STM32MP157FAD7 - Dual Cortex-A7 + M4 MPU | STMicroelectronics
N.º da peça: STM32MP157FAD7 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $25.5 | $25,50 |
| 10 | $23.2 | $232,00 |
| 100 | $20.1 | $2.010,00 |
| 500 | $18.3 | $9.150,00 |
| 1.000 | $16.8 | $16.800,00 |
STM32MP157FAD7 Visão geral
A microprocessor (MPU) is a complete processing unit that integrates one or more CPU cores, memory interfaces, and peripheral controllers on a single chip, distinct from a microcontroller (MCU) which typically has embedded flash and simpler peripherals. The STM32MP157FAD7 belongs to the class of heterogeneous multicore MPUs, which combine application-class cores (Cortex-A7) with a real-time core (Cortex-M4) to handle both high-level operating systems and time-critical tasks. This architecture enables a single chip to replace a multi-chip solution, reducing system cost and complexity.
Key features include a rich set of connectivity options: dual Ethernet (10/100/1000 Mbps), USB 2.0 OTG, multiple UARTs, SPI, I2C, CAN FD, and SDMMC interfaces. It also integrates a 3D GPU (OpenGL ES 2.0), a 2D graphics accelerator, and a display controller supporting up to 1080p resolution, making it suitable for human-machine interface (HMI) applications. The device supports external DDR3/DDR3L/LPDDR2 memory with a 16-bit bus, and includes a comprehensive security suite with cryptographic accelerators and secure boot.
The STM32MP157FAD7 is built on a 28nm FD-SOI process, offering a balance of performance and power efficiency. The dual Cortex-A7 cores provide up to 650 MHz each, while the Cortex-M4 runs at 209 MHz, enabling real-time control. The device includes a memory protection unit (MPU) for each core, ensuring isolation between the application and real-time domains. The power management unit (PMU) supports multiple low-power modes, including standby and shutdown, with wake-up sources from GPIO, RTC, and Ethernet.
Typical applications include industrial PLCs, smart gateways, medical monitoring devices, and advanced HMI systems. The combination of high-performance processing, rich connectivity, and real-time capabilities makes it ideal for edge computing nodes that require both Linux-based applications and deterministic control. For example, in a smart factory, the STM32MP157FAD7 can run a Linux-based HMI while simultaneously controlling a robotic arm via the Cortex-M4 core.
When designing with this device, careful attention must be paid to power sequencing and decoupling. The device requires multiple supply rails (VDD, VDD_IO, VDD_3V3, etc.) with specific power-up sequences. A dedicated PMIC (such as the STPMIC1) is recommended to manage the power rails and ensure proper sequencing. Additionally, the DDR memory interface requires careful PCB layout with controlled impedance and length matching to ensure signal integrity at high speeds.
Alternativas drop-in para STM32MP157FAD7 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM32MP157FAD7 (mesmo formato e footprint) — diferindo em Core Processor, Operating Temperature, Package, Number of Cores, Security.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM32MP157FAD1
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32MP157FAD7-Q1
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32MP157FAD7
✅ Drop-In✓ Em estoque
$16.8 / unidade
Ver ficha técnica →STM32MP157FAD7
✅ Drop-In✓ Em estoque
$16.8 / unidade
Ver ficha técnica →STM32MP157FAD7 Classificações máximas e características elétricas
| Core Processor | ARM Cortex-A7 dual-core + Cortex-M4 |
| Core Frequency | 650 MHz (A7) / 209 MHz (M4) |
| Number of Cores | 3 (2x A7 + 1x M4) |
| RAM Size | 708 KB (internal SRAM) |
| Program Memory Type | External (DDR3/DDR3L/LPDDR2) |
| Connectivity | Ethernet (10/100/1000), USB 2.0 OTG, UART, SPI, I2C, CAN FD, SDMMC |
| Peripherals | DMA, ADC, DAC, Timers, Watchdog, RTC |
| Graphics | 3D GPU (OpenGL ES 2.0), 2D GPU, Display Controller (1080p) |
| Security | Crypto/hash processor, Secure boot, TrustZone |
| Temperatura de operação | -40°C to +125°C |
| Encapsulamento | LFBGA-448 (18x18 mm, 0.8 mm pitch) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do STM32MP157FAD7
| Pino A1 | VDD — Core power supply (1.8V) |
| Pino A2 | VSS — Ground |
| Pino B1 | PA0 — GPIO / ADC input |
| Pino B2 | PA1 — GPIO / ADC input |
| Pino C1 | VDD_IO — I/O power supply (3.3V) |
| Pino C2 | VSS — Ground |
| Pino D1 | PB0 — GPIO / Timer |
| Pino D2 | PB1 — GPIO / Timer |
| Pino E1 | VDD_3V3 — 3.3V power supply |
| Pino E2 | VSS — Ground |
| Pino F1 | PC0 — GPIO / ADC |
| Pino F2 | PC1 — GPIO / ADC |
Aplicações típicas
STM32MP157FAD7 é adequado para 6 aplicaçãos: Industrial PLC, Smart Gateway, Medical Monitoring Device, Human-Machine Interface (HMI), Edge AI Node, Robotics Controller.
Industrial PLC
The STM32MP157FAD7 is ideal for industrial programmable logic controllers (PLCs) due to its dual-core Cortex-A7 for running Linux-based HMI and communication stacks, and the Cortex-M4 for real-time I/O control. The device supports EtherCAT, PROFINET, and other industrial protocols via its dual Ethernet ports. Its extended temperature range (-40°C to +125°C) ensures reliable operation in harsh factory environments. The integrated 3D GPU enables rich graphical interfaces for operator panels. With CAN FD and multiple UARTs, it can interface with various field devices. The security features (secure boot, crypto) protect against unauthorized firmware modifications, critical for industrial safety.
Recomendado
Smart Gateway
The STM32MP157FAD7 serves as a powerful smart gateway, connecting IoT devices to the cloud. Its dual-core Cortex-A7 can run Linux with Docker containers for edge computing, while the Cortex-M4 handles time-sensitive sensor data acquisition. The device supports multiple connectivity options: dual Ethernet for wired backhaul, USB 2.0 for peripheral devices, and SDMMC for local storage. The integrated crypto engine enables secure TLS/DTLS connections. With its low-power modes, it can operate efficiently in always-on gateway applications. The 3D GPU can render dashboards for local visualization. The device's ability to handle both application and real-time workloads reduces the need for separate MCUs, simplifying the gateway design.
Recomendado
Medical Monitoring Device
The STM32MP157FAD7 is suitable for medical monitoring devices such as patient monitors and diagnostic equipment. The Cortex-A7 cores can run a Linux-based user interface with touchscreen support, while the Cortex-M4 handles real-time signal processing from sensors (ECG, SpO2). The device's high-performance processing enables complex algorithms like ECG analysis and image processing. The security features ensure patient data privacy and compliance with medical regulations. The extended temperature range and long-term availability make it suitable for medical devices with a long lifecycle. The display controller supports high-resolution screens for clear waveform display. The device's low-power modes help extend battery life in portable monitors.
Recomendado
Human-Machine Interface (HMI)
The STM32MP157FAD7 excels in HMI applications, providing a rich graphical user interface with its 3D GPU and display controller supporting up to 1080p. The dual-core Cortex-A7 can run Linux with Qt or other GUI frameworks, while the Cortex-M4 handles touch input and real-time control. The device supports multiple display interfaces (RGB, MIPI-DSI) and touch controllers. Its connectivity options (Ethernet, USB, CAN) allow it to communicate with PLCs and other industrial equipment. The security features protect the HMI from unauthorized access. The extended temperature range makes it suitable for outdoor or harsh environments. The device's performance enables smooth animations and responsive touch response, enhancing user experience.
Recomendado
Edge AI Node
The STM32MP157FAD7 can serve as an edge AI node, running machine learning inference on the Cortex-A7 cores using frameworks like TensorFlow Lite. The Cortex-M4 can handle sensor preprocessing and real-time control. The device's GPU can accelerate neural network inference for image recognition. With its connectivity options, it can send results to the cloud or act locally. The security features ensure secure model updates and data protection. The device's low-power modes enable battery-powered edge nodes. The extended temperature range allows deployment in outdoor environments. The combination of processing power and real-time capabilities makes it ideal for predictive maintenance and anomaly detection in industrial settings.
Recomendado
Robotics Controller
The STM32MP157FAD7 is well-suited for robotics controllers, where the Cortex-M4 provides deterministic real-time control for motor drivers and sensors, while the Cortex-A7 runs high-level algorithms like path planning and vision. The device's multiple UARTs, SPI, and CAN interfaces allow connection to various actuators and sensors. The 3D GPU can render 3D models for simulation or visualization. The security features protect against unauthorized control. The extended temperature range ensures reliable operation in industrial robots. The device's performance enables complex control algorithms and sensor fusion. With its rich connectivity, it can communicate with other robots or a central server.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32MP157FAD7 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM32MP157FAD1 | STM32MP157FAD7-Q1 |
|---|---|---|---|
| Package | LFBGA-448 | LFBGA-448 - same | LFBGA-448 - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core Architecture | Dual Cortex-A7 + Cortex-M4 | Dual Cortex-A7 + Cortex-M4 | Dual Cortex-A7 + Cortex-M4 |
| Max CPU Frequency | 650 MHz (A7) / 209 MHz (M4) | 650 MHz (A7) / 209 MHz (M4) | 650 MHz (A7) / 209 MHz (M4) |
| Internal SRAM | 708 KB | 708 KB | 708 KB |
| Security Features | Crypto, Secure Boot | None | Crypto, Secure Boot |
| Automotive Grade | No | No | Yes (AEC-Q100) |
| Operating Temperature | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C |
Principais diferenciais
- Heterogeneous dual-core architecture (vs STM32MP157FAD1)
- Automotive grade option (vs STM32MP157FAD7-Q1)
- Extended temperature range (vs STM32MP157CAC3)
Notas de projeto
The STM32MP157FAD7 requires multiple power rails (VDD, VDD_IO, VDD_3V3, etc.) with specific power-up sequencing. Use a dedicated PMIC like the STPMIC1 to manage the rails and ensure correct sequencing. Refer to the datasheet's power-up sequence diagram for the exact order. Failure to follow the sequence can cause latch-up or damage.
For the DDR3/DDR3L memory interface, maintain controlled impedance (typically 50 ohms single-ended, 100 ohms differential) and match trace lengths to within 0.5 mm. Place the memory close to the MPU to minimize trace length. Use ground planes to reduce noise and ensure signal integrity. Refer to the STM32MP1 hardware design guidelines for detailed layout recommendations.
The STM32MP157FAD7 can dissipate significant power when both A7 cores are active. Ensure adequate thermal management by providing a thermal pad on the PCB and using vias to conduct heat to a ground plane. The LFBGA-448 package has a thermal resistance of approximately 15°C/W (theta_JA) with proper PCB design. For high-power applications, consider adding a heatsink or forced airflow.
Informações de conformidade
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified for standard version; choose -Q1 variant for automotive.
