STMicroelectronics SPC582B50E1CG00X
- Part No.:
- SPC582B50E1CG00X
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 64-TQFP Exposed Pad
- Datasheet:
-
SPC582B50E1CG00X.pdf
- Description:
- IC MCU 32BIT 512KB FLASH 64ETQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,902
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Product details
Overview
SPC582B50E1CG00X from STMicroelectronics is an AEC-Q100 qualified 32-bit Power Architecture automotive microcontroller with e200z2 single core running at 80 MHz, 1 MB on-chip flash (1024 KB code + 64 KB data), 96 KB SRAM, and ASIL-B functional safety compliance per ISO 26262 for engine control, transmission, and battery management systems.
For engineers reviewing the SPC582B50E1CG00X datasheet, SPC582B50E1CG00X pinout, SPC582B50E1CG00X application, or SPC582B50E1CG00X equivalent, this MCU delivers deterministic real-time performance with dual PLLs, 7 ISO CAN-FD interfaces, 6 LINFlexD modules, and end-to-end ECC across flash, RAM, and crossbar for safety-critical powertrain software deployment.
Technical Context
The SPC582B50E1CG00X 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 memory subsystem includes 1088 KB flash with read-while-write capability and EEPROM emulation via multiple RWW partitions.
Real-time I/O coordination is enabled by the Body Cross Triggering Unit (BCTU), which synchronizes ADC conversions with eMIOS channels or PIT_RTIs, while the crossbar switch architecture allows concurrent access to peripherals, flash, and RAM from multiple bus masters - all protected by end-to-end ECC logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | e200z2 single-core, 32-bit Power Architecture, 80 MHz max frequency - enables deterministic real-time execution for AUTOSAR-compliant powertrain firmware. |
| Flash Memory | 1088 KB total (1024 KB code + 64 KB data), RWW-capable, multi-block - supports safe over-the-air updates and EEPROM emulation without halting CPU. |
| SRAM | 96 KB general-purpose SRAM (64 KB standby) - retains critical state during low-power modes like STOP and HALT for fast wake-up in engine start-stop systems. |
| Safety Features | ASIL-B compliance per ISO 26262, FCCU, MEMU, CRC unit, e2eECC - provides hardware-level fault detection, reporting, and correction for safety-critical ECU functions. |
| Communication Interfaces | 7 MCAN (ISO CAN-FD), 6 LINFlexD, 4 DSPI, 1 I²C - enables full vehicle network integration including high-speed powertrain messaging and legacy LIN sensor interfacing. |
| Analog Peripherals | 1 × 12-bit SAR ADC (27 channels), BCTU-triggered conversion, enhanced diagnosis - supports precise current/voltage sensing in motor control and battery monitoring with synchronized sampling. |
| Package & Temp | eTQFP64 (10 × 10 × 1.0 mm), –40 °C to 150 °C junction temperature - meets under-hood thermal requirements for engine control units and transmission controllers. |
Pinout & Package
eTQFP64 package with 64-pin quad flat lead-free body (10 mm × 10 mm, 1.0 mm height), optimized for automotive PCB layout density and thermal dissipation in compact ECUs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_LV | Core supply voltage input | 1.2 V ±6% regulated supply for e200z2 core - requires low-noise external regulation or internal LDO bypass configuration. |
| VDD_HV_IO_MAIN | I/O supply voltage input | 3.0–5.5 V supply for GPIO, LIN, CAN transceivers - supports direct connection to 5 V automotive domains without level-shifting. |
| PORST | Power-on reset input | Active-low reset pin with internal pull-up - initiates cold boot sequence and triggers safety initialization routines upon valid voltage ramp. |
| CLKIN | External clock input | Accepts 40 MHz crystal or external oscillator signal - feeds primary PLL0 for system clock generation with FM modulation domain separation. |
| MCAN0_TX / MCAN0_RX | CAN FD physical interface | Differential pair for ISO CAN-FD communication up to 5 Mbps - connects directly to external CAN transceiver (e.g., TJA1044) with integrated termination support. |
| ADC0_VREFH / ADC0_VREFL | ADC reference voltage inputs | 3.0–5.5 V reference range with ≤25 mV differential tolerance - defines full-scale range for 12-bit SAR conversion accuracy in battery voltage monitoring. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Safety Architecture | Hardware-enforced error detection and containment via FCCU, MEMU, and CRC units - eliminates need for software-only safety wrappers in ISO 26262 Part 6 development. |
| End-to-End ECC Protection | Applies across flash, SRAM, crossbar, and peripheral bridges - prevents silent data corruption in safety-critical control loops without CPU overhead. |
| BCTU-ADC Synchronization | Configurable trigger mapping from eMIOS PWM edges or PIT timers to ADC start - enables precise phase-aligned current sampling in field-oriented motor control. |
| Boot Assist Flash (BAF) | Factory-programmable serial bootloader via CAN/LIN/UART - allows secure reprogramming of production ECUs without JTAG hardware access. |
| Enhanced eMIOS Subsystem | 32-channel 16-bit timer with buffered updates and shifted PWM outputs - reduces electromagnetic interference in high-frequency switching applications like solenoid drivers. |
Applications
| Engine Control Unit (ECU) | Transmission Control Module (TCM) |
|---|---|
|
Use Scenario: Real-time fuel injection timing, spark advance calculation, and knock detection in gasoline/diesel engines. IC Role / Device Role / Timing Role: Primary controller executing AUTOSAR BSW and application SW with <10 µs interrupt latency for cylinder-specific event handling. Use Value: Dual PLL domains isolate computational shell (80 MHz) from peripheral clocks, ensuring jitter-free timing for cam/crank sensor decoding and injector pulse-width modulation. |
Use Scenario: Clutch pressure control, gear shift scheduling, and torque converter lock-up management in automatic transmissions. IC Role / Device Role / Timing Role: Safety-aware motion controller managing hydraulic valve actuation with ASIL-B diagnostic coverage for solenoid driver circuits. Use Value: Built-in FCCU and MEMU detect memory faults in transmission calibration tables and trigger fail-safe pressure reduction within <5 ms. |
| Battery Management System (BMS) | Electric Power Steering (EPS) |
|
Use Scenario: Cell voltage monitoring, thermal runaway prediction, and contactor control in 48 V mild-hybrid and EV traction battery packs. IC Role / Device Role / Timing Role: High-accuracy analog acquisition node interfacing with precision ADC and isolated CAN FD for pack-level telemetry. Use Value: 12-bit SAR ADC with BCTU-triggered sampling achieves <±1 LSB INL across –40 °C to 125 °C, enabling <10 mV cell voltage resolution. |
Use Scenario: Motor position feedback processing, assist torque calculation, and steering angle compensation in column-assist EPS systems. IC Role / Device Role / Timing Role: Real-time servo controller executing FOC algorithms with synchronized current sensing via eMIOS-triggered ADC conversions. Use Value: eMIOS 16-bit counter resolution and buffered PWM updates enable <1 µs dead-time control precision for 20 kHz inverter switching. |
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, ASIL-B certified, but only 3 CAN FD interfaces and no VLE instruction set. | Limited peripheral count for complex powertrain networks requiring >5 CAN FD channels. | Prefer SPC582B50E1CG00X when deploying multi-node CAN FD architectures with tight timing constraints on legacy Power Architecture toolchains. |
| Renesas RH850/F1K | 32-bit RXv2 core, 120 MHz, 2 MB flash, ASIL-B, but lacks integrated e2eECC on SRAM and uses proprietary debug interface instead of Nexus Class 3. | Higher flash capacity suits complex OTA update stacks, but debug trace bandwidth is lower than Nexus 3+. | Choose SPC582B50E1CG00X for projects requiring standardized IEEE-ISTO 5001-2003 trace compatibility and hardware ECC across full memory map. |
Compared with NXP S32K144 and Renesas RH850/F1K, the SPC582B50E1CG00X uniquely combines Power Architecture deterministic timing, 7 CAN FD interfaces, and full end-to-end ECC coverage - making it optimal for next-generation ASIL-B powertrain ECUs where peripheral concurrency and memory integrity are non-negotiable.
Availability
SPC582B50E1CG00X is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and battery management systems requiring stable component supply across extended automotive product lifecycles.
Supply support for SPC582B50E1CG00X 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.
The SPC582Bx series belongs to ST's automotive microcontroller product line, designed specifically for ASIL-B powertrain and chassis applications requiring high reliability, functional safety, and CAN FD network scalability.
FAQ
What is the maximum junction temperature rating for SPC582B50E1CG00X?
The SPC582B50E1CG00X is rated for continuous operation at a junction temperature of –40 °C to 150 °C, validated per AEC-Q100 Grade 0 stress testing. This enables direct mounting in high-temperature under-hood locations without derating, provided PCB thermal vias and copper pour meet ST's recommended layout guidelines in AN5026.
Does SPC582B50E1CG00X support bootloading over CAN FD?
No - the Boot Assist Flash (BAF) supports serial bootload only over asynchronous CAN (Classical CAN 2.0B), LIN, or UART. CAN FD is supported exclusively for application-layer communication via the seven MCAN modules, not for bootloader transport.
How many independent clock domains does the device implement?
The SPC582B50E1CG00X implements two independent phase-locked loop domains: PLL0 generates the stable 80 MHz system clock for CPU and peripherals, while PLL1 provides the FM modulation domain clock for computational shell isolation - both configurable via MC_CGM registers without runtime conflict.
Is the 64 KB data flash sector capable of EEPROM emulation with wear leveling?
Yes - the 64 KB data flash is partitioned into multiple RWW (Read-While-Write) blocks and supports hardware-accelerated EEPROM emulation using ST's SPC5 Flash Driver Library v3.2.1, enabling >100k write cycles per logical address with background wear leveling managed in ROM-resident firmware.
SPC582B50E1CG00X 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:
- 512KB (512K 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:
SPC582B50E1CG00X FAQ
1.How can I place an order for SPC582B50E1CG00X through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC582B50E1CG00X 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 SPC582B50E1CG00X reliable?
The price and inventory of SPC582B50E1CG00X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC582B50E1CG00X is usually 5 days.
3.What payment methods are accepted for SPC582B50E1CG00X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC582B50E1CG00X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC582B50E1CG00X?
SPC582B50E1CG00X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC582B50E1CG00X 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 SPC582B50E1CG00X?
For technical support, including SPC582B50E1CG00X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC582B50E1CG00X requirements.
6.How does Aetrix verify that SPC582B50E1CG00X is sourced from the original manufacturer or authorized distributors?
All SPC582B50E1CG00X 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 SPC582B50E1CG00X meets industry standards.
7.What is the process for return or replacement of SPC582B50E1CG00X?
All SPC582B50E1CG00X units undergo pre-shipment inspection (PSI). If there is an issue with SPC582B50E1CG00X, 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 SPC582B50E1CG00X part is unused and in its original packaging.
Return procedure for SPC582B50E1CG00X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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