STM32MP157FAD7 - Dual Cortex-A7 + M4 MPU | STMicroelectronics
MPN: STM32MP157FAD7 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 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 |
Drop-in alternatives for STM32MP157FAD7 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:
STM32MP157FAD1
β Drop-Inπ Reference alternative (not in catalog)
STM32MP157FAD7-Q1
β Drop-Inπ Reference alternative (not in catalog)
STM32MP157FAD7
β Drop-Inβ 99,999 In Stock
$16.8 / Unit
View Datasheet βSTM32MP157FAD7
β Drop-Inβ 99,999 In Stock
$16.8 / Unit
View Datasheet βSTM32MP157FAD7 Maximum Ratings & Electrical Characteristics
| 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) |
| Program Memory Size | [DATA_NEEDED: External memory size supported] |
| 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 |
| Operating Temperature | -40Β°C to +125Β°C |
| Package | LFBGA-448 (18x18 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount |
| Supply Voltage | 3.3V (I/O), 1.8V (core) [DATA_NEEDED: exact range] |
| RoHS Status | Compliant |
STM32MP157FAD7 Pin Configuration
| Pin A1 | VDD β Core power supply (1.8V) |
| Pin A2 | VSS β Ground |
| Pin B1 | PA0 β GPIO / ADC input |
| Pin B2 | PA1 β GPIO / ADC input |
| Pin C1 | VDD_IO β I/O power supply (3.3V) |
| Pin C2 | VSS β Ground |
| Pin D1 | PB0 β GPIO / Timer |
| Pin D2 | PB1 β GPIO / Timer |
| Pin E1 | VDD_3V3 β 3.3V power supply |
| Pin E2 | VSS β Ground |
| Pin F1 | PC0 β GPIO / ADC |
| Pin F2 | PC1 β GPIO / ADC |
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
STM32MP157FAD7 is suitable for 6 applications: 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 (-40Β°C to +125Β°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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for STM32MP157FAD7 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 | -40Β°C to +125Β°C | -40Β°C to +125Β°C | -40Β°C to +125Β°C |
Key Differentiators
- Heterogeneous dual-core architecture (vs STM32MP157FAD1)
- Automotive grade option (vs STM32MP157FAD7-Q1)
- Extended temperature range (vs STM32MP157CAC3)
Design Notes
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 15Β°C/W (theta_JA) with proper PCB design. For high-power applications, consider adding a heatsink or forced airflow.
Compliance Information
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified for standard version; choose -Q1 variant for automotive.