L and RH850/F1K, the SPC564A70L7CFBY uniquely combines FlexRay v2.1, eTPU2 with reaction module, and dual MSC-capable DSPI - making it the only option among the three that natively satisfies ASIL-B timing determinism and multi-bus synchronization for next-generation powertrain ECUs.
Availability
SPC564A70L7CFBY is available at Aetrix Electronics and suitable for engine control units (ECUs), transmission control modules (TCMs), electric power steering (EPS) systems, and hybrid powertrain controllers requiring stable component supply, long-term automotive lifecycle support, and ASIL-B functional safety certification.
Supply support for SPC564A70L7CFBY 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 management ICs with ISO/TS 16949-certified manufacturing.
The SPC564A70L7CFBY belongs to the SPC56x automotive MCU family, engineered specifically for ASIL-B powertrain applications requiring deterministic real-time performance, multi-network connectivity (FlexRay/CAN/FlexCAN), and hardware-accelerated signal processing (eTPU2/eQADC).
FAQ
What is the maximum operating junction temperature for SPC564A70L7CFBY?
The SPC564A70L7CFBY is rated for a maximum junction temperature of 150 °C, validated across all supported packages (LQFP176, LBGA208, PBGA324) per STMicroelectronics Doc ID 18078 Rev 4 Section 3.3. This rating enables deployment in under-hood environments such as engine compartments and transmission control housings without active cooling.
Does SPC564A70L7CFBY support JTAG debugging in all power modes?
Yes - JTAG (5-pin IEEE 1149.1) is fully operational in run, slow, and stop modes, though not in standby mode where core clocks are gated. The device implements JTAG boundary scan and debug access port (TAP) per Section 1.5.27 of the datasheet, with timing validated up to 10 MHz TCK frequency.
How many message buffers does each FlexCAN module support?
Each of the three FlexCAN modules supports exactly 64 message buffers, configurable as transmit or receive objects with programmable acceptance filtering. This is confirmed in Section 1.5.17 of the datasheet and enables concurrent handling of engine, transmission, and chassis CAN traffic without software arbitration overhead.
Is the 2 MB flash memory field-programmable via CAN or SCI?
Yes - the on-chip 2 MB flash supports in-system programming (ISP) via the integrated CAN/SCI Bootstrap Loader and Boot Assist Module (BAM), as documented in Section 1.5.10. Firmware updates can be performed over CAN bus without external debug hardware, provided the bootloader is uncorrupted and security fuses remain unset.
SPC564A70L7CFBY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 176-LQFP
- Series:
- SPC56
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4d
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, LINbus, SCI, SPI
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 150
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.14V ~ 1.32V
- Data Converters:
- A/D 34x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC564A70L7CFBY FAQ
1.How can I place an order for SPC564A70L7CFBY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC564A70L7CFBY 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 SPC564A70L7CFBY reliable?
The price and inventory of SPC564A70L7CFBY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC564A70L7CFBY is usually 5 days.
3.What payment methods are accepted for SPC564A70L7CFBY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC564A70L7CFBY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC564A70L7CFBY?
SPC564A70L7CFBY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC564A70L7CFBY 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 SPC564A70L7CFBY?
For technical support, including SPC564A70L7CFBY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC564A70L7CFBY requirements.
6.How does Aetrix verify that SPC564A70L7CFBY is sourced from the original manufacturer or authorized distributors?
All SPC564A70L7CFBY 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 SPC564A70L7CFBY meets industry standards.
7.What is the process for return or replacement of SPC564A70L7CFBY?
All SPC564A70L7CFBY units undergo pre-shipment inspection (PSI). If there is an issue with SPC564A70L7CFBY, 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 SPC564A70L7CFBY part is unused and in its original packaging.
Return procedure for SPC564A70L7CFBY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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