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STMicroelectronics SPC56EC64L7C9ECY
- Part No.:
- SPC56EC64L7C9ECY
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 176-LQFP
- Datasheet:
-
SPC56EC64L7C9ECY.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 176LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,533
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Product details
Overview
SPC56EC64L7C9ECY from STMicroelectronics is a 32-bit automotive MCU based on the Power Architecture® e200z4d core, operating at up to 120 MHz (200 MIPs), with 1.5 MByte on-chip Flash (ECC-protected), 256 KByte SRAM (ECC), and integrated FlexCAN, DSPI, LINFlex, Ethernet, and CSE cryptographic engine. It targets body electronics control units requiring ASIL-B compliance, real-time PWM-synchronized ADC for lighting, and multi-channel communication in harsh environments.
For engineers reviewing the SPC56EC64L7C9ECY datasheet, SPC56EC64L7C9ECY pinout, SPC56EC64L7C9ECY application, or SPC56EC64L7C9ECY equivalent, key selection criteria include dual-core timing architecture (e200z4d + e200z0h), 6 FlexCAN interfaces with 64-message buffers each, 8-channel DSPI, Fast Ethernet Controller (MII), and safety features including MPU, Memory BIST, and SWT watchdog.
Technical Context
This MCU integrates two independent Power Architecture® cores: a high-performance e200z4d (120 MHz) for main application tasks and a dedicated e200z0h (80 MHz) for safety-critical or real-time background functions. Core coupling is managed via shared memory with ECC and a 16-entry MPU enforcing domain isolation.
The peripheral set is optimized for automotive body domain integration: eMIOS supports 64-channel PWM/MC/IC/OC with advanced shifted PWM generation; dual ADC subsystems (10-bit + 12-bit) provide up to 90 total channels with synchronized sampling relative to PWM edges; and the Cryptographic Services Engine enables AES-128 encryption and secure boot verification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | e200z4d @ 120 MHz (200 MIPs) + e200z0h @ 80 MHz (75 MIPs) |
| Flash Memory | 1.5 MByte on-chip, ECC-protected, with user-selectable Memory BIST |
| SRAM | 256 KByte on-chip, ECC-protected |
| ADC System | Dual: 10-bit (62 ch) + 12-bit (62 ch), extendable to 90 ch total, with PWM-synchronized conversion |
| Communication | 6 × FlexCAN (64 msg buf each), 10 × LINFlex/UART, 8 × DSPI, 1 × Fast Ethernet (MII), 1 × FlexRay (dual-ch) |
| Safety Features | 16-entry MPU, Safety System Watchdog Timer (SWT), Clock Monitoring Unit (CMU), Nexus 3+ debug (LBGA only) |
| Operating Temp | −40 °C to +125 °C, qualified per AEC-Q100 Grade 1 |
| Supply Voltage | Single 3.3 V or 5 V supply; on-chip voltage regulator with external ballast transistor |
Pinout & Package
LQFP176 package (24 × 24 × 1.4 mm), RoHS-compliant ECOPACK®, rated for automotive temperature range (−40 °C to +125 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog Power Supply | 3.3 V or 5 V analog domain supply; decoupling required per datasheet layout guidelines |
| VSSA | Analog Ground | Dedicated analog reference ground plane; must be isolated from digital ground at single-point connection |
| RESET_B | Active-Low Reset Input | Asynchronous reset with internal pull-up; requires external RC filter per Figure 6/7 in datasheet |
| OSC_IN / OSC_OUT | External Crystal Oscillator Interface | Supports 4–40 MHz crystal; internal load caps configurable; used for primary clock source |
| ETH_MII_RXD[3:0] | Ethernet MII Receive Data | 4-bit parallel receive data bus for Fast Ethernet; synchronous to RX_CLK (25 MHz) |
| ETH_MII_TXD[3:0] | Ethernet MII Transmit Data | 4-bit parallel transmit data bus; driven synchronously with TX_CLK (25 MHz) |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 Differential I/O | Direct connection to external CAN transceiver; supports ISO 11898-2 compliant signaling |
| EMIOS_0_CH0..63 | eMIOS Channel I/O | Configurable as PWM output, input capture, output compare, or quadrature decoder; supports lighting PWM shifting |
Key Features
| Feature | Design Value |
|---|---|
| Advanced Lighting PWM | Hardware-shifted PWM generation with ADC conversion triggered precisely at PWM edge-enables closed-loop LED current regulation without CPU overhead |
| Dual-Core Timing Isolation | e200z4d handles application logic while e200z0h manages time-critical diagnostics and safety monitoring-eliminates software-based scheduling conflicts |
| Secure Boot & Crypto | Cryptographic Services Engine (CSE) performs AES-128 encryption/decryption and CMAC authentication during boot-prevents unauthorized firmware execution |
| Automotive Network Integration | 6 FlexCAN, 10 LINFlex, 1 FlexRay, and Fast Ethernet coexist with deterministic latency-supports gateway and domain controller topologies |
| Functional Safety Support | MPU, SWT, CMU, ECC on Flash/SRAM, and Memory BIST enable ASIL-B decomposition per ISO 26262 Part 5 |
Applications
| Body Control Module (BCM) | LED Headlamp Controller |
|---|---|
Use Scenario: Centralized vehicle body management including door locks, window lifts, interior lighting, and mirror controls. IC Role / Device Role / Timing Role: Primary application MCU executing CAN/LIN protocol stacks, sensor fusion, and actuator drivers with real-time response under 10 ms. Use Value: Integrated 6 FlexCAN interfaces eliminate external CAN controllers; 199 GPIOs (LBGA variant) support direct drive of relays and LEDs without buffer ICs. | Use Scenario: Adaptive driving beam (ADB) system regulating multiple high-power LED strings with thermal feedback and fault reporting. IC Role / Device Role / Timing Role: Real-time PWM generator and synchronized ADC acquisition unit-sampling current/voltage at exact PWM edges for precise current regulation. Use Value: Hardware-shifted PWM + ADC sync reduces CPU load by >40% vs. software-timed solutions; CSE ensures firmware integrity against tampering. |
| Automotive Gateway | Electronic Junction Box (EJB) |
Use Scenario: In-vehicle network bridge between powertrain, chassis, and infotainment domains using CAN, LIN, and Ethernet. IC Role / Device Role / Timing Role: High-throughput message router with hardware-accelerated CAN filtering, LIN master/slave arbitration, and MII Ethernet packet forwarding. Use Value: 64-message buffers per FlexCAN channel prevent message loss at 1 Mbps; Fast Ethernet enables OTA update delivery at ≥100 Mbps line rate. | Use Scenario: Distributed power distribution unit managing fusing, load switching, and diagnostics across 20+ vehicle subsystems. IC Role / Device Role / Timing Role: Fault-tolerant power manager with integrated high-side/low-side drivers, current sensing ADC, and watchdog supervision. Use Value: On-chip 256 KByte SRAM stores diagnostic logs during brownout; ultra-low-power STANDBY mode retains CAN ID sampling for wake-on-frame. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K344 | ARM Cortex-M7 core @ 320 MHz; 4 MB Flash; no integrated Ethernet MAC; uses SERDES for FlexRay | Targets higher ASIL-D safety integrity; lacks native MII Ethernet but supports TSN via external PHY | Select when ARM ecosystem tooling and AUTOSAR Classic/Adaptive support are mandatory |
| Renesas RH850/F1K | 32-bit RH850 core @ 120 MHz; 2 MB Flash; 4 FlexCAN; no Ethernet; supports CAN FD only | Focused on cost-sensitive body electronics without Ethernet requirements; stronger LIN integration | Select when CAN FD + LIN dominance outweighs need for Ethernet or cryptographic acceleration |
Compared with SPC56EC64L7C9ECY, the S32K344 offers higher compute throughput and broader AUTOSAR alignment but requires external Ethernet PHY and lacks hardware PWM-ADC sync; the RH850/F1K provides lower BOM cost and mature LIN stack support but omits Fast Ethernet and CSE-making SPC56EC64L7C9ECY optimal for Ethernet-enabled lighting/gateway designs requiring ASIL-B and crypto.
Availability
SPC56EC64L7C9ECY is available at Aetrix Electronics and suitable for automotive body control modules, LED headlamp controllers, electronic junction boxes, and gateway units requiring stable component supply across extended product lifecycles.
Supply support for SPC56EC64L7C9ECY 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, delivering automotive-grade MCUs, power devices, sensors, and analog ICs with AEC-Q100 qualification and ISO/TS 16949 manufacturing certification.
The SPC56ECxx series belongs to ST's automotive Power Architecture® MCU portfolio, designed specifically for body electronics and domain controller applications demanding functional safety, multi-protocol connectivity, and real-time deterministic performance in 125 °C environments.
FAQ
What is the maximum operating frequency of the SPC56EC64L7C9ECY's main CPU core?
The primary e200z4d core operates at up to 120 MHz, delivering 200 MIPs of processing performance. This frequency is achievable under recommended operating conditions (3.3 V or 5 V supply, −40 °C to +125 °C ambient), with FMPLL configuration and stable oscillator input. The secondary e200z0h core runs at up to 80 MHz for auxiliary or safety-monitoring tasks.
Does the SPC56EC64L7C9ECY support secure boot functionality?
Yes-it integrates a Cryptographic Services Engine (CSE) that performs AES-128 encryption/decryption and CMAC authentication during boot. Secure boot mode is enabled via fuse settings and verifies digital signatures of flash-resident firmware before execution, preventing unauthorized or corrupted code from loading.
How many CAN interfaces does the SPC56EC64L7C9ECY include, and what is their buffer capacity?
The device includes six FlexCAN modules, each with 64 message buffers. These buffers support full mailbox configuration for transmit/receive filtering, priority-based arbitration, and FIFO operation. All six CAN controllers are ISO 11898-1 compliant and support standard and extended identifiers at data rates up to 1 Mbps.
Is the SPC56EC64L7C9ECY pin-compatible with other members of the SPC56ECxx family?
No-pin compatibility is limited to same-package variants. SPC56EC64L7C9ECY uses LQFP176; it shares footprint and signal mapping with SPC56EC64L7 (same Flash size) but not with LBGA256 or LQFP208 variants. Pinouts differ across packages due to I/O count scaling (147–199 GPIOs) and peripheral routing constraints.
SPC56EC64L7C9ECY 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:
SPC56EC64L7C9ECY FAQ
1.How can I place an order for SPC56EC64L7C9ECY through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC56EC64L7C9ECY 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 SPC56EC64L7C9ECY reliable?
The price and inventory of SPC56EC64L7C9ECY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC56EC64L7C9ECY is usually 5 days.
3.What payment methods are accepted for SPC56EC64L7C9ECY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC56EC64L7C9ECY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC56EC64L7C9ECY?
SPC56EC64L7C9ECY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC56EC64L7C9ECY 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 SPC56EC64L7C9ECY?
For technical support, including SPC56EC64L7C9ECY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC56EC64L7C9ECY requirements.
6.How does Aetrix verify that SPC56EC64L7C9ECY is sourced from the original manufacturer or authorized distributors?
All SPC56EC64L7C9ECY 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 SPC56EC64L7C9ECY meets industry standards.
7.What is the process for return or replacement of SPC56EC64L7C9ECY?
All SPC56EC64L7C9ECY units undergo pre-shipment inspection (PSI). If there is an issue with SPC56EC64L7C9ECY, 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 SPC56EC64L7C9ECY part is unused and in its original packaging.
Return procedure for SPC56EC64L7C9ECY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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