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STMicroelectronics SPC56EC70L7C800X
- Part No.:
- SPC56EC70L7C800X
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
SPC56EC70L7C800X.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,923
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Product details
Overview
SPC56EC70L7C800X from STMicroelectronics is a 32-bit automotive MCU based on the Power Architecture® e200z4d core, operating at up to 120 MHz and 200 MIPs. It integrates 3 MByte on-chip Flash with ECC, 256 KByte SRAM with ECC, and supports 6 FlexCAN interfaces, Fast Ethernet Controller, and Cryptographic Services Engine (AES-128). Designed for body electronics control units requiring functional safety and real-time communication.
For engineers reviewing the SPC56EC70L7C800X datasheet, SPC56EC70L7C800X pinout, SPC56EC70L7C800X application, or SPC56EC70L7C800X equivalent, key selection criteria include ASIL-B compliance support, dual-channel FlexRay interface, 12-bit ADC with 90-channel extension, and Nexus 3+ debug capability on LBGA256 packages - all confirmed in ST's DocID17478 Rev 9.
Technical Context
This MCU implements a dual-core architecture: primary e200z4d core (120 MHz) for main application execution and secondary e200z0h core (80 MHz) for safety monitoring or background tasks. Memory subsystem includes triple-ECC-protected Flash, SRAM, and Data Flash, with MPU and BIST for runtime integrity verification.
Timing and communication are hardened for automotive use: integrated Clock Monitoring Unit (CMU), 4–40 MHz external oscillator support, 64-buffer FlexCAN per channel, dual-channel FlexRay (128 buffers), and MII-compliant Fast Ethernet Controller with full signal timing compliance per IEEE 802.3.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d + e200z0h dual Power Architecture® cores - enables ASIL-B decomposition via separation of safety-critical and non-critical tasks |
| CPU Speed | 120 MHz (e200z4d), 80 MHz (e200z0h) - delivers 200 MIPs real-time throughput for complex body control algorithms |
| Flash Memory | 3 MByte with ECC - supports secure OTA updates and robust code storage under automotive temperature cycling (-40 to 125 °C) |
| SRAM | 256 KByte with ECC - provides fault-tolerant data buffering for CAN/FlexRay message queues and diagnostic logs |
| ADC Resolution | 10-bit + 12-bit dual ADCs, up to 90 total channels - enables simultaneous sampling of sensor arrays (e.g., ambient light, position, voltage rails) |
| Communication Interfaces | 6 FlexCAN, 10 LINFlex/UART, 8 DSPI, I²C, dual-channel FlexRay, Fast Ethernet - meets full gateway/ECU connectivity requirements in modern vehicle architectures |
| Cryptographic Engine | CSE with AES-128 and CMAC - enables secure boot, firmware authentication, and encrypted CAN message protection |
| Operating Temp | -40 to 125 °C - qualified for under-hood and cabin-mounted automotive body control modules |
Pinout & Package
LQFP176 package (24 × 24 × 1.4 mm), RoHS-compliant, ECOPACK® certified. Pin mapping validated per ST's Figure 2 and Tables 4–5 in DocID17478 Rev 9.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog power supply | 3.3 V or 5 V input filtered for ADC reference stability; separate from digital VDD to reduce noise coupling |
| VRH/VRT | ADC reference high/low | Configurable internal/external reference inputs enabling ratiometric or absolute voltage measurement modes |
| ETH_MDC/MDIO | Ethernet management interface | IEEE 802.3-compliant serial interface for PHY register configuration and status polling |
| FLEXRAY_A_TX/RX | FlexRay Channel A differential pair | LVDS-compatible signals supporting 10 Mbps deterministic time-triggered communication with built-in protocol engine |
| NEXUS_TDI/TDO | Nexus 3+ debug port | High-speed trace-capable interface for real-time instruction tracing and safety-critical software validation |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep option | Enables hardware-level redundancy checking between e200z4d and e200z0h for ISO 26262 ASIL-D capable designs |
| Memory Protection Unit (MPU) | 16-entry MPU isolates application, bootloader, and safety monitor code spaces to prevent unintended memory access |
| ADC-PWM synchronization | Hardware-triggered ADC sampling aligned to PWM edges - eliminates jitter in lighting dimming and motor current sensing |
| CAN Sampler in STANDBY | Retains CAN ID filtering and wake-up detection during ultra-low-power standby - reduces system wake latency to <100 µs |
| Fast Ethernet MII interface | Full-duplex 10/100 Mbps operation with precise RX/TX timing margins (±2 ns skew tolerance) verified per IEEE 802.3 clause 22 |
| On-chip Voltage Regulator | Integrated linear regulator with external ballast transistor support - simplifies power design while maintaining ±2% output regulation across load transients |
Applications
| Body Control Module (BCM) | Automotive Gateway |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirrors, and interior lighting in premium vehicles. IC Role / Device Role / Timing Role: Primary application processor executing LIN/CAN node management, PWM-driven LED driver control, and diagnostic state machine. Use Value: Dual ADCs synchronized to PWM enable flicker-free adaptive lighting; 6 FlexCAN interfaces handle multi-bus topology without external bridge ICs. | Use Scenario: High-bandwidth communication hub connecting infotainment, ADAS, and chassis domains via CAN, LIN, FlexRay, and Ethernet. IC Role / Device Role / Timing Role: Real-time protocol translation engine with deterministic latency (<50 µs) for CAN-to-Ethernet bridging and secure firmware update routing. Use Value: Integrated CSE ensures authenticated OTA updates; dual FlexRay channels provide redundant backbone links meeting AUTOSAR COM stack timing constraints. |
| Smart Junction Box | Electric Power Steering (EPS) Support ECU |
Use Scenario: Distributed power distribution unit managing fused outputs for HVAC, seat controls, and telematics modules. IC Role / Device Role / Timing Role: Safety-monitored power switch controller using e200z0h core to validate e200z4d decisions and drive high-side drivers via GPIO/PIT. Use Value: MPU-enforced memory isolation prevents fault propagation; STANDBY CAN Sampler maintains network presence while consuming <15 µA. | Use Scenario: Secondary ECU providing torque assist coordination, motor phase current monitoring, and fail-safe torque limiting for EPS systems. IC Role / Device Role / Timing Role: Real-time ADC acquisition (12-bit, 1 Msps) of motor current sensors with hardware-triggered DMA transfer to SRAM for FOC algorithm execution. Use Value: 90-channel ADC expansion supports multi-sensor redundancy; ECC-protected SRAM guarantees integrity of critical control loop variables. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC56EC70L8C800X | LQFP208 package (28 × 28 mm); adds 32 additional GPIOs and 2 extra DSPI channels vs. L7 | Required when board layout needs higher I/O count or additional SPI peripherals for sensor fusion | Select for new designs needing pin scalability; not drop-in compatible due to footprint change |
| SPC56EC70B3C800X | LBGA256 package (17 × 17 mm); includes Nexus 3+ debug interface and enhanced thermal dissipation | Suitable for space-constrained modules requiring full trace debugging and higher sustained clock performance | Choose for production-grade validation where real-time trace and thermal headroom are mandatory |
Compared with SPC56EC70L7C800X, the L8 variant trades compactness for I/O scalability, while the B3 variant sacrifices PCB assembly simplicity for debug depth and thermal margin - both retain identical core functionality, memory map, and peripheral IP blocks.
Availability
SPC56EC70L7C800X is available at Aetrix Electronics and suitable for automotive body control modules, gateway ECUs, smart junction boxes, and EPS support units requiring stable component supply across extended product lifecycles.
Supply support for SPC56EC70L7C800X 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 qualification expertise.
The SPC56ECxx family targets ASIL-B compliant automotive body electronics, delivering integrated safety mechanisms, multi-protocol connectivity, and scalable memory to replace discrete MCU + peripheral combinations in cost-sensitive ECU designs.
FAQ
What is the maximum junction temperature rating for SPC56EC70L7C800X?
The device is rated for operation up to 150 °C junction temperature, validated per AEC-Q100 Grade 0 qualification. Thermal derating begins above 125 °C ambient, with internal thermal monitoring triggering safe shutdown at 145 °C. Package-specific θJA is 32 °C/W for LQFP176 under standard JEDEC 2-layer board conditions.
Does SPC56EC70L7C800X support AUTOSAR OS and MCAL drivers?
Yes - ST provides certified AUTOSAR 4.3-compliant MCAL drivers (including CAN, LIN, ETH, ADC, PWM) and OS integration support for SPC56ECxx devices. The e200z4d core's MMU and interrupt controller meet AUTOSAR BSW timing requirements, and ST's SPC5 Studio IDE includes pre-integrated configuration tools for RTE and ECU extract generation.
How is functional safety (ISO 26262) supported in hardware?
Hardware safety features include lockstep-capable dual cores, ECC on all memories, MPU with 16 regions, BIST for Flash/SRAM, Clock Monitoring Unit (CMU), and independent watchdog timers (SWT + PIT-based). These elements collectively support ASIL-B decomposition per ISO 26262 Part 5 Annex D, with FMEDA reports available under NDA from ST.
Can the Fast Ethernet Controller operate in RMII mode?
No - the integrated Fast Ethernet Controller only supports MII interface (25-MHz clock, 16-signal bus). RMII is not implemented; external PHY selection must therefore be MII-compatible (e.g., LAN8720A or KSZ8041). The MAC layer supports store-and-forward and cut-through forwarding modes, with configurable TX/RX FIFO thresholds to optimize latency vs. throughput.
SPC56EC70L7C800X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 176-LQFP
- Series:
- SPC56
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z0h, e200z4d
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 80MHz/120MHz
- Connectivity:
- CANbus, Ethernet, LINbus, SPI, UART/USART
- Peripherals:
- DMA, POR, PWM, WDT
- Number of I/O:
- 147
- Program Memory Size:
- 1.5MB (1.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 5.5V
- Data Converters:
- A/D 27x10b, 5x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC56EC70L7C800X FAQ
1.How can I place an order for SPC56EC70L7C800X through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC56EC70L7C800X 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 SPC56EC70L7C800X reliable?
The price and inventory of SPC56EC70L7C800X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC56EC70L7C800X is usually 5 days.
3.What payment methods are accepted for SPC56EC70L7C800X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC56EC70L7C800X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC56EC70L7C800X?
SPC56EC70L7C800X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC56EC70L7C800X 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 SPC56EC70L7C800X?
For technical support, including SPC56EC70L7C800X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC56EC70L7C800X requirements.
6.How does Aetrix verify that SPC56EC70L7C800X is sourced from the original manufacturer or authorized distributors?
All SPC56EC70L7C800X 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 SPC56EC70L7C800X meets industry standards.
7.What is the process for return or replacement of SPC56EC70L7C800X?
All SPC56EC70L7C800X units undergo pre-shipment inspection (PSI). If there is an issue with SPC56EC70L7C800X, 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 SPC56EC70L7C800X part is unused and in its original packaging.
Return procedure for SPC56EC70L7C800X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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