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STMicroelectronics SPC584B70E1NHC0X
- Part No.:
- SPC584B70E1NHC0X
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-TQFP Exposed Pad
- Datasheet:
-
SPC584B70E1NHC0X.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 64ETQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,207
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Product details
Overview
SPC584B70E1NHC0X from STMicroelectronics is a 32-bit Power Architecture e200z420 microcontroller designed for automotive ASIL-B safety-critical applications. It operates at up to 120 MHz, integrates 2112 KB on-chip flash (2048 KB code + 64 KB data), 128 KB general-purpose SRAM plus 64 KB core local RAM, and features dual PLLs, Ethernet 10/100 Mbps with IEEE 1588 timestamping, and 8 ISO CAN-FD interfaces. It is deployed in engine control units requiring deterministic real-time response and functional safety compliance.
For engineers reviewing the SPC584B70E1NHC0X datasheet, SPC584B70E1NHC0X pinout, SPC584B70E1NHC0X application, or SPC584B70E1NHC0X equivalent, key selection criteria include ASIL-B safety architecture (FCCU, MEMU, CRC), eMIOS timing precision for PWM synchronization, BCTU-triggered ADC conversion coordination, and HSM-dedicated 176 KB flash for secure boot and cryptographic operations.
Technical Context
The SPC584B70E1NHC0X implements a dual-issue e200z420 CPU core with Variable Length Encoding (VLE) and single-precision floating-point unit (EFPU2), supported by 8 KB instruction cache and 4 KB data cache. Its crossbar switch enables concurrent access to flash, SRAM, and peripherals with end-to-end ECC protection across all bus masters.
It integrates an ASIL-B safety subsystem including Fault Collection and Control Unit (FCCU), Memory Error Management Unit (MEMU), and dual CRC engines - one for memory integrity and one for communication checksums. The hardware security module (HSM) contains a dedicated e200z0 core and 176 KB isolated flash (144 KB code + 32 KB data) for secure firmware execution and key management.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | e200z420, 32-bit Power Architecture, up to 120 MHz - enables deterministic real-time task scheduling in AUTOSAR-compliant ECUs |
| Flash Memory | 2112 KB total (2048 KB code + 64 KB data flash) - supports Read-While-Write and EEPROM emulation via multiple RWW partitions |
| SRAM | 128 KB general-purpose SRAM + 64 KB core-local RAM - provides low-latency data storage for time-critical control loops |
| Safety Certification | AEC-Q100 qualified, ISO 26262 ASIL-B compliant - validated fault detection coverage for memory, clock, and peripheral monitoring |
| Communication Interfaces | 8 MCAN (ISO CAN-FD), 14 LINFlexD, 7 DSPI, 1 Ethernet 10/100 Mbps with IEEE 1588 timestamping - meets domain controller bandwidth and time-synchronization requirements |
| Analog Subsystem | 2× fast 12-bit SAR ADCs, 1 supervisor 12-bit SAR ADC, 1 10-bit SAR ADC with STDBY mode - supports simultaneous sensor acquisition and low-power monitoring |
| Timing & Triggering | eMIOS with 64 timed I/O channels (16-bit resolution), BCTU with eMIOS/PIT-triggered ADC conversion - enables precise PWM-ADC synchronization for motor current sensing |
Pinout & Package
eTQFP100 package (14 mm × 14 mm × 1.0 mm, 100-pin thermally enhanced quad flat pack) with exposed thermal pad; RoHS-compliant, AEC-Q100 qualified for automotive under-hood environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_LV | Core power supply | 1.335–1.400 V supply for e200z420 core - requires tight regulation and low-noise filtering for stable high-frequency operation |
| VDD_HV_IO_MAIN | I/O power supply | 5.5–6.0 V supply for GPIO, LIN, CAN transceivers - supports direct interface to automotive 5 V and 12 V domains |
| PORST | Power-on reset input | Active-low asynchronous reset with internal pull-up - initiates safe boot sequence and resets all safety monitors |
| CLKIN_40M | Main crystal oscillator input | 40 MHz external crystal input for primary PLL0 - establishes system clock domain with ±50 ppm stability for timing-critical peripherals |
| ETH_MDC / ETH_MDIO | Ethernet management interface | IEEE 802.3 MII management interface - configures PHY registers and monitors link status for time-sensitive AVB/Ethernet-based diagnostics |
| MCAN0_TX / MCAN0_RX | CAN-FD physical layer interface | Differential TX/RX pair for ISO CAN-FD up to 5 Mbps - supports flexible data-rate arbitration and payload transmission in gateway modules |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Safety Architecture | FCCU collects failure notifications from MEMU, CRC, and clock monitors; triggers safe state entry within ≤100 µs latency |
| HSM with Dedicated Flash | 176 KB isolated flash (144 KB code + 32 KB data) and e200z0 core - enables secure boot, AES-128 acceleration, and tamper-resistant key storage |
| eMIOS + BCTU Coordination | 64-channel eMIOS with configurable trigger outputs synchronized to BCTU - eliminates software jitter in ADC sampling aligned to PWM edges |
| Boot Assist Flash (BAF) | Factory-programmable via serial bootload over CAN or LIN/UART - enables zero-touch ECU reprogramming without JTAG hardware |
| Smart Standby Mode | Ultra-low-power STANDBY with wake-up from LIN/CAN/LINFlexD or analog comparator - maintains <10 µA quiescent current while retaining SRAM and RTC state |
Applications
| Engine Control Unit (ECU) | Electric Power Steering (EPS) |
|---|---|
|
Use Scenario: Real-time combustion timing, fuel injection pulse width, and knock detection using multi-channel analog inputs and high-resolution PWM outputs. IC Role / Device Role / Timing Role: Primary control MCU executing AUTOSAR OS with ASIL-B safety partitioning; synchronizes eMIOS PWM and BCTU-triggered ADC for cylinder-specific feedback. Use Value: 120 MHz e200z420 core with 64 KB local RAM ensures sub-10 µs interrupt latency for misfire detection, while dual CRC engines validate flash and CAN message integrity. |
Use Scenario: Torque assist calculation, motor phase current sensing, and fail-safe torque reduction during sensor faults. IC Role / Device Role / Timing Role: Safety-critical actuator controller with redundant ADC paths and HSM-managed secure firmware updates over CAN-FD. Use Value: Two independent 12-bit SAR ADCs sample motor currents simultaneously; BCTU triggers conversions precisely at PWM center-aligned zero-crossings to minimize noise coupling. |
| Vehicle Gateway Module | Advanced Driver Assistance System (ADAS) Sensor Hub |
|
Use Scenario: Protocol translation between CAN-FD, LIN, and Ethernet domains in zonal architectures with time-synchronized diagnostics. IC Role / Device Role / Timing Role: Domain gateway MCU managing 8 MCAN interfaces, 14 LINFlexD ports, and IEEE 1588-capable Ethernet MAC. Use Value: Dual PLL architecture isolates computational shell (FM domain) from peripheral clock domain - ensures stable Ethernet timestamping even during CPU load spikes. |
Use Scenario: Aggregating radar, camera, and ultrasonic sensor data with time-coordinated preprocessing before forwarding to central ADAS ECU. IC Role / Device Role / Timing Role: Sensor fusion preprocessor with hardware-accelerated CRC and memory ECC - validates raw sensor payloads before DMA transfer to shared SRAM. Use Value: Crossbar switch enables concurrent eDMA transfers from 7 DSPI interfaces and 2 SAR ADCs without bus contention, maintaining ≤2 µs inter-sample jitter. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive ASIL-B microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344 | ARM Cortex-M7 core (320 MHz), 4 MB flash, 1.5 MB SRAM, ASIL-D capable - higher performance but larger die size and power envelope | Targeted at next-gen zonal controllers requiring higher compute density and hypervisor support | Select when migrating to ARM ecosystem or requiring ASIL-D decomposition; not drop-in compatible due to architecture and pinout differences |
| Renesas RH850/U2A | 32-bit RH850 core (240 MHz), 4 MB flash, 1.2 MB SRAM, ASIL-B certified - includes built-in FPU and DSP extensions optimized for motor control | Preferred for electric vehicle inverters where vector math throughput dominates over communication bandwidth | Choose for high-fidelity motor control algorithms; lacks integrated Ethernet MAC and has fewer CAN-FD channels than SPC584B70E1NHC0X |
Compared with NXP S32K344 and Renesas RH850/U2A, the SPC584B70E1NHC0X delivers optimal balance of ASIL-B safety infrastructure, CAN-FD/Ethernet integration, and thermal efficiency in eTQFP100 packaging - making it ideal for cost-sensitive, thermally constrained engine and chassis ECUs where Power Architecture toolchain maturity is prioritized.
Availability
SPC584B70E1NHC0X is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, vehicle gateway modules, and ADAS sensor hubs requiring stable component supply across extended automotive lifecycles.
Supply support for SPC584B70E1NHC0X 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 over 40 years of automotive qualification expertise.
The SPC584Bx series belongs to ST's SPC5 automotive MCU family, designed specifically for ASIL-B safety-critical powertrain and chassis applications - emphasizing deterministic real-time performance, functional safety compliance, and seamless integration with AUTOSAR and ISO 26262 workflows.
FAQ
What is the maximum junction temperature rating for SPC584B70E1NHC0X?
The SPC584B70E1NHC0X is rated for a junction temperature range of –40 °C to +150 °C, validated per AEC-Q100 Grade 0 requirements. This allows deployment in under-hood environments such as engine control modules without active cooling, provided PCB thermal design meets the specified θJA of 32.5 °C/W for the eTQFP100 package.
Does SPC584B70E1NHC0X support IEEE 1588 Precision Time Protocol (PTP)?
Yes - the integrated Ethernet MAC supports IEEE 1588-2008 timestamping with a 64-bit internal time stamp counter, hardware-assisted PTP frame processing, and fine-grained correction of packet delay variation. Timestamp accuracy is ±50 ns under typical operating conditions with external crystal reference.
How is the Hardware Security Module (HSM) isolated from the main CPU?
The HSM contains a physically separate e200z0 core, dedicated 176 KB flash (144 KB code + 32 KB data), and private SRAM. It communicates with the main e200z420 core only through secure mailbox registers with hardware-enforced access control - no shared memory or bus arbitration, preventing side-channel leakage or unauthorized firmware modification.
Can SPC584B70E1NHC0X perform ADC conversions while in STANDBY mode?
Yes - the 10-bit SAR ADC supports STANDBY mode operation, enabling low-power sensor monitoring (e.g., battery voltage, coolant level) with wake-up capability. Conversion results are stored in dedicated STANDBY RAM, and the device can exit STANDBY within 3 µs to process the result without full system initialization.
SPC584B70E1NHC0X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-TQFP Exposed Pad
- Series:
- SPC58 4B-Line
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z420
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, LINbus, SPI, UART/USART
- Peripherals:
- DMA, POR, WDT
- Number of I/O:
- 44
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 128K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.14V ~ 5.5V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC584B70E1NHC0X FAQ
1.How can I place an order for SPC584B70E1NHC0X through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC584B70E1NHC0X 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 SPC584B70E1NHC0X reliable?
The price and inventory of SPC584B70E1NHC0X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC584B70E1NHC0X is usually 5 days.
3.What payment methods are accepted for SPC584B70E1NHC0X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC584B70E1NHC0X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC584B70E1NHC0X?
SPC584B70E1NHC0X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC584B70E1NHC0X 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 SPC584B70E1NHC0X?
For technical support, including SPC584B70E1NHC0X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC584B70E1NHC0X requirements.
6.How does Aetrix verify that SPC584B70E1NHC0X is sourced from the original manufacturer or authorized distributors?
All SPC584B70E1NHC0X 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 SPC584B70E1NHC0X meets industry standards.
7.What is the process for return or replacement of SPC584B70E1NHC0X?
All SPC584B70E1NHC0X units undergo pre-shipment inspection (PSI). If there is an issue with SPC584B70E1NHC0X, 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 SPC584B70E1NHC0X part is unused and in its original packaging.
Return procedure for SPC584B70E1NHC0X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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