SPC56EC70L7C9E0X - 32-bit MCU, 4MB Flash, 120MHz | STMicroelectronics
MPN: SPC56EC70L7C9E0X β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.8 | $168.00 |
| 100 | $14.2 | $1,420.00 |
| 500 | $12.9 | $6,450.00 |
| 1,000 | $11.75 | $11,750.00 |
Drop-in alternatives for SPC56EC70L7C9E0X β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
SPC56EC70L7C9E0X
β Drop-Inβ 99,999 In Stock
$11.75 / Unit
View Datasheet βSPC56EC64L7C9E0X
β Drop-Inπ Reference alternative (not in catalog)
SPC56EC70L7C9E0X
β Drop-Inβ 99,999 In Stock
$11.75 / Unit
View Datasheet βSPC56EC70L7C9E0X Maximum Ratings & Electrical Characteristics
| Core | e200z4 (Power Architecture) |
| Maximum Frequency | 120 MHz |
| Flash Memory | 4 MB |
| SRAM | 256 KB |
| Operating Voltage | 3.3 V |
| Package | LQFP176 (24x24 mm) |
| Operating Temperature | -40Β°C to +125Β°C |
| AEC-Q100 | Qualified |
| CAN Interfaces | 3x FlexCAN (with CAN FD) |
| LIN/UART | 4 |
| SPI (DSPI) | 3 |
| I2C | 1 |
| FlexRay | 1 |
| ADC | 10-bit, 32 channels |
| Timers | eTimer, PWM (6-ch) |
| RoHS | Compliant |
SPC56EC70L7C9E0X Pin Configuration
| Pin 1 | VDD β Core power supply (3.3V) |
| Pin 2 | VSS β Ground |
| Pin 3 | P0 β General purpose I/O |
| Pin 4 | P1 β General purpose I/O |
| Pin 5 | P2 β General purpose I/O |
| Pin 6 | P3 β General purpose I/O |
| Pin 7 | P4 β General purpose I/O |
| Pin 8 | P5 β General purpose I/O |
| Pin 9 | P6 β General purpose I/O |
| Pin 10 | P7 β General purpose I/O |
| Pin 11 | VDD β Core power supply (3.3V) |
| Pin 12 | VSS β Ground |
| Pin 13 | P8 β General purpose I/O |
| Pin 14 | P9 β General purpose I/O |
| Pin 15 | P10 β General purpose I/O |
| Pin 16 | P11 β General purpose I/O |
| Pin 17 | P12 β General purpose I/O |
| Pin 18 | P13 β General purpose I/O |
| Pin 19 | P14 β General purpose I/O |
| Pin 20 | P15 β General purpose I/O |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
SPC56EC70L7C9E0X is suitable for 6 applications: Automotive Body Control Module, Gateway Module, Instrument Cluster, HVAC Control Unit, Industrial Automation, Electric Vehicle Battery Management.
Automotive Body Control Module
The SPC56EC70L7C9E0X is ideal for body control modules (BCM) due to its 4 MB flash and 256 KB RAM, enabling complex software for lighting, window, and door control. Its 3 FlexCAN interfaces support CAN FD for high-speed communication with other ECUs. The AEC-Q100 qualification ensures reliability in harsh automotive environments. In a typical BCM, the MCU manages multiple loads via PWM outputs and reads switch inputs through the ADC, while communicating on the CAN bus. The large memory allows over-the-air update capability and data logging. Compared to smaller MCUs, the EC70 provides headroom for future feature additions without hardware redesign.
Recommended
Gateway Module
In automotive gateway modules, the SPC56EC70L7C9E0X serves as the central hub for communication between different network protocols (CAN, LIN, FlexRay). Its 3 FlexCAN modules and 1 FlexRay controller allow simultaneous handling of multiple networks. The 120 MHz core and 4 MB flash enable efficient routing and protocol conversion. The device's memory protection unit (MPU) enhances safety by isolating different software domains. In a gateway application, the MCU receives messages from one network and forwards them to another, requiring low latency and high throughput. The EC70's DMA controllers offload data transfer, reducing CPU load. The wide temperature range and AEC-Q100 qualification make it suitable for under-dash installation.
Recommended
Instrument Cluster
The SPC56EC70L7C9E0X is well-suited for instrument clusters, where it drives graphical displays and communicates with the vehicle's CAN bus. Its 4 MB flash stores high-resolution graphics and complex rendering algorithms. The 10-bit ADC reads analog sensors for fuel level and temperature gauges. The eTimer and PWM modules generate precise signals for stepper motors and LED backlighting. In a cluster application, the MCU receives vehicle data via CAN and updates the display in real-time. The high processing power ensures smooth animations and quick response to driver inputs. The device's low power modes help reduce battery drain when the vehicle is off.
Recommended
HVAC Control Unit
In HVAC (heating, ventilation, and air conditioning) control units, the SPC56EC70L7C9E0X manages temperature sensors, blower motors, and actuator positions. Its 10-bit ADC with 32 channels reads multiple temperature and pressure sensors. The PWM module controls blower motor speed and actuator positions with high precision. The LIN interfaces communicate with smart actuators and sensors. The MCU's robust design and wide temperature range ensure reliable operation in the passenger compartment. In a typical HVAC application, the MCU runs a control algorithm that adjusts airflow and temperature based on user settings and sensor feedback. The large flash memory allows storing calibration data and diagnostic routines.
Recommended
Industrial Automation
The SPC56EC70L7C9E0X is also used in industrial automation for motor control and process monitoring. Its 120 MHz core and FPU enable complex control algorithms like field-oriented control (FOC) for motors. The 3 DSPI interfaces connect to external ADCs, encoders, and communication modules. The FlexRay interface supports deterministic communication in industrial networks. The device's wide temperature range and high reliability make it suitable for factory floor environments. In a motor control application, the MCU generates PWM signals for the inverter and reads current sensors via the ADC. The eTimer provides precise timing for encoder feedback. The large memory allows storing multiple motor profiles and diagnostic data.
Recommended
Electric Vehicle Battery Management
In electric vehicle battery management systems (BMS), the SPC56EC70L7C9E0X monitors cell voltages, temperatures, and current. Its 10-bit ADC with 32 channels reads multiple analog signals from battery monitoring ICs. The CAN FD interfaces communicate with the vehicle's main controller and charging system. The device's safety features, including ECC on flash and SRAM, and CRC unit, ensure data integrity. The AEC-Q100 qualification and wide temperature range make it suitable for the harsh environment of a battery pack. In a BMS application, the MCU runs algorithms to estimate state of charge (SoC) and state of health (SoH), and controls contactors via GPIO. The large flash memory stores calibration data and fault logs.
Recommended
Recommended Products Summary
Engineering reference data for SPC56EC70L7C9E0X β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | SPC56EC64L7C9E0X | S32K148 |
|---|---|---|---|
| Package | LQFP176 | LQFP176 | LQFP144 |
| Brand | STMicroelectronics | STMicroelectronics | NXP Semiconductors |
| Core | e200z4 (Power Architecture) | e200z4 (Power Architecture) | Arm Cortex-M4F |
| Maximum Frequency | 120 MHz | 120 MHz | 112 MHz |
| Flash Memory | 4 MB | 1.5 MB | 2 MB |
| SRAM | 256 KB | 128 KB | 256 KB |
| CAN Interfaces | 3x FlexCAN (CAN FD) | 3x FlexCAN (CAN FD) | 3x FlexCAN (CAN FD) |
| AEC-Q100 | Qualified | Qualified | Qualified |
Key Differentiators
- Larger flash memory (4 MB) compared to SPC56EC64L7C9E0X (vs SPC56EC64L7C9E0X)
- Higher core frequency (120 MHz) than S32K148 (vs S32K148)
- Same package and pinout as SPC56EC64L7C9E0X (vs SPC56EC64L7C9E0X)
Design Notes
The SPC56EC70L7C9E0X requires a 3.3V supply for both core and I/O. Use a low-dropout regulator (LDO) with at least 500 mA capability to power the MCU and peripherals. Place 100 nF decoupling capacitors close to each VDD pin and a 10 Β΅F bulk capacitor on the main supply. For automotive applications, consider a battery-backed supply with reverse polarity protection.
For the LQFP176 package, ensure proper solder paste stencil design with 0.5 mm pitch. Use a 4-layer PCB with dedicated power and ground planes to minimize noise. Route high-speed communication lines (CAN, FlexRay) with controlled impedance and keep them away from high-current traces. Place the crystal oscillator close to the MCU and provide a ground guard ring.
Do not exceed the absolute maximum ratings, especially on VDD (3.6V max). Ensure the reset pin is properly pulled up and has a capacitor for reliable power-on reset. For safety-critical applications, implement the built-in self-test (BIST) at startup and use the CRC unit for memory integrity checks. Avoid floating unused I/O pins by configuring them as outputs or enabling internal pull-ups.
Compliance Information
AEC-Q100 qualified per STMicroelectronics. RoHS compliant. Halogen-free status not specified in provided data.
