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STMicroelectronics SPC560P34L1CEFBY
- Part No.:
- SPC560P34L1CEFBY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
SPC560P34L1CEFBY.pdf
- Description:
- IC MCU 32BIT 192KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,125
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Product details
Overview
SPC560P34L1CEFBY from STMicroelectronics is a 32-bit Power Architecture® e200z0h-based automotive MCU with 192 KB on-chip flash memory, 20 KB ECC-protected SRAM, and support for chassis/safety applications including airbag control and brake systems. It operates up to 64 MHz, integrates FlexCAN 2.0B (2 channels), LINFlex, DSPI, ADC (10-bit, 12-channel), and FlexPWM with 8 outputs.
For engineers reviewing the SPC560P34L1CEFBY datasheet, SPC560P34L1CEFBY pinout, SPC560P34L1CEFBY application, or SPC560P34L1CEFBY equivalent, key selection criteria include ASIL-B-capable fail-safe features (FCU, NMI, programmable watchdog), Nexus Class 1 debug interface, LQFP64 package compatibility, and automotive-grade temperature range (–40°C to 125°C).
Technical Context
The SPC560P34L1CEFBY implements a single-issue e200z0h CPU core compliant with Power Architecture® embedded category and supports Variable Length Encoding (VLE) for code density optimization. Its memory subsystem includes 192 KB main flash with ECC and erase/program controller, plus 64 KB data flash (4 × 16 KB banks) for EEPROM emulation.
Peripheral integration centers on functional safety: dual FlexCAN interfaces (one configurable as safety port up to 8 Mbit/s), 120-interrupt INTC with 16 priority levels, fault collection unit (FCU), and cross-triggering unit (CTU) for synchronized ADC and PWM operation in time-critical chassis control loops.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | e200z0h, 32-bit Power Architecture®, up to 64 MHz, VLE support for compact firmware footprint |
| Flash Memory | 192 KB code flash with ECC and hardware erase/program controller; enables robust over-the-air update handling |
| SRAM | 20 KB on-chip SRAM with ECC protection - critical for ASIL-B-compliant runtime data integrity |
| ADC | 10-bit, 12-channel (LQFP64), <1 µs conversion time - suitable for real-time sensor sampling in airbag crash detection |
| FlexCAN | 2× FlexCAN 2.0B interfaces; one configurable as safety port at up to 8 Mbit/s - meets ISO 11898-1 for redundant bus communication |
| eTimer Unit | 6 timers with quadrature decode, up/down counting, and double-buffered capture/compare - supports motor position sensing in EPS |
| Package | LQFP64 (10 × 10 × 1.4 mm), RoHS-compliant ECOPACK® - compatible with standard automotive PCB assembly processes |
Pinout & Package
LQFP64 package (10 × 10 × 1.4 mm), ECOPACK®-compliant, rated for –40°C to +125°C ambient operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_HV_IO1–VDD_HV_IO4 | High-voltage I/O supply | Independent 3.3 V or 5 V power domains per I/O group - enables mixed-voltage peripheral interfacing |
| VDD_HV_REG | ADC reference supply | Dedicated analog supply pin (3.0–5.5 V) - isolates ADC accuracy from digital noise coupling |
| RESET | Active-low reset input | Asynchronous, glitch-filtered reset with internal pull-up - ensures deterministic startup under EMI stress |
| CLKIN | Main oscillator input | Accepts external crystal (4–20 MHz) or clock source - provides primary timing reference for FMPLL |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 differential pair | Direct connection to external CAN transceiver - supports ISO 11898-2 physical layer compliance |
| ET0_QA / ET0_QB | eTimer quadrature A/B inputs | Dedicated pins for rotation direction sensing - eliminates software decoding latency in steering angle measurement |
Key Features
| Feature | Design Value |
|---|---|
| Fail-safe protection | Programmable watchdog timer, non-maskable interrupt (NMI), and fault collection unit (FCU) enable ASIL-B diagnostic coverage per ISO 26262 |
| Nexus Class 1 debug | Real-time trace and breakpoint capability without halting CPU - essential for safety-critical validation and certification |
| EEPROM emulation | 64 KB data flash (4 × 16 KB banks) with ECC - replaces external EEPROM in airbag event logging and calibration storage |
| ADC synchronization | Programmable Cross Triggering Unit (CTU) links ADC sampling to FlexPWM edges - enables precise current sensing in motor control |
| Safety port capability | Second FlexCAN channel configurable as safety port (up to 8 Mbit/s) - supports dual-bus redundancy in brake-by-wire systems |
Applications
| Airbag Control Unit | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time crash detection using accelerometer and pressure sensor inputs, triggering pyrotechnic deployment within ≤30 ms. IC Role / Device Role / Timing Role: Primary safety MCU executing ASIL-B firmware; manages sensor fusion, decision logic, and CAN-based deployment command transmission. Use Value: Sub-1 µs ADC conversion and FCU-monitored execution ensure deterministic response under fault conditions per ISO 26262 requirements. | Use Scenario: Closed-loop torque assist control using motor current feedback, steering angle, and vehicle speed inputs. IC Role / Device Role / Timing Role: Motor control MCU coordinating FlexPWM output, eTimer-based rotor position capture, and CTU-synchronized ADC sampling. Use Value: Quadrature decode on dedicated eTimer pins and ADC/PWM synchronization reduce phase error in field-oriented control. |
| Brake-by-Wire Actuator | Chassis Domain Controller |
Use Scenario: Redundant actuation of electro-hydraulic brake valves with dual-CAN communication to master ECU and fallback controller. IC Role / Device Role / Timing Role: Safety-critical actuator MCU running dual FlexCAN interfaces - one as primary bus, one as safety port at 8 Mbit/s. Use Value: Configurable safety port supports ISO 11898-1 high-speed arbitration and fault confinement without external transceiver reconfiguration. | Use Scenario: Aggregation and preprocessing of signals from suspension sensors, wheel speed modules, and yaw rate sensors for vehicle dynamics control. IC Role / Device Role / Timing Role: Chassis domain gateway MCU managing LINFlex (to seat/mirror ECUs), DSPI (to IMU), and FlexCAN (to ABS/ESP ECUs). Use Value: 16-channel eDMA and 120-interrupt INTC enable concurrent high-priority sensor data ingestion and low-latency CAN message scheduling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive chassis and safety applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC560P34L3CEFBY | Same core and peripherals, but 256 KB flash and LQFP100 package (64 I/O vs. 37) | Supports larger safety firmware images and additional sensor interfaces in full-featured chassis modules | Select when >192 KB flash or >37 GPIOs are required; pinout incompatible with LQFP64 layout |
| SPC560P40L1CEFBY | Higher-performance variant: same LQFP64 package but 256 KB flash and enhanced eDMA bandwidth | Enables more complex real-time algorithms (e.g., multi-axis sensor fusion) while retaining board footprint | Choose for future-proofing where flash headroom and DMA throughput are limiting in production firmware |
Compared with SPC560P34L3CEFBY and SPC560P40L1CEFBY, the SPC560P34L1CEFBY offers optimal cost/performance balance for LQFP64-constrained airbag and EPS designs requiring 192 KB flash and ASIL-B diagnostics - without over-provisioning I/O or memory.
Availability
SPC560P34L1CEFBY is available at Aetrix Electronics and suitable for automotive airbag control units, electric power steering systems, and brake-by-wire actuators requiring stable component supply across extended product lifecycles.
Supply support for SPC560P34L1CEFBY 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 broad AEC-Q100 qualification coverage.
The SPC560P series belongs to ST's SPC5 automotive MCU family, designed specifically for ASIL-B chassis and safety applications requiring integrated fail-safe mechanisms, robust debug, and long-term automotive supply assurance.
FAQ
What is the maximum operating frequency and core architecture of the SPC560P34L1CEFBY?
The SPC560P34L1CEFBY features an e200z0h 32-bit CPU core compliant with the Power Architecture® embedded category and operates at up to 64 MHz. It supports Variable Length Encoding (VLE) to reduce code size and improve instruction cache efficiency. This core is certified for ASIL-B applications and includes hardware debug via Nexus Class 1 interface.
Does the SPC560P34L1CEFBY support EEPROM emulation, and how is it implemented?
Yes, the device provides 64 KB of on-chip data flash memory organized as four 16 KB banks, each with ECC protection, specifically intended for EEPROM emulation. This allows reliable non-volatile storage of calibration data, event logs, and configuration parameters without external components - critical for airbag crash data retention and ISO 26262 compliance.
What safety features are integrated to support ASIL-B compliance?
The MCU integrates multiple hardware-level safety mechanisms: a programmable software watchdog timer (SWT), non-maskable interrupt (NMI), fault collection unit (FCU) for error logging, ECC on flash and SRAM, and Nexus Class 1 debug for runtime verification. These features collectively support diagnostic coverage targets defined in ISO 26262 for ASIL-B chassis applications.
Which communication interfaces are available, and what are their automotive use cases?
The device includes two FlexCAN 2.0B interfaces (one configurable as a safety port up to 8 Mbit/s), two LINFlex channels (one master/slave, one master-only), up to three DSPI channels, and one UART boot interface. These support CAN-based actuator control, LIN-connected body modules, SPI-connected sensors (e.g., IMUs), and secure bootloader updates - all qualified per AEC-Q100 Grade 1.
SPC560P34L1CEFBY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-LQFP
- Series:
- SPC56
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- e200z0h
- Core Size:
- 32-Bit Single-Core
- Speed:
- 64MHz
- Connectivity:
- CANbus, LINbus, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 37
- Program Memory Size:
- 192KB (192K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.6V
- Data Converters:
- A/D 16x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC560P34L1CEFBY FAQ
1.How can I place an order for SPC560P34L1CEFBY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC560P34L1CEFBY 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 SPC560P34L1CEFBY reliable?
The price and inventory of SPC560P34L1CEFBY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC560P34L1CEFBY is usually 5 days.
3.What payment methods are accepted for SPC560P34L1CEFBY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC560P34L1CEFBY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC560P34L1CEFBY?
SPC560P34L1CEFBY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC560P34L1CEFBY 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 SPC560P34L1CEFBY?
For technical support, including SPC560P34L1CEFBY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC560P34L1CEFBY requirements.
6.How does Aetrix verify that SPC560P34L1CEFBY is sourced from the original manufacturer or authorized distributors?
All SPC560P34L1CEFBY 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 SPC560P34L1CEFBY meets industry standards.
7.What is the process for return or replacement of SPC560P34L1CEFBY?
All SPC560P34L1CEFBY units undergo pre-shipment inspection (PSI). If there is an issue with SPC560P34L1CEFBY, 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 SPC560P34L1CEFBY part is unused and in its original packaging.
Return procedure for SPC560P34L1CEFBY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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