STMicroelectronics SPC560P50L3B1ABR
- Part No.:
- SPC560P50L3B1ABR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
SPC560P50L3B1ABR.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SPC560P50L3B1ABR from STMicroelectronics is a 32-bit Power Architecture® e200z0h-based automotive MCU with 576 KB on-chip Flash (ECC-protected), 40 KB SRAM (ECC-protected), and integrated FlexCAN, FlexRay, LINFlex, DSPI, ADC, and FlexPWM peripherals - designed for chassis control and airbag safety systems requiring ASIL-B compliance.
For engineers reviewing the SPC560P50L3B1ABR datasheet, SPC560P50L3B1ABR pinout, SPC560P50L3B1ABR application, or SPC560P50L3B1ABR equivalent, this device supports dual CAN (including safety-port mode up to 7.5 Mbit/s), FlexRay V2.1 (10 Mbit/s), 2×10-bit ADCs (<1 µs conversion), and Nexus L2+ debug - critical for real-time fault-tolerant automotive ECU design.
Technical Context
The SPC560P50L3B1ABR implements a single-issue 64 MHz e200z0h CPU core compliant with Power Architecture® embedded category and supporting Variable Length Encoding (VLE) for code density optimization. Its memory subsystem includes 576 KB Flash with ECC and erase/program controller, plus 40 KB SRAM with ECC and 64 KB data flash for EEPROM emulation.
It integrates fail-safe features including programmable watchdog timer, non-maskable interrupt, and Fault Collection Unit (FCU), alongside a 16-channel eDMA controller, 2×eTimer units (6 timers each, quadrature decode), and safety-critical interfaces: FlexCAN 2.0B Active (32 message objects), safety-port FlexCAN (32 objects, 7.5 Mbit/s), and FlexRay V2.1 (dual/single channel, 32 message objects).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | e200z0h, 64 MHz, Power Architecture® embedded category, VLE support for compact firmware |
| Flash Memory | 576 KB on-chip code flash with ECC and dedicated erase/program controller |
| SRAM | 40 KB on-chip SRAM with ECC for runtime data integrity in safety-critical contexts |
| ADC | Two 10-bit ADCs, 23 total input channels (11+11+4 shared), <1 µs full-precision conversion time |
| FlexCAN | Primary FlexCAN interface (2.0B Active) with 32 message objects; safety port mode adds second CAN at 7.5 Mbit/s |
| FlexRay | V2.1 module, selectable dual/single channel, 32 message objects, up to 10 Mbit/s (enabled only on 576 KB Flash variant) |
| eTimer | 2 units × 6 timers each; 16-bit resolution, up/down count, quadrature decode with direction flag, double-buffer capture/compare |
| Debug Interface | Nexus L2+ with real-time trace, event triggering, and hardware-assisted debugging for ISO 26262 development |
Pinout & Package
LQFP100 package (14 × 14 × 1.4 mm), 100-pin quad flat pack with exposed thermal pad; pinout optimized for airbag and chassis control applications per Figure 3 and Figure 4 of Doc ID 14723 Rev 9.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_HV_IOx | High-voltage I/O supply | 3.0–5.5 V power domain for GPIO, CAN transceivers, and analog inputs; supports mixed-voltage system interfacing |
| VDD_HV_REG | Independent ADC reference supply | Dedicated 3.0–5.5 V supply for ADC precision; decoupling required to maintain <1 LSB error over temperature |
| CANH / CANL | FlexCAN differential bus terminals | Direct connection to external CAN transceiver; safety-port mode enables redundant CAN path with independent message filtering |
| FRAY_TX / FRAY_RX | FlexRay differential transmit/receive | Supports 10 Mbit/s deterministic communication; requires external bus driver and termination per FlexRay spec V2.1 |
| ETDC0–ETDC5 | eTimer channel outputs | Configurable PWM, capture, or quadrature signals; synchronized to ADC triggers for motor position sensing |
| ADC0_IN0–ADC0_IN10 | Analog input channels (Bank 0) | 11 dedicated inputs + 4 shared with Bank 1; CTU enables cross-triggered sampling for multi-sensor timing alignment |
Key Features
| Feature | Design Value |
|---|---|
| ECC-protected memory subsystem | Hardware detection/correction of single-bit errors in 576 KB Flash and 40 KB SRAM - mandatory for ASIL-B functional safety compliance |
| Safety-port FlexCAN | Dedicated 32-message-object CAN interface operating at up to 7.5 Mbit/s, isolated from main FlexCAN for redundancy in airbag deployment logic |
| ADC Cross Triggering Unit (CTU) | Enables precise synchronization between two ADCs and eTimer/FlexPWM events - essential for closed-loop motor control timing |
| On-chip Boot Assist Module (BAM) | Supports CAN/UART-based field firmware updates without external programmer; validates image checksum before execution |
| Fail-safe protection suite | Includes NMI, programmable SWT, and FCU for automatic fault logging and safe state entry upon detected memory or timing violation |
Applications
| Airbag Control Unit | Electronic Power Steering (EPS) |
|---|---|
Use Scenario: Real-time crash detection and pyrotechnic deployment sequencing in passenger vehicles. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-B algorithms with dual CAN communication to sensors and actuators. Use Value: Safety-port FlexCAN ensures redundant command path to inflator modules; ECC memory prevents corruption-induced false deployment. | Use Scenario: Closed-loop torque assist control using motor current, steering angle, and vehicle speed feedback. IC Role / Device Role / Timing Role: Real-time motor control MCU synchronizing ADC sampling, eTimer PWM generation, and CAN status reporting. Use Value: CTU-aligned ADC/eTimer operation achieves <1 µs sensor-to-PWM latency; FlexPWM provides 8 complementary outputs for 3-phase inverter drive. |
| Brake-by-Wire Actuator | Chassis Domain Controller |
Use Scenario: Redundant hydraulic pressure modulation in electromechanical brake systems. IC Role / Device Role / Timing Role: Dual-core coordinated controller (with companion MCU) managing FlexRay bus communication and high-integrity actuator commands. Use Value: FlexRay V2.1 at 10 Mbit/s enables deterministic 5 ms cycle time; FCU logs transient faults for diagnostic traceability. | Use Scenario: Centralized vehicle dynamics coordination across ABS, ESC, and suspension ECUs. IC Role / Device Role / Timing Role: High-bandwidth gateway and computation node aggregating CAN, LIN, and FlexRay data streams. Use Value: 4×DSPI channels interface with sensor clusters; LINFlex supports body-control subnetworks; 576 KB Flash hosts complex fusion algorithms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC560P44L3B1ABR | 448 KB Flash, same LQFP100 package and peripheral set | Lower memory capacity limits complex algorithm storage and OTA update partitioning | Select when application firmware fits within 448 KB and cost sensitivity outweighs future scalability needs |
| SPC560P50L5B1AR | LQFP144 package, identical 576 KB Flash/SRAM but +44 pins for expanded I/O and routing flexibility | Enables larger sensor arrays and additional CAN/LIN channels; preferred for full-featured chassis ECUs | Choose when board layout allows larger footprint and additional GPIO, DSPI, or ADC channels are required |
Compared with SPC560P44L3B1ABR, the SPC560P50L3B1ABR offers 128 KB more Flash for safety-certified software partitions and bootloader redundancy, while the SPC560P50L5B1AR trades pin-count constraints for I/O scalability - all share identical safety architecture and ASIL-B ready peripherals.
Availability
SPC560P50L3B1ABR is available at Aetrix Electronics and suitable for airbag control units, electronic power steering systems, and brake-by-wire actuators requiring stable component supply under automotive AEC-Q100 Grade 2 qualification.
Supply support for SPC560P50L3B1ABR 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, specializing in automotive, industrial, and power solutions with broad IP portfolio and AEC-Q100 qualified manufacturing.
The SPC560P series belongs to ST's SPC5 automotive MCU family, engineered specifically for ASIL-B chassis and safety applications with integrated fault-tolerant peripherals, ECC memory, and ISO 26262-ready development tools.
FAQ
What is the maximum operating junction temperature for SPC560P50L3B1ABR?
The SPC560P50L3B1ABR is rated for a maximum junction temperature of +125 °C under AEC-Q100 Grade 2 conditions. Thermal characteristics are validated per Table 13 (LQFP100) in Doc ID 14723 Rev 9, with θJA = 40 °C/W typical and derating required above 105 °C ambient in sealed enclosures.
Does SPC560P50L3B1ABR support JTAG and Nexus debugging simultaneously?
No - the SPC560P50L3B1ABR shares physical pins between IEEE 1149.1 JTAG and Nexus L2+ debug interfaces; only one can be active at a time. Nexus is recommended for real-time trace and safety-critical development, while JTAG is used for boundary scan and basic programming per Section 1.5.31 and 1.5.29 of the datasheet.
Can the safety-port FlexCAN operate concurrently with the primary FlexCAN interface?
Yes - both FlexCAN interfaces are functionally independent: the primary FlexCAN (2.0B Active) and safety-port FlexCAN each have 32 message objects and separate registers. They share no arbitration logic and may run at different bit rates (e.g., 500 kbit/s primary, 7.5 Mbit/s safety port), as confirmed in Section 1.5.21 of Doc ID 14723 Rev 9.
Is the 64 KB data flash usable as EEPROM replacement in production firmware?
Yes - the 4×16 KB data flash blocks support byte-level erase/write via dedicated controller and include ECC. ST provides SPC560Pxx EEPROM Emulation Library (AN4251) enabling wear-leveling, atomic updates, and 100k-cycle endurance - validated for automotive black-box logging and calibration storage.
SPC560P50L3B1ABR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- SPC56
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 67
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 40K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.6V
- Data Converters:
- A/D 26x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC560P50L3B1ABR FAQ
1.How can I place an order for SPC560P50L3B1ABR through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC560P50L3B1ABR 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 SPC560P50L3B1ABR reliable?
The price and inventory of SPC560P50L3B1ABR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC560P50L3B1ABR is usually 5 days.
3.What payment methods are accepted for SPC560P50L3B1ABR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC560P50L3B1ABR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC560P50L3B1ABR?
SPC560P50L3B1ABR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC560P50L3B1ABR 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 SPC560P50L3B1ABR?
For technical support, including SPC560P50L3B1ABR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC560P50L3B1ABR requirements.
6.How does Aetrix verify that SPC560P50L3B1ABR is sourced from the original manufacturer or authorized distributors?
All SPC560P50L3B1ABR 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 SPC560P50L3B1ABR meets industry standards.
7.What is the process for return or replacement of SPC560P50L3B1ABR?
All SPC560P50L3B1ABR units undergo pre-shipment inspection (PSI). If there is an issue with SPC560P50L3B1ABR, 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 SPC560P50L3B1ABR part is unused and in its original packaging.
Return procedure for SPC560P50L3B1ABR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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