STMicroelectronics SPC582B54E1BD00X
- Part No.:
- SPC582B54E1BD00X
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-TQFP Exposed Pad
- Datasheet:
-
SPC582B54E1BD00X.pdf
- Description:
- IC MCU 32BIT 768KB FLASH 64ETQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SPC582B54E1BD00X from STMicroelectronics is an AEC-Q100 qualified 32-bit Power Architecture automotive microcontroller with e200z2 single core running at 80 MHz, 1088 KB on-chip flash (1024 KB code + 64 KB data), 96 KB SRAM, and ASIL-B functional safety compliance per ISO 26262. It integrates 7 MCAN interfaces with ISO CAN FD support, 6 LINFlexD modules, and a dual-PLL clock system for automotive powertrain and chassis control applications.
For engineers reviewing the SPC582B54E1BD00X datasheet, SPC582B54E1BD00X pinout, SPC582B54E1BD00X application, or SPC582B54E1BD00X equivalent, this MCU delivers deterministic real-time execution, end-to-end ECC protection across memory and crossbar, BCTU-synchronized ADC triggering, and factory-programmable boot assist flash via CAN/LIN/UART - critical for ECU firmware updates and safety-critical diagnostics.
Technical Context
The SPC582B54E1BD00X implements a single-issue e200z2 CPU core compliant with Power Architecture embedded specification, supporting Variable Length Encoding (VLE) for reduced code footprint and single-precision floating-point operations. Its dual PLL architecture separates stable peripheral clocks from FM-modulated computational domains, enabling precise timing for motor control and sensor fusion.
Memory subsystem includes 1088 KB flash with read-while-write capability and EEPROM emulation across multiple RWW partitions, plus 96 KB SRAM with 64 KB in standby mode. Safety is enforced via FCCU, MEMU, CRC units, and hardware-level end-to-end ECC on flash, SRAM, and crossbar paths - all validated for ASIL-B compliance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | e200z2 single-issue 32-bit Power Architecture core with VLE and EFPU2 - enables compact, deterministic code for real-time automotive tasks. |
| Max Clock Frequency | 80 MHz - provides sufficient MIPS for ASIL-B-compliant powertrain control loops with margin for diagnostic overhead. |
| Flash Memory | 1088 KB (1024 KB code + 64 KB data) with RWW and EEPROM emulation - supports safe over-the-air updates and parameter storage without halting execution. |
| SRAM | 96 KB general-purpose SRAM, including 64 KB in standby mode - retains critical state during low-power modes for fast wake-up response. |
| Safety Features | FCCU, MEMU, dual CRC units, and end-to-end ECC on flash/SRAM/crossbar - fulfills ASIL-B requirements for fault detection, reporting, and containment. |
| Communication Interfaces | 7 MCAN (ISO CAN FD), 6 LINFlexD, 4 DSPI, 1 I²C - enables full-vehicle network integration with high-bandwidth actuator/sensor communication. |
| Analog Subsystem | 1 × 12-bit SAR ADC with up to 27 channels and enhanced diagnosis - supports precision current/voltage sensing in motor control and battery monitoring. |
Pinout & Package
eTQFP64 package (10 × 10 × 1.0 mm), RoHS-compliant, with 64 leads and thermal pad exposed on underside for enhanced heat dissipation in automotive under-hood environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_LV | Core logic supply | 1.2 V regulated input for CPU and internal logic - requires tight regulation (±30 mV) to maintain ASIL-B timing integrity. |
| VDD_HV_IO_MAIN | I/O supply voltage | 3.0–5.5 V supply for GPIO, LIN, CAN transceivers - supports direct interface with 5 V automotive sensors and actuators. |
| PORST | Power-on reset input | Active-low asynchronous reset with internal pull-up - initiates safe startup sequence and triggers FCCU safety state machine. |
| CLKIN | External crystal oscillator input | Accepts 40 MHz crystal for primary clock source - feeds PLL0 for stable system clock generation with low jitter. |
| MCAN0_TX / MCAN0_RX | CAN FD physical layer interface | Differential pair for ISO CAN FD communication at up to 5 Mbit/s - integrated bus protection and loopback test mode for EOL validation. |
| ADC0_IN0–ADC0_IN26 | Analog input channels | 27 dedicated SAR ADC inputs with programmable gain and offset calibration - supports simultaneous sampling via BCTU-triggered conversion sequences. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Safety Architecture | Hardware-enforced error detection and containment via FCCU, MEMU, and dual CRC units - eliminates need for external safety monitors in Tier 1 ECU designs. |
| Body Cross Triggering Unit (BCTU) | Configurable event routing between eMIOS timers, PIT_RTIs, and ADC - enables precise synchronization of PWM edge transitions with analog sampling for motor current reconstruction. |
| Enhanced Modular IO Subsystem (eMIOS) | 32-channel 16-bit timer with buffered updates and shifted PWM outputs - reduces electromagnetic interference by avoiding simultaneous output edges in multi-phase inverters. |
| Boot Assist Flash (BAF) | Factory-programmable serial bootloader accessible via CAN/LIN/UART - allows secure field firmware updates without JTAG access or flash reprogramming tools. |
| Crossbar Switch with E2E ECC | Concurrent access to flash, SRAM, and peripherals from CPU, DMA, and debug interfaces - maintains data integrity across all bus masters with hardware ECC correction. |
Applications
| Engine Control Unit (ECU) | Electric Power Steering (EPS) |
|---|---|
Use Scenario: Real-time combustion timing, fuel injection, and knock detection in gasoline/diesel engines. IC Role / Device Role / Timing Role: Primary controller executing AUTOSAR-compliant powertrain stack with deterministic 100 µs control loop timing. Use Value: 80 MHz e200z2 core with VLE and EFPU2 ensures sufficient compute headroom for model-based control algorithms while meeting ASIL-B fault coverage targets. |
Use Scenario: Torque assist calculation, motor position feedback processing, and fail-safe torque limiting in column-assist EPS systems. IC Role / Device Role / Timing Role: Safety-critical host MCU managing dual-redundant motor control loops and CAN FD communication with vehicle network. Use Value: 7 MCAN interfaces enable seamless integration with steering angle sensor, torque sensor, and vehicle CAN backbone - all with ISO CAN FD bandwidth for real-time status updates. |
| Brake-by-Wire Actuator | Battery Management System (BMS) Master |
Use Scenario: Closed-loop hydraulic pressure control and redundancy management in electro-hydraulic brake systems. IC Role / Device Role / Timing Role: ASIL-B-certified controller performing dual-core lock-step equivalent functions using delayed lock-step with redundancy checkers. Use Value: End-to-end ECC on flash and SRAM prevents silent data corruption in safety-critical actuation commands - validated per ISO 26262 Part 5 Annex D. |
Use Scenario: Cell voltage/temperature monitoring, SOC/SOH estimation, and contactor control in 48 V mild-hybrid and EV traction battery packs. IC Role / Device Role / Timing Role: Central BMS master coordinating distributed slave ICs via LINFlexD and managing high-speed CAN FD telemetry to gateway. Use Value: 27-channel 12-bit ADC with BCTU-triggered sampling enables synchronized acquisition across 12+ cell groups - reducing measurement skew to <1 µs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144 | ARM Cortex-M4F core @ 112 MHz, 512 KB flash, 64 KB SRAM, ASIL-B certified, but only 3 CAN FD interfaces and no VLE instruction set. | Limited CAN FD channel count and absence of Power Architecture legacy toolchain compatibility reduce suitability for SPC560Bx migration projects. | Select when ARM ecosystem alignment and higher CPU clock speed outweigh CAN FD scalability and Power Architecture deterministic behavior. |
| Renesas RH850/F1L | 32-bit RXv2 core @ 120 MHz, 1 MB flash, 128 KB SRAM, ASIL-B, but lacks integrated LINFlexD and uses proprietary LIN protocol stack requiring additional licensing. | No native LINFlexD hardware means external LIN transceivers and software stack overhead - increasing BOM cost and latency in body control modules. | Select for high-MIPS applications where RXv2 DSP extensions benefit signal processing, but avoid when LIN integration and toolchain continuity are priorities. |
Compared with NXP S32K144 and Renesas RH850/F1L, the SPC582B54E1BD00X offers superior CAN FD channel density (7 vs. 3 or 4), native LINFlexD hardware acceleration, and Power Architecture compatibility for legacy SPC560Bx code reuse - making it optimal for cost-sensitive, high-integration automotive ECUs requiring ASIL-B compliance without architectural trade-offs.
Availability
SPC582B54E1BD00X is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, brake-by-wire actuators, and battery management systems requiring stable component supply across extended automotive product lifecycles.
Supply support for SPC582B54E1BD00X 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 discrete technologies with vertical manufacturing capabilities and AEC-Q100 qualification infrastructure.
The SPC582B series is part of ST's automotive microcontroller portfolio designed specifically for ASIL-B powertrain and chassis applications, emphasizing functional safety, CAN FD scalability, and seamless migration from SPC560Bx platforms.
FAQ
What is the maximum junction temperature rating for SPC582B54E1BD00X?
The SPC582B54E1BD00X is rated for continuous operation at a maximum junction temperature of 150 °C, validated per AEC-Q100 Grade 0 requirements. This enables deployment in under-hood environments such as engine compartments and transmission control units without derating, provided PCB thermal design meets the eTQFP64 package's θJA = 42 °C/W specification.
Does SPC582B54E1BD00X support EEPROM emulation in flash memory?
Yes - the device provides 1024 KB code flash and 64 KB data flash organized into multiple RWW (Read-While-Write) partitions, enabling robust EEPROM emulation with wear leveling and atomic update support. ST's SPC5 Flash Driver Library (SPC5-FDL) implements sector management, error recovery, and background garbage collection for production-grade non-volatile data storage.
How many CAN FD interfaces does SPC582B54E1BD00X integrate?
The SPC582B54E1BD00X integrates seven fully independent MCAN modules, each compliant with ISO 11898-1:2015 (CAN FD) and supporting bit rates up to 5 Mbit/s in FD mode. All modules feature shared message RAM architecture, flexible filtering, and built-in loopback test modes for automated EOL testing.
Is Nexus Class 3 debug support available on SPC582B54E1BD00X?
Yes - the device implements IEEE-ISTO 5001-2003 Nexus Class 3+ debug and trace interface with real-time instruction trace, data trace, and stimulus control. It supports both 5-pin and 2-pin JTAG (IEEE 1149.7) for boundary scan and debug access, enabling full visibility into ASIL-B runtime behavior during development and validation.
SPC582B54E1BD00X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 64-TQFP Exposed Pad
- Series:
- SPC58 2B-Line
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z2
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, I2C, LINbus, SPI
- Peripherals:
- DMA, WDT
- Number of I/O:
- 48
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 64K x 8
- RAM Size:
- 96K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.3V, 5V
- Data Converters:
- A/D 27x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC582B54E1BD00X FAQ
1.How can I place an order for SPC582B54E1BD00X through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC582B54E1BD00X 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 SPC582B54E1BD00X reliable?
The price and inventory of SPC582B54E1BD00X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC582B54E1BD00X is usually 5 days.
3.What payment methods are accepted for SPC582B54E1BD00X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC582B54E1BD00X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC582B54E1BD00X?
SPC582B54E1BD00X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC582B54E1BD00X 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 SPC582B54E1BD00X?
For technical support, including SPC582B54E1BD00X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC582B54E1BD00X requirements.
6.How does Aetrix verify that SPC582B54E1BD00X is sourced from the original manufacturer or authorized distributors?
All SPC582B54E1BD00X 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 SPC582B54E1BD00X meets industry standards.
7.What is the process for return or replacement of SPC582B54E1BD00X?
All SPC582B54E1BD00X units undergo pre-shipment inspection (PSI). If there is an issue with SPC582B54E1BD00X, 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 SPC582B54E1BD00X part is unused and in its original packaging.
Return procedure for SPC582B54E1BD00X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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