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STMicroelectronics STM32MP157AAB3
- Part No.:
- STM32MP157AAB3
- Manufacturer:
- STMicroelectronics
- Category:
- Microprocessors
- Package:
- 354-LFBGA
- Datasheet:
-
STM32MP157AAB3.pdf
- Description:
- IC MPU STM32MP1 650MHZ 354LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,838
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Product details
Overview
STM32MP157AAB3 from STMicroelectronics is a dual-core Arm® Cortex®-A7 (800 MHz) + Cortex®-M4 microprocessor unit with 3D GPU, TFT/DSI display support, 37 communication interfaces including dual CAN FD and Gigabit Ethernet, and 29 timers - deployed in industrial HMIs, edge AI gateways, and secure IoT edge controllers requiring Linux-capable processing with real-time co-processing.
For engineers reviewing the STM32MP157AAB3 datasheet, STM32MP157AAB3 pinout, STM32MP157AAB3 application, or STM32MP157AAB3 equivalent, key selection considerations include dual-core Linux/RTOS partitioning, TrustZone®-secured peripheral isolation, DDR3/LPDDR3 memory controller timing, and TFBGA361 (12 × 12 mm, 0.5 mm pitch) mechanical integration constraints.
Technical Context
The device implements a heterogeneous dual-core architecture: two Cortex®-A7 cores run Linux in non-secure world with 256 KB unified L2 cache and Arm® NEON™ acceleration, while the Cortex®-M4 (209 MHz) handles deterministic real-time tasks in secure world, isolated via TrustZone® peripherals and ETZPC memory protection.
Its interconnect matrix comprises a 64-bit AXI bus (266 MHz) for high-bandwidth CPU-to-GPU/DDR traffic and a 32-bit AHB bus (209 MHz) for peripheral access; six fractional PLLs provide independent clock domains for CPU, GPU, DDR, USB, DSI, and audio subsystems with jitter control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Cores | Dual Arm® Cortex®-A7 @ 800 MHz + single Cortex®-M4 @ 209 MHz - enables Linux OS + real-time RTOS coexistence with hardware-isolated memory spaces. |
| GPU | Vivante® GC320 3D GPU (OpenGL® ES 2.0), 26 Mtriangle/s - supports UI rendering up to Full HD (1920×1080@30 fps) with hardware-accelerated compositing. |
| Memory Interface | LPDDR2/LPDDR3-1066 or DDR3/DDR3L-1066, 16/32-bit bus - delivers up to 1 Gbyte external RAM with configurable ECC and low-latency access for multimedia workloads. |
| Communication Peripherals | 2× CAN FD (1× TTCAN), 6× I2C, 8× UART/USART, 6× SPI, 4× SAI, 3× SDMMC, 1× Gigabit Ethernet GMAC - meets industrial fieldbus, audio streaming, and high-speed storage requirements. |
| Analog Peripherals | 2× 16-bit ADCs (up to 3.6 Msps), 2× 12-bit DACs (1 MHz), DFSDM with 8 channels - enables precision sensor acquisition and sigma-delta motor control feedback. |
| Security | Arm® TrustZone®, active tamper detection, 3072-bit fuses (96-bit UID), HASH/HMAC, dual TRNG - provides hardware-rooted secure boot, encrypted firmware update, and runtime attestation. |
| Package | TFBGA361 (12 × 12 mm, 0.5 mm pitch, B031 marking) - RoHS-compliant ECOPACK2 package with validated thermal resistance (θJA = 28.5 °C/W). |
Pinout & Package
STM32MP157AAB3 uses a 361-ball TFBGA package (12 × 12 mm, 0.5 mm pitch, B031 variant) with 176 general-purpose I/Os - including 8 secure GPIOs, 6 wakeup pins, and dedicated balls for DDR3/LPDDR3 interface, DSI, HDMI-CEC, and Gigabit Ethernet PHY routing.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_DDR | DDR I/O supply | 1.2 V or 1.35 V regulated supply for DDR3/LPDDR3 interface; requires low-noise decoupling per JEDEC spec. |
| NRST_CORE | Cortex-A7/M4 reset input | Asynchronous active-low reset for both application and real-time cores; synchronized internally to avoid metastability. |
| BOOT0 | Boot mode selection | Strapped high/low at power-up to select boot source (FSMC, QSPI, SDMMC, USB, or UART) - determines initial firmware execution path. |
| ETH_MDIO / ETH_MDC | Gigabit Ethernet management interface | IEEE 802.3-compliant MDIO/MDC pair for PHY register configuration and status polling during link initialization. |
| DSI_D0P / DSI_D1P | MIPI DSI data lanes | Differential 1 Gbps data pairs for driving high-resolution displays; require controlled impedance (100 Ω differential) PCB routing. |
| USB_OTG_HS_DP / DM | High-speed USB OTG differential pair | Full-speed/high-speed USB 2.0 transceiver interface; internal PHY with 1.8 V supply (REG1V8) and ESD protection. |
Key Features
| Feature | Design Value |
|---|---|
| TrustZone®-enabled peripheral isolation | ETZPC enforces secure/non-secure access permissions on all peripherals - prevents unauthorized DMA or register access from Linux user space. |
| Dual-domain power management | Independent LDOs for RETRAM, BKPSRAM, DSI, USB, and 1.1 V core - enables selective domain retention during Stop/Standby modes. |
| Hardware-accelerated crypto | HASH (SHA-256, HMAC) + dual TRNG (3-oscillator entropy sources) - achieves 100+ Mbps authenticated encryption without CPU overhead. |
| Advanced timer subsystem | 29 timers including 2× 32-bit quadrature encoder inputs, 2× advanced motor control timers, RTC with sub-second accuracy - supports servo motion control and time-synchronized sensor fusion. |
| Flexible display interface | LTDC + MIPI DSI + HDMI-CEC - allows simultaneous RGB888 TFT and DSI panel output with hardware layer blending and gamma correction. |
Applications
| Industrial HMI | Edge AI Gateway |
|---|---|
Use Scenario: Touch-enabled factory floor operator panel with real-time machine status visualization and local PLC command injection. IC Role / Device Role / Timing Role: MPU executes Qt-based Linux GUI on Cortex-A7 while Cortex-M4 processes Modbus RTU over UART and manages watchdog-triggered safe shutdown. Use Value: Dual-core separation ensures UI responsiveness remains unaffected during deterministic I/O scanning cycles; LTDC + DSI drives 1080p display at 60 fps with zero CPU load. | Use Scenario: Smart building gateway aggregating BLE/Zigbee sensor data, running lightweight ML inference, and forwarding to cloud via TLS-secured Ethernet. IC Role / Device Role / Timing Role: Cortex-A7 hosts Yocto Linux with TensorFlow Lite Micro; Cortex-M4 offloads sensor fusion (IMU + temp/humidity) and manages secure OTA updates via HASH+TRNG. Use Value: Hardware-accelerated SHA-256 and dual TRNG enable fast, side-channel-resistant firmware signature verification before execution. |
| Secure IoT Controller | Medical Imaging Terminal |
Use Scenario: HIPAA-compliant patient monitor collecting ECG, SpO₂, and temperature data with encrypted local storage and audit logging. IC Role / Device Role / Timing Role: Cortex-M4 acquires analog signals via 16-bit ADCs with DFSDM oversampling; Cortex-A7 runs Linux with encrypted SQLite database and TLS stack. Use Value: Active tamper detection and 3072-bit OTP fuses prevent physical probing attacks; TrustZone® isolates cryptographic keys from application software. | Use Scenario: Portable ultrasound imaging device requiring real-time beamforming, DICOM export, and high-fidelity color display. IC Role / Device Role / Timing Role: Vivante GPU renders DICOM grayscale overlays; DCMI captures 140 MB/s camera data; SAI interfaces with clinical-grade audio alert system. Use Value: 64-bit AXI interconnect sustains >1.2 GB/s bandwidth between DDR3, GPU, and DCMI - eliminates frame drop during live scan streaming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core MPU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP i.MX 8M Mini (LQM) | Quad Cortex-A53 + Cortex-M4, no integrated 3D GPU, supports LPDDR4 but not DDR3 | Better multi-threaded Linux performance; lacks TFT/DSI display controller and analog peripherals | Select when prioritizing ARMv8 application throughput over embedded graphics or mixed-signal integration. |
| Renesas RZ/G2L (R9A07G043L2) | Dual Cortex-A55 + Cortex-M33, Mali-G31 GPU, supports LPDDR4X only, no CAN FD | Higher IPC efficiency and lower dynamic power; missing TTCAN, HDMI-CEC, and DFSDM for motor control | Select for battery-powered edge devices needing longer runtime and Armv8.2 security extensions, not industrial fieldbus connectivity. |
Compared with i.MX 8M Mini and RZ/G2L, STM32MP157AAB3 uniquely combines Linux-capable dual A7 cores, integrated 3D GPU, full CAN FD + TTCAN, and rich analog peripherals in a single TFBGA361 package - making it optimal for cost-sensitive, display-rich, and fieldbus-connected industrial edge systems.
Availability
STM32MP157AAB3 is available at Aetrix Electronics and suitable for industrial HMIs, edge AI gateways, and secure IoT edge controllers requiring stable component supply across extended product lifecycles.
Supply support for STM32MP157AAB3 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and automotive chips since 1987.
The STM32MP series targets Linux-capable embedded applications requiring real-time co-processing, graphical UI, and industrial connectivity - bridging the gap between microcontrollers and application processors.
FAQ
What boot sources does STM32MP157AAB3 support?
STM32MP157AAB3 supports five primary boot sources selected via BOOT0/BOOT1 pins: Quad-SPI flash, parallel NOR/NAND (FSMC), SD/eMMC, USB device (DFU mode), and UART (for initial flashing). Each source maps to a specific memory region and initializes the ROM code loader before handing off to FSBL.
Does STM32MP157AAB3 include hardware support for secure firmware updates?
Yes - it integrates BSEC (Boot and Security Control) with one-time programmable fuses, HASH accelerators for SHA-256 signature verification, dual TRNG for key generation, and TrustZone®-protected execution environments to validate and decrypt firmware images before loading into DDR or internal SRAM.
What is the maximum resolution and refresh rate supported by the LTDC controller?
The LTDC controller supports up to WXGA (1366 × 768) at 60 fps or Full HD (1920 × 1080) at 30 fps with pixel clock up to 90 MHz. It includes two overlay layers, programmable color LUTs, and alpha blending - enabling smooth UI transitions without CPU intervention.
How many DDR3/LPDDR3 chip-select lines are available on STM32MP157AAB3?
STM32MP157AAB3 provides two independent DDR3/LPDDR3 chip-select outputs (CS0 and CS1), allowing connection of up to two discrete memory components or one dual-rank module. The DDRCTRL supports 16-bit or 32-bit data bus widths with configurable burst lengths and timing parameters.
STM32MP157AAB3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 354-LFBGA
- Series:
- STM32MP1
- Packaging:
- Tray
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A7
- Number of Cores/Bus Width:
- 2 Core, 32-Bit
- Speed:
- 209MHz, 650MHz
- Co-Processors/DSP:
- ARM® Cortex®-M4
- RAM Controllers:
- DDR3, DDR3L, LPDDR2, LPDDR3
- Graphics Acceleration:
- Yes
- Display & Interface Controllers:
- HDMI-CEC, LCD
- Ethernet:
- 10/100Mbps, GbE
- SATA:
- -
- USB:
- USB 2.0 (2), USB 2.0 OTG+ PHY (3)
- Voltage - I/O:
- 2.5V, 3.3V
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Security Features:
- ARM TZ
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 354-LFBGA (16x16)
- Additional Interfaces:
- CAN, Ethernet, I2C, MMC/SD/SDIO, SPDIF, SPI, UART, USB
STM32MP157AAB3 FAQ
1.How can I place an order for STM32MP157AAB3 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32MP157AAB3 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32MP157AAB3 reliable?
The price and inventory of STM32MP157AAB3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32MP157AAB3 is usually 5 days.
3.What payment methods are accepted for STM32MP157AAB3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32MP157AAB3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32MP157AAB3?
STM32MP157AAB3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32MP157AAB3 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32MP157AAB3?
For technical support, including STM32MP157AAB3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32MP157AAB3 requirements.
6.How does Aetrix verify that STM32MP157AAB3 is sourced from the original manufacturer or authorized distributors?
All STM32MP157AAB3 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32MP157AAB3 meets industry standards.
7.What is the process for return or replacement of STM32MP157AAB3?
All STM32MP157AAB3 units undergo pre-shipment inspection (PSI). If there is an issue with STM32MP157AAB3, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32MP157AAB3 part is unused and in its original packaging.
Return procedure for STM32MP157AAB3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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