SPC56EL70L3CBFSR - 32-bit MCU, 1.5MB Flash, 128KB RAM | STMicroelectronics
料号： SPC56EL70L3CBFSR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $10 | $1,000.00 |
| 500 | $9 | $4,500.00 |
| 1,000 | $8.1 | $8,100.00 |
SPC56EL70L3CBFSR 概述
A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It integrates a processor core, memory (flash and RAM), and programmable input/output peripherals on a single chip. MCUs are the backbone of modern automotive electronics, industrial automation, and IoT devices, providing the intelligence to control sensors, actuators, and communication interfaces. The SPC56EL70L3CBFSR belongs to the SPC56 family of 32-bit MCUs, which are part of STMicroelectronics' broader automotive microcontroller portfolio, positioned between entry-level 8-bit MCUs and high-end application processors.
Key features of the SPC56EL70L3CBFSR include a 120 MHz e200z4d core with single-precision floating-point unit (FPU), 1.5 MB flash with ECC, 128 KB RAM with ECC, and a rich set of peripherals including multiple CAN, LIN, SPI, and FlexRay interfaces. The device supports a wide operating voltage range of 3.3V to 5V and is qualified to AEC-Q100 Grade 1 (-40°C to +125°C), making it suitable for under-hood automotive applications. It also includes advanced safety features such as a memory protection unit (MPU), cyclic redundancy check (CRC) unit, and a fault collection and control unit (FCCU) for ISO 26262 functional safety compliance.
From a technical architecture perspective, the SPC56EL70L3CBFSR uses a dual-core lockstep configuration (e200z4d and e200z0h) to achieve high diagnostic coverage for safety-critical applications. The device integrates a 10-bit ADC with up to 32 channels, multiple timers (eTPU, eMIOS), and a crossbar switch for efficient data flow. The flash memory is organized into multiple banks, allowing read-while-write operations for firmware updates without halting the system. The MCU also supports low-power modes, including stop and standby, to reduce power consumption in battery-powered applications.
Typical applications include engine control units (ECUs), transmission control, body control modules, battery management systems (BMS), and industrial automation controllers. The combination of high-speed processing, extensive communication interfaces, and functional safety features makes it ideal for real-time control loops and safety-critical systems.
When designing with this device, ensure proper decoupling of the power supply pins and follow the layout guidelines in the datasheet to minimize noise and electromagnetic interference. The device requires a stable clock source, typically a 8-40 MHz crystal, and supports an internal RC oscillator for startup. For functional safety applications, implement the recommended self-test routines and use the FCCU to manage fault handling.
直接替换替代料： SPC56EL70L3CBFSR ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
SPC56EL70L3CBFSR
✅ 直接替换✓ 有现货
$8.1 / 个
查看数据手册 →SPC56EL70L3CBFSR
✅ 直接替换✓ 有现货
$8.1 / 个
查看数据手册 →SPC56EL70L3CBFSR
✅ 直接替换✓ 有现货
$8.1 / 个
查看数据手册 →MPC5643L
⚡ 相同封装 ⚠️ 规格未核验📋 参考替代料（不在目录中）
SPC56EL70L3CBFSR
✅ 直接替换✓ 有现货
$8.1 / 个
查看数据手册 →SPC56EL70L3CBFSR 最大额定值与电气特性
| Core | e200z4d (Power Architecture) |
| Core Frequency | 120 MHz |
| Flash Memory | 1.5 MB |
| RAM | 128 KB |
| 封装 | LQFP-144 |
| Operating Voltage | 3.3V to 5V |
| 工作温度 | -40°C to +125°C |
| AEC-Q100 | Grade 1 |
| ADC | 10-bit, 32 channels |
| CAN | 3x FlexCAN |
| LIN | 2x LIN |
| SPI | 3x DSPI |
| FlexRay | 1x FlexRay |
| Timers | eTPU, eMIOS |
| Functional Safety | ISO 26262 ASIL-B |
| RoHS | Compliant |
SPC56EL70L3CBFSR 引脚配置
| 引脚 1 | VDD — Digital power supply |
| 引脚 2 | VSS — Digital ground |
| 引脚 3 | VDDA — Analog power supply |
| 引脚 4 | VSSA — Analog ground |
| 引脚 5 | XTAL — Crystal oscillator input |
| 引脚 6 | EXTAL — Crystal oscillator output |
| 引脚 7 | RESET — Reset input |
| 引脚 8 | CAN0_TX — CAN0 transmit |
| 引脚 9 | CAN0_RX — CAN0 receive |
| 引脚 10 | LIN0_TX — LIN0 transmit |
| 引脚 11 | LIN0_RX — LIN0 receive |
| 引脚 12 | SPI0_SCK — SPI0 clock |
典型应用
SPC56EL70L3CBFSR 适用于 6 应用s: Engine Control Unit (ECU), Transmission Control Module, Battery Management System (BMS), Industrial Automation Controller, Body Control Module, Advanced Driver Assistance Systems (ADAS).
Engine Control Unit (ECU)
The SPC56EL70L3CBFSR is ideal for engine control units due to its 120 MHz e200z4d core, 1.5 MB flash, and advanced timers (eTPU, eMIOS) that handle real-time fuel injection and ignition timing. Its AEC-Q100 Grade 1 qualification ensures reliable operation in high-temperature engine compartments. The device's multiple CAN and LIN interfaces enable communication with other vehicle systems, while its functional safety features support ISO 26262 compliance for critical engine functions.
推荐
Transmission Control Module
In transmission control, the SPC56EL70L3CBFSR provides the processing power and peripherals needed for gear shifting algorithms and solenoid control. Its 10-bit ADC with 32 channels monitors pressure and speed sensors, while the eTPU handles precise PWM generation for hydraulic valves. The FlexRay interface supports high-speed, deterministic communication with other ECUs, making it suitable for advanced automatic transmissions.
推荐
Battery Management System (BMS)
The SPC56EL70L3CBFSR is well-suited for battery management systems in electric and hybrid vehicles. Its multiple ADC channels can monitor cell voltages and temperatures, while the CAN interface communicates with the vehicle's main controller. The device's low-power modes help conserve energy when the vehicle is idle, and its functional safety features ensure safe operation of the battery pack.
推荐
Industrial Automation Controller
For industrial automation, the SPC56EL70L3CBFSR offers high-speed processing and a rich set of communication interfaces (CAN, SPI, LIN) to interface with sensors, actuators, and PLCs. Its wide operating temperature range and robust design make it suitable for factory floor environments. The device's timers and PWM outputs can control motors and valves with precision, while its memory protection unit enhances system reliability.
推荐
Body Control Module
The SPC56EL70L3CBFSR can serve as the central controller for body electronics, managing lighting, windows, locks, and climate control. Its multiple LIN interfaces are ideal for connecting to smart actuators and sensors throughout the vehicle. The device's low-power modes help reduce battery drain when the vehicle is off, and its AEC-Q100 qualification ensures long-term reliability.
推荐
Advanced Driver Assistance Systems (ADAS)
In ADAS applications, the SPC56EL70L3CBFSR provides the computational power and safety features needed for sensor fusion and decision-making. Its FlexRay interface supports high-bandwidth communication with radar and camera modules, while its functional safety features (ISO 26262 ASIL-B) ensure reliable operation in safety-critical scenarios. The device's high-speed ADC can process analog sensor signals in real-time.
推荐
推荐产品汇总
工程参考数据： SPC56EL70L3CBFSR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | SPC56EL70L3CBFSR | MPC5643L |
|---|---|---|---|
| Package | LQFP-144 | LQFP-144 | LQFP-144 |
| Brand | STMicroelectronics | STMicroelectronics | NXP Semiconductors |
| Core Frequency | 120 MHz | 120 MHz | 120 MHz |
| Flash Memory | 1.5 MB | 1.5 MB | 1 MB |
| RAM | 128 KB | 128 KB | 128 KB |
| ADC Resolution | 10-bit | 10-bit | 10-bit |
| CAN Interfaces | 3x FlexCAN | 3x FlexCAN | 3x FlexCAN |
| FlexRay | 1x FlexRay | 1x FlexRay | 1x FlexRay |
关键差异点
- Higher flash memory capacity （对比 MPC5643L)
- Same-brand availability （对比 MPC5643L)
- Pin compatibility within family （对比 MPC5643L)
设计说明
Ensure stable power supply decoupling: place 100nF ceramic capacitors close to each VDD/VSS pair and a 10uF bulk capacitor near the power input. The device operates from 3.3V to 5V, so verify the supply voltage is within this range and has low ripple to avoid reset issues.
Follow the layout guidelines in the datasheet for the crystal oscillator: keep traces short and shielded, and place the crystal and load capacitors close to the XTAL/EXTAL pins. Use a ground plane to minimize noise and ensure proper grounding of the analog and digital sections.
The LQFP-144 package has a thermal resistance of approximately 30°C/W. For high-power applications, ensure adequate airflow or a heatsink. The maximum junction temperature is 150°C, so calculate power dissipation and verify the thermal budget.
合规信息
AEC-Q100 Grade 1 qualified. RoHS compliant per STMicroelectronics.
