SPC56EC70L7C9E0X - 32-bit MCU, 4MB Flash, 120MHz | STMicroelectronics
部品番号: SPC56EC70L7C9E0X ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 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 |
SPC56EC70L7C9E0X 概要
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and RAM), and programmable input/output peripherals on a single chip. In the automotive domain, MCUs like the SPC56EC70L7C9E0X are the central processing units for body control modules, gateway modules, and instrument clusters, managing functions such as lighting, window control, and network communication. The Power Architecture e200z4 core is a high-performance, low-power design that supports real-time control and complex algorithm execution, positioning this MCU within the broader hierarchy of embedded processors, from simple 8-bit controllers to advanced multi-core SoCs.
Key features of the SPC56EC70L7C9E0X include a 120 MHz e200z4 core with single-precision floating-point unit (FPU), 4 MB of flash with error correction code (ECC), and 256 KB of SRAM with ECC. It integrates multiple communication interfaces: 3 FlexCAN modules (with CAN FD support), 4 LIN/UART, 3 DSPI (SPI), 1 I2C, and 1 FlexRay controller. The device also includes a 10-bit ADC with up to 32 channels, a 16-bit timer system (eTimer), and a 6-channel PWM module. These peripherals enable robust real-time control and communication in automotive networks.
From a technical architecture perspective, the SPC56EC70L7C9E0X is built on ST's 90nm embedded flash process, balancing performance and power efficiency. The e200z4 core implements the Power Architecture Book E specification, supporting variable-length encoding (VLE) for code density and a memory management unit (MMU) for advanced operating systems. The flash memory features a prefetch buffer and a memory protection unit (MPU) to enhance execution speed and safety. The device is designed to meet ISO 26262 ASIL-B safety requirements, with built-in self-test (BIST) and a cyclic redundancy check (CRC) unit for data integrity.
Typical applications include automotive body control modules (BCM), gateway modules, instrument clusters, and heating, ventilation, and air conditioning (HVAC) control units. The SPC56EC70L7C9E0X is also used in industrial automation and motor control systems where high reliability and real-time performance are critical. Its wide operating temperature range (-40°C to +125°C) and AEC-Q100 qualification make it suitable for under-hood and passenger-compartment environments.
When designing with this MCU, ensure proper power supply decoupling with 100 nF capacitors close to each VDD pin and a bulk capacitor (e.g., 10 µF) on the main supply. The device requires a 3.3V core and I/O supply, with an internal voltage regulator for the core. For safety-critical applications, implement the built-in self-test (BIST) routines at startup and use the CRC unit for memory integrity checks. The FlexRay and CAN FD interfaces require external transceivers, so plan the PCB layout to minimize signal integrity issues on high-speed communication lines.
ドロップイン代替品: SPC56EC70L7C9E0X — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
SPC56EC70L7C9E0X
✅ ドロップイン✓ 在庫あり
$11.75 / 個
データシートを見る →SPC56EC64L7C9E0X
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
SPC56EC70L7C9E0X
✅ ドロップイン✓ 在庫あり
$11.75 / 個
データシートを見る →SPC56EC70L7C9E0X 最大定格＆電気的特性
| Core | e200z4 (Power Architecture) |
| Maximum Frequency | 120 MHz |
| Flash Memory | 4 MB |
| SRAM | 256 KB |
| Operating Voltage | 3.3 V |
| パッケージ | LQFP176 (24x24 mm) |
| 動作温度 | -40°C to +125°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 ピン構成
| ピン 1 | VDD — Core power supply (3.3V) |
| ピン 2 | VSS — Ground |
| ピン 3 | P0 — General purpose I/O |
| ピン 4 | P1 — General purpose I/O |
| ピン 5 | P2 — General purpose I/O |
| ピン 6 | P3 — General purpose I/O |
| ピン 7 | P4 — General purpose I/O |
| ピン 8 | P5 — General purpose I/O |
| ピン 9 | P6 — General purpose I/O |
| ピン 10 | P7 — General purpose I/O |
| ピン 11 | VDD — Core power supply (3.3V) |
| ピン 12 | VSS — Ground |
| ピン 13 | P8 — General purpose I/O |
| ピン 14 | P9 — General purpose I/O |
| ピン 15 | P10 — General purpose I/O |
| ピン 16 | P11 — General purpose I/O |
| ピン 17 | P12 — General purpose I/O |
| ピン 18 | P13 — General purpose I/O |
| ピン 19 | P14 — General purpose I/O |
| ピン 20 | P15 — General purpose I/O |
主な用途
SPC56EC70L7C9E0X の用途: 6 件s: 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.
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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.
おすすめ
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.
おすすめ
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.
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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.
おすすめ
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.
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おすすめ製品の概要
エンジニアリング参考データ: SPC56EC70L7C9E0X — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | 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 |
主な差別化要因
- 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)
設計ノート
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 µF 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.
コンプライアンス情報
AEC-Q100 qualified per STMicroelectronics. RoHS compliant. Halogen-free status not specified in provided data.
