My Inquiry
My Account
STMicroelectronics SPC56EL70L5CBOSY
- Part No.:
- SPC56EL70L5CBOSY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC56EL70L5CBOSY.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,411
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SPC56EL70L5CBOSY from STMicroelectronics is a 32-bit Power Architecture® automotive microcontroller with dual e200z4d cores operating up to 120 MHz, 2 MB flash with ECC, 192 KB SRAM with ECC, and integrated FlexRay (10 Mbit/s), FlexCAN 2.0B, and LINFlexD interfaces. It implements SIL3/ASIL-D safety architecture via lock-step mode, Sphere of Replication (SoR), FCCU, and hardware-triggered MBIST/LBIST, targeting chassis control and safety-critical vehicle systems.
For engineers reviewing the SPC56EL70L5CBOSY datasheet, SPC56EL70L5CBOSY pinout, SPC56EL70L5CBOSY application, or SPC56EL70L5CBOSY equivalent, key selection criteria include dual-core lock-step validation, ASIL-D fault collection (FCCU), FlexRay V2.1 compliance, 120 MHz real-time execution, and on-chip RWW EEPROM emulation for fail-safe firmware updates.
Technical Context
The device employs a decoupled parallel mode enabling high-performance non-redundant operation alongside lock-step safety mode. Its Sphere of Replication covers CPU cores, eDMA controllers, and crossbar switch, with outputs verified by RCCU before routing to FCCU for error classification and response.
It integrates Nexus Class 3+ debug interface, replicated 16-channel eDMA, dual 12-bit ADCs with CTU synchronization, and three eTimer units supporting 6-channel general-purpose timing - all designed to meet ISO 26262 ASIL-D requirements for chassis domain controllers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | e200z4d dual core, Power Architecture®, VLE support, MMU, SPE, 4 KB instruction cache with EDC |
| Max Core Frequency | 120 MHz - enables deterministic real-time response in chassis control loops |
| Flash Memory | 2 MB with ECC - supports secure, reliable code storage and field firmware updates |
| SRAM | 192 KB with ECC - provides robust data buffering for safety-critical variables and stack |
| Safety Certification | SIL3 / ASIL-D compliant - validated via FCCU, RCCU, MBIST/LBIST, replicated watchdog & temp sensor |
| FlexRay Interface | V2.1 Rev. A, 2 channels, 64 message buffers, up to 10 Mbit/s - meets automotive x-by-wire timing budgets |
| Operating Voltage | 3.0 V to 3.6 V - compatible with standard automotive power domains |
| Temperature Range | −40 °C to 125 °C ambient, −40 °C to 150 °C junction - qualified for under-hood deployment |
Pinout & Package
LQFP144 (20 × 20 × 1.4 mm) package with 144 leads, lead pitch 0.5 mm, RoHS-compliant ECOPACK®2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog supply | 3.3 V analog power rail for ADC, CTU, and SWG subsystems |
| VDD | Digital core supply | 3.3 V digital supply for CPU, memory, and peripheral logic |
| RESET_B | Active-low reset input | Asynchronous reset assertion with glitch filtering and external watchdog window monitoring |
| CLKIN | Main oscillator input | Accepts 4–40 MHz crystal or external clock for FMPLL reference |
| FRAY_TX0/FRAY_RX0 | FlexRay channel 0 differential pair | High-speed, noise-immune physical layer interface for time-triggered chassis networks |
| CAN0_TX/CAN0_RX | FlexCAN channel 0 differential signals | ISO 11898-1 compliant CAN 2.0B interface with 32 message objects and loopback test mode |
| ADC0_IN0–ADC0_IN15 | Analog inputs | 16-channel 12-bit ADC inputs with programmable sampling windows and CTU-triggered conversion |
| NEXUS_TDI/NEXUS_TDO | Nexus debug port | Class 3+ real-time trace and debug interface supporting instruction trace, data watchpoints, and safety state capture |
Key Features
| Feature | Design Value |
|---|---|
| Lock-step dual-core execution | Hardware-enforced functional equivalence between cores with RCCU comparison and FCCU fault reporting |
| On-chip RWW EEPROM emulation | Enables concurrent read/write operations in flash sectors for safe over-the-air update handling |
| Replicated junction temperature sensor | Two independent thermal sensors feed FCCU for ASIL-D thermal runaway detection and mitigation |
| Programmable Cross Triggering Unit (CTU) | Synchronizes ADC conversions with eTimer and FlexPWM events without CPU intervention |
| FlexRay V2.1 Rev. A module | Supports static/dynamic segment configuration, cold-start protocol, and 10 Mbit/s data rate for x-by-wire latency |
| Boot-time hardware BIST | MBIST and LBIST executed automatically at power-on, covering memory arrays and critical logic blocks |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire Control Unit |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase control in rack-mounted EPS systems. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D steering algorithms with lock-step core verification and FlexRay-synchronized actuator feedback. Use Value: 120 MHz dual-core throughput ensures sub-100 µs control loop closure; FlexRay interface meets ISO/DIS 11898-4 timing constraints for fault-tolerant bus communication. | Use Scenario: Redundant hydraulic pressure modulation and wheel-speed-based brake force distribution in electro-hydraulic brake systems. IC Role / Device Role / Timing Role: Safety-certified chassis domain controller managing FlexCAN diagnostics, ADC-based pressure sensing, and eTimer-driven PWM valve drivers. Use Value: Dual 12-bit ADCs with CTU enable synchronized sampling of 4 pressure sensors; replicated watchdog and NMI guarantee fail-safe shutdown within 50 ms. |
| Active Suspension Controller | Steer-by-Wire Actuation Module |
Use Scenario: High-bandwidth closed-loop control of magnetorheological dampers using accelerometer and position feedback. IC Role / Device Role / Timing Role: Deterministic real-time processor running ISO 26262 Part 6-compliant suspension algorithms with hardware safety monitors. Use Value: eTimer units generate precise 20 kHz PWM for damper coil drive; SPE acceleration improves FFT-based road profile analysis latency by 35%. | Use Scenario: Fault-tolerant torque command translation and motor phase sequencing in steer-by-wire front axle modules. IC Role / Device Role / Timing Role: ASIL-D certified primary controller interfacing with redundant torque sensors, FlexRay backbone, and dual FlexPWM outputs. Use Value: FlexRay V2.1 dual-channel redundancy ensures <100 µs end-to-end latency; SoR-protected eDMA transfers sensor data without CPU load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC56EL60L5CBOSY | 1 MB flash, 128 KB SRAM, no FlexRay, single eTimer unit | Targeted at ASIL-B chassis modules with lower memory and bandwidth needs | Select when FlexRay is not required and cost-sensitive ASIL-B compliance suffices |
| TC297TP128F200NAC | TriCore™ architecture, 200 MHz, 4 MB flash, no FlexRay, AURIX™ safety concept (HSM + CCU) | Higher performance for complex ADAS fusion; different safety IP and toolchain ecosystem | Choose for migration paths requiring higher compute density and Infineon's HSM-based security |
Compared with SPC56EL60L5CBOSY, this part adds FlexRay, 1 MB more flash, and dual eTimer - essential for x-by-wire latency. Versus TC297TP, it offers native FlexRay V2.1 and Power Architecture toolchain continuity but lower clock speed and no HSM.
Availability
SPC56EL70L5CBOSY is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire, active suspension, and steer-by-wire systems requiring stable component supply across automotive production lifecycles.
Supply support for SPC56EL70L5CBOSY 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, designing and manufacturing microcontrollers, power ICs, sensors, and automotive-grade silicon for industrial and transportation markets.
The SPC56EL series belongs to ST's automotive Power Architecture® MCU portfolio, engineered specifically for ISO 26262 ASIL-D chassis and safety applications requiring lock-step processing, FlexRay connectivity, and hardware BIST.
FAQ
What safety certifications does the SPC56EL70L5CBOSY hold?
The SPC56EL70L5CBOSY is certified to ISO 26262 ASIL-D and IEC 61508 SIL3 for functional safety. Its safety architecture includes hardware-replicated components (CPU, eDMA, watchdog), FCCU for fault classification, and boot-time MBIST/LBIST - all validated per ISO 26262 Part 5 requirements and documented in ST's safety manual UM1815.
Does this MCU support over-the-air (OTA) firmware updates?
Yes. The device supports OTA updates via its built-in RWW (Read-While-Write) capability in flash memory, allowing background firmware programming while executing application code. The on-chip CAN/UART/FlexRay bootstrap loader enables secure, authenticated firmware loading through any of those interfaces without external programming hardware.
What debug and trace capabilities are available?
The MCU features Nexus Class 3+ debug interface with real-time instruction trace, data watchpoints, and safety state capture. It supports both TDI/TDO and DDR-mode trace output, enabling full visibility into lock-step divergence events, FCCU fault logs, and time-stamped peripheral register access - critical for ASIL-D development and certification audits.
How is FlexRay timing validated for automotive use?
FlexRay timing is validated per ISO 17458-4 and FlexRay Consortium V2.1 Rev. A specifications. The module supports static segment configuration with guaranteed slot latencies ≤ 2 µs, dynamic segment arbitration with ≤ 5 µs worst-case jitter, and cold-start protocol compliance - all tested across −40 °C to 125 °C ambient and confirmed in ST's hardware validation report AN4732.
SPC56EL70L5CBOSY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 144-LQFP
- Series:
- SPC56xL
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4d
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, LINbus, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 96
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.63V
- Data Converters:
- A/D 32x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC56EL70L5CBOSY FAQ
1.How can I place an order for SPC56EL70L5CBOSY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC56EL70L5CBOSY 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 SPC56EL70L5CBOSY reliable?
The price and inventory of SPC56EL70L5CBOSY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC56EL70L5CBOSY is usually 5 days.
3.What payment methods are accepted for SPC56EL70L5CBOSY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC56EL70L5CBOSY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC56EL70L5CBOSY?
SPC56EL70L5CBOSY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC56EL70L5CBOSY 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 SPC56EL70L5CBOSY?
For technical support, including SPC56EL70L5CBOSY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC56EL70L5CBOSY requirements.
6.How does Aetrix verify that SPC56EL70L5CBOSY is sourced from the original manufacturer or authorized distributors?
All SPC56EL70L5CBOSY 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 SPC56EL70L5CBOSY meets industry standards.
7.What is the process for return or replacement of SPC56EL70L5CBOSY?
All SPC56EL70L5CBOSY units undergo pre-shipment inspection (PSI). If there is an issue with SPC56EL70L5CBOSY, 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 SPC56EL70L5CBOSY part is unused and in its original packaging.
Return procedure for SPC56EL70L5CBOSY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SPC56EL70L5CBOSY Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
