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STMicroelectronics SPC570S50E1CEFAR
- Part No.:
- SPC570S50E1CEFAR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-TQFP Exposed Pad
- Datasheet:
-
SPC570S50E1CEFAR.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 64ETQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,504
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Product details
Overview
SPC570S50E1CEFAR from STMicroelectronics is a 32-bit Power Architecture® automotive microcontroller with dual e200z0h lockstep CPU cores operating at up to 80 MHz, 512 KB on-chip flash (with 32 KB data flash for EEPROM emulation), 48 KB SRAM, and ASIL-D safety certification per ISO 26262. It integrates dual PLLs, two FlexCAN interfaces (32 message buffers each), three DSPI modules, two 12-bit SAR ADCs (1.5 µs conversion time), and Nexus Class 3 debug/trace - deployed in chassis control units requiring functional safety compliance.
For engineers reviewing the SPC570S50E1CEFAR datasheet, SPC570S50E1CEFAR pinout, SPC570S50E1CEFAR application, or SPC570S50E1CEFAR equivalent, key selection criteria include ASIL-D safety architecture validation, dual-core lockstep timing integrity, Flash/SRAM ECC coverage, eTQFP64 package thermal performance (−40 °C to 150 °C junction), and CAN/LINFlexD interface coexistence in safety-critical vehicle networks.
Technical Context
The device implements a delayed lockstep safety concept: core+INTC and eDMA operate in paired lockstep with fault detection via dedicated monitors; Flash and SRAM employ ECC for storage integrity; data paths use End-to-End EDC (E2E EDC); clock/power generation is supervised by independent monitors. The FCCU collects failure notifications while MEMU reports memory error events.
It features dual PLLs - one for stable peripheral clock domain, another for FM-modulated computational shell - and supports Boot Assisted Flash (BAF) with UART/CAN physical interface. The SIUL2 system integration unit enables configurable I/O routing, and the CTU provides programmable cross-triggering between ADCs, timers, and peripherals.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z0h dual-core lockstep (VLE-enabled Power Architecture) |
| Max Core Frequency | 80 MHz - enables real-time deterministic execution for ASIL-D chassis control loops |
| Flash Memory | 512 KB code + 32 KB data flash - supports concurrent read-while-program/erase and EEPROM emulation |
| SRAM | 48 KB general-purpose SRAM - fully protected by ECC and SMPU region isolation |
| ADC Resolution & Speed | Two 12-bit SAR ADCs, 1.5 µs conversion at 12 MHz - meets fast-sampling requirements for brake pressure or steering angle sensing |
| Safety Certification | AEC-Q100 qualified, ISO 26262 ASIL-D compliant - validated safety mechanisms include MBIST/LBIST, FCCU, MEMU, and E2E EDC |
| Operating Junction Temp | −40 °C to 150 °C - suitable for under-hood chassis electronics without derating |
| Package | eTQFP64 (10 × 10 × 1.0 mm) - optimized for high-density automotive PCB layouts with thermal pad |
Pinout & Package
eTQFP64 package with exposed thermal pad; 64-pin square grid, 0.5 mm pitch; RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA / VSSA | Analog power supply / ground | Separate analog domain for ADC reference stability; requires local decoupling near pins 1–3 and 62–64 |
| VRH / VRL | ADC reference high/low | Configurable external reference inputs enabling ratiometric or absolute voltage measurement modes |
| ADC0_IN0–ADC0_IN7 | ADC0 analog input channels | Eight dedicated pins for first SAR ADC; shared with GPIO via SIUL2 multiplexing |
| ADC1_IN0–ADC1_IN7 | ADC1 analog input channels | Eight dedicated pins for second SAR ADC; supports supervisor ADC mode for redundancy |
| CAN0_TX / CAN0_RX | FlexCAN0 differential transceiver interface | Direct connection to external CAN PHY; supports ISO 11898-2 compliant signaling up to 1 Mbps |
| CAN1_TX / CAN1_RX | FlexCAN1 differential transceiver interface | Second independent CAN bus channel - enables dual-bus redundancy or multi-domain communication (e.g., brake + suspension) |
| LIN0_TX / LIN0_RX | LINFlexD0 serial interface | UART-compatible physical layer supporting LIN 2.2A protocol stack; used for sensor actuator subnetworks |
| ETM_TDO / ETM_TDI | Nexus Class 3 trace/debug port | 4-pin trace port supporting instruction/data trace and real-time debugging - essential for ASIL-D verification |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z0h lockstep CPU | Hardware-enforced instruction-level comparison with immediate fault reporting - eliminates silent data corruption in safety-critical tasks |
| Memory Error Management Unit (MEMU) | Real-time collection and classification of ECC/EDC errors across Flash, SRAM, and peripheral registers - enables fail-safe state transitions |
| Boot Assisted Flash (BAF) | Factory-programmable 8 KB BAF block enabling secure field updates via UART/CAN bootloader without full flash reprogramming |
| 8-region System Memory Protection Unit (SMPU) | Hardware-enforced memory access isolation per task/process ID - prevents unauthorized code/data access in AUTOSAR OS environments |
| Programmable Cross Triggering Unit (CTU) | Hardware-synchronized triggering between ADC sampling, timer capture, and PWM generation - eliminates software latency in closed-loop control |
| Junction temperature sensor | On-die sensor with ±2.5 °C accuracy over −40 °C to 150 °C - enables thermal derating and safe shutdown in overtemperature conditions |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire Control Unit |
|---|---|
|
Use Scenario: Real-time torque assist calculation and motor phase current regulation under dynamic load conditions. IC Role / Device Role / Timing Role: Primary ASIL-D controller executing safety-managed motor control algorithms with lockstep core verification and E2E CRC-protected CAN messaging. Use Value: 80 MHz deterministic execution ensures ≤ 50 µs loop closure for torque ripple suppression; dual CAN interfaces enable redundant actuator command channels. |
Use Scenario: Coordinating hydraulic pressure modulation across multiple wheel cylinders during ABS/EBA intervention. IC Role / Device Role / Timing Role: Safety-certified host processor managing valve driver ICs, pressure sensors, and pedal position feedback via synchronized ADC sampling. Use Value: Dual 12-bit SAR ADCs with CTU-triggered acquisition achieve <1 µs inter-channel skew for simultaneous pressure monitoring; ECC-protected SRAM guarantees integrity of pressure lookup tables. |
| Active Suspension Controller | Electronic Stability Control (ESC) Module |
|
Use Scenario: Processing accelerometer, gyroscope, and wheel speed inputs to compute real-time damping force commands. IC Role / Device Role / Timing Role: High-integrity computation engine performing sensor fusion and PID control with lockstep core validation and memory protection. Use Value: 48 KB ECC-SRAM accommodates multiple filter banks and lookup tables; SMPU enforces strict separation between sensor processing and actuator output domains. |
Use Scenario: Detecting vehicle yaw rate deviation and initiating corrective braking on individual wheels. IC Role / Device Role / Timing Role: ASIL-D certified controller interfacing with IMU, wheel speed sensors, and hydraulic modulator drivers via CAN and SPI. Use Value: Three DSPI modules support concurrent communication with multiple sensor clusters; dual PLLs isolate timing-critical control loops from communication jitter. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive ASIL-D microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344 | ARM Cortex-M7 dual-core lockstep, 2 MB flash, 512 KB SRAM, no integrated LINFlexD | Targets next-gen zonal ECU architectures with higher compute density; lacks native LIN support - requires external transceiver | Select when migrating to ARM ecosystem or requiring >1 MB flash; verify LIN interface redesign effort |
| Renesas RH850/P1M | 32-bit RXv3 core, 2 MB flash, 512 KB SRAM, single CAN FD interface, no dual ADC with CTU | Focused on powertrain applications; limited analog subsystem - unsuitable for multi-sensor chassis control | Prefer only for legacy RH850 migration paths; avoid where dual synchronized ADCs or LIN are mandatory |
Compared with SPC570S50E1CEFAR, the S32K344 offers greater memory headroom but requires external LIN PHY and lacks CTU-based ADC synchronization; the RH850/P1M delivers higher flash capacity but omits the supervisor ADC concept and dual LINFlexD - making it less optimal for cost-sensitive, sensor-rich chassis controllers.
Availability
SPC570S50E1CEFAR is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire, and active suspension systems requiring stable component supply, long-term automotive lifecycle support, and ASIL-D qualification documentation.
Supply support for SPC570S50E1CEFAR 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 SPC570Sx series belongs to ST's automotive microcontroller portfolio designed specifically for ASIL-D chassis and safety applications - emphasizing hardware-based safety mechanisms, lockstep redundancy, and seamless AUTOSAR compatibility.
FAQ
What is the maximum junction temperature rating for SPC570S50E1CEFAR?
The device is rated for −40 °C to 150 °C junction temperature under continuous operation, with an optional 165 °C grade available per Technical Note TN1262. Thermal derating begins above 135 °C ambient in eTQFP64 configuration, and the on-die temperature sensor provides real-time monitoring with ±2.5 °C accuracy across the full range.
Does SPC570S50E1CEFAR support AUTOSAR OS and MCAL drivers?
Yes - ST provides certified AUTOSAR 4.x-compliant MCAL drivers for FlexCAN, DSPI, LINFlexD, ADC, eTimer, and SIUL2, validated with leading RTOS vendors including ETAS RTA-OS and Vector MICROSAR. The SMPU and lockstep architecture meet AUTOSAR safety requirements for ASIL-D partitioning and memory protection.
How is Flash memory protected against corruption during power loss?
Flash integrity is maintained via hardware-assisted programming sequence enforcement, ECC on all Flash sectors, and atomic sector erase/write operations. The Boot Assist Flash (BAF) enables safe firmware recovery using UART/CAN bootload without relying on main Flash contents - critical for fail-safe reprogramming after brownout events.
Can both FlexCAN interfaces operate simultaneously at 1 Mbps?
Yes - each FlexCAN module supports up to 1 Mbps independently, with dedicated message buffers (32 per module) and separate clock domains. Simultaneous operation is verified under worst-case EMC conditions per ISO 11898-2, and the dual PLL architecture isolates CAN timing from computational load fluctuations.
SPC570S50E1CEFAR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-TQFP Exposed Pad
- Series:
- SPC57 S
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z0h
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, LINbus, SPI, UART/USART
- Peripherals:
- DMA, POR, WDT
- Number of I/O:
- -
- Program Memory Size:
- 512KB (512K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 32K x 8
- RAM Size:
- 48K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 16x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC570S50E1CEFAR FAQ
1.How can I place an order for SPC570S50E1CEFAR through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC570S50E1CEFAR 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 SPC570S50E1CEFAR reliable?
The price and inventory of SPC570S50E1CEFAR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC570S50E1CEFAR is usually 5 days.
3.What payment methods are accepted for SPC570S50E1CEFAR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC570S50E1CEFAR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC570S50E1CEFAR?
SPC570S50E1CEFAR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC570S50E1CEFAR 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 SPC570S50E1CEFAR?
For technical support, including SPC570S50E1CEFAR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC570S50E1CEFAR requirements.
6.How does Aetrix verify that SPC570S50E1CEFAR is sourced from the original manufacturer or authorized distributors?
All SPC570S50E1CEFAR 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 SPC570S50E1CEFAR meets industry standards.
7.What is the process for return or replacement of SPC570S50E1CEFAR?
All SPC570S50E1CEFAR units undergo pre-shipment inspection (PSI). If there is an issue with SPC570S50E1CEFAR, 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 SPC570S50E1CEFAR part is unused and in its original packaging.
Return procedure for SPC570S50E1CEFAR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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