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STMicroelectronics STM32MP151CAA3
- Part No.:
- STM32MP151CAA3
- Manufacturer:
- STMicroelectronics
- Category:
- Microprocessors
- Package:
- 448-LFBGA
- Datasheet:
-
STM32MP151CAA3.pdf
- Description:
- IC MPU STM32MP1 650MHZ 448LFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:320
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Product details
Overview
STM32MP151CAA3 from STMicroelectronics is a dual-core Arm® Cortex®-A7 (800 MHz) + Cortex®-M4 (209 MHz) microprocessor unit with TrustZone®, 708 KB on-chip SRAM, LPDDR2/LPDDR3/DDR3 memory support up to 1 Gbyte, and integrated LCD-TFT controller supporting WXGA@60 fps. It delivers heterogeneous processing for Linux-capable edge devices requiring real-time control, graphics, and secure boot.
For engineers reviewing the STM32MP151CAA3 datasheet, STM32MP151CAA3 pinout, STM32MP151CAA3 application, or STM32MP151CAA3 equivalent, key selection criteria include dual-core asymmetric architecture, DDR memory interface timing, TrustZone-enabled peripheral isolation, and TFT display controller pixel clock (up to 90 MHz) for industrial HMI designs.
Technical Context
The device implements a tightly coupled dual-core architecture: the Cortex-A7 subsystem runs Linux with NEON and L2 cache (256 KB), while the Cortex-M4 handles deterministic real-time tasks with FPU and MPU. Inter-processor communication uses IPCC and hardware semaphores (HSEM).
Memory hierarchy includes AXI SYSRAM (256 KB), AHB SRAM (384 KB + 64 KB backup), and flexible external interfaces - DDRCTRL supports LPDDR3-1066 (32-bit), FMC enables NAND/SRAM, and QUADSPI provides dual-mode serial flash access. Clocking relies on five fractional PLLs and independent oscillators (HSI/CSI/HSE/LSE).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Dual-core: Arm Cortex-A7 @ 800 MHz + Cortex-M4 @ 209 MHz - enables Linux + RTOS coexistence |
| On-chip SRAM | 708 KB total: 256 KB AXI SYSRAM + 384 KB AHB SRAM + 64 KB Backup SRAM + 4 KB Backup domain SRAM |
| External Memory Support | LPDDR2/LPDDR3-1066 or DDR3/DDR3L-1066, up to 1 Gbyte, 16/32-bit bus - validated for eMMC boot and high-bandwidth framebuffer |
| Graphics Interface | LCD-TFT controller with dual layers, programmable LUT, up to 90 MHz pixel clock - supports WXGA (1366×768) @60 fps or Full HD (1920×1080) @30 fps |
| Crypto Acceleration | AES-128/192/256, TDES, SHA-1/224/256, HMAC, two TRNGs - enables secure boot and encrypted firmware updates |
| Security Features | Arm TrustZone®, secure boot, BSEC OTP fuses (3072-bit), active tamper detection, ETZPC peripheral protection |
| Low-power Modes | Standby mode draws 2 µA (no RTC/LSE/BKPSRAM/RETRAM); DDR retention supported - suitable for battery-backed industrial gateways |
Pinout & Package
STM32MP151CAA3 is housed in a TFBGA361 package (12 × 12 mm, 0.5 mm pitch), RoHS-compliant and ECOPACK2 certified. Ball count: 361. Thermal resistance θJA = 23.5 °C/W (JEDEC standard board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDCORE | Core power supply | 1.1 V ±5% supply for CPU cores and internal logic; requires low-noise regulation |
| VDDIO | I/O power supply | 1.71–3.6 V tolerant; supports 5 V-tolerant I/Os for legacy interface compatibility |
| NRST | System reset input | Active-low asynchronous reset; monitored by embedded POR/PDR/PVD circuitry |
| BOOT0 | Boot mode selection | Configures primary boot source (eMMC, SD, SPI NOR, NAND) at power-up |
| CLKIN | External clock input | Accepts 8–48 MHz HSE crystal or oscillator for system clock derivation via PLLs |
| DCMI_D0–D13 | Parallel camera interface data | 14-bit wide, up to 140 MB/s throughput - supports OV5640, AR0135, and similar MIPI-bridge sensors |
| LTDC_R0–R7/G0–G7/B0–B7 | TFT RGB data bus | 24-bit parallel output; timing configurable for custom panel resolution and refresh rate |
Key Features
| Feature | Design Value |
|---|---|
| Heterogeneous dual-core execution | Independent Cortex-A7 (Linux) and Cortex-M4 (RTOS) domains with shared memory and IPCC-based messaging |
| TrustZone-enabled peripheral isolation | ETZPC enforces secure/non-secure access to peripherals; TZC secures DDR address space |
| Flexible memory expansion | FMC supports SLC NAND (8-bit ECC), SRAM, PSRAM; QUADSPI enables XIP from serial flash |
| Hardware-accelerated audio/video | Four SAI interfaces (I2S/PDM/SPDIF), SPDIFRX with 4 inputs, and DFSDM with 8 channels for sensor preprocessing |
| Industrial-grade timer suite | 25 timers including 2 advanced motor-control timers (TIM1/TIM8), 10 general-purpose, 5 low-power, and RTC with sub-second accuracy |
Applications
| Industrial HMI | Smart Gateway |
|---|---|
Use Scenario: Touch-enabled operator panel in factory automation with local visualization and remote cloud telemetry. IC Role / Device Role / Timing Role: MPU executes Linux-based Qt application, drives 7-inch WVGA TFT via LTDC, and manages CAN/Ethernet connectivity. Use Value: Dual-core separation ensures UI responsiveness (A7) while M4 handles real-time PLC I/O scanning without jitter. | Use Scenario: Edge gateway aggregating Modbus RTU, BLE, and LoRaWAN sensor data before forwarding to AWS IoT Core. IC Role / Device Role / Timing Role: Cortex-A7 hosts containerized MQTT broker and TLS stack; Cortex-M4 manages low-latency radio MAC layer and crypto offload. Use Value: Integrated AES/HASH accelerators reduce CPU load during TLS handshake; DDR retention in Standby enables instant wake-on-sensor-event. |
| Medical Display Terminal | Automotive Infotainment Prototype |
Use Scenario: Portable ultrasound viewer with HDMI output, touch UI, and battery-backed settings storage. IC Role / Device Role / Timing Role: LTDC renders grayscale B-mode images; dual ADCs digitize analog beamformer outputs; backup SRAM preserves calibration data. Use Value: 16-bit ADCs (up to 3.6 Msps) capture RF echo signals with >70 dB SNR; VREFBUF ensures stable reference for precision acquisition. | Use Scenario: Development platform for IVI head unit evaluating Android Automotive OS with rear-seat entertainment. IC Role / Device Role / Timing Role: Cortex-A7 runs Android framework; SAI interfaces drive multi-zone audio; GMAC supports time-sensitive networking (TSN) via IEEE 1588v2 hardware timestamping. Use Value: Gigabit Ethernet with hardware PTP enables deterministic audio/video streaming across vehicle network; TrustZone isolates safety-critical CAN FD stack from infotainment OS. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core MPU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32MP153CAA3 | Includes dual 32-bit DDR3/LPDDR3 controllers (vs. single in MP151); adds second USB HS PHY and enhanced crypto (PKA) | Required for dual-channel DDR memory topology or PKA-accelerated RSA/ECC key generation | Select when DDR bandwidth >1.6 GB/s or asymmetric crypto offload is mandatory |
| i.MX 8M Mini (LPC55S69) | Quad-core Cortex-A53 + Cortex-M4F; lacks TrustZone-peripheral isolation; different DDR PHY tuning and pinout | Better for Android-based multimedia but less suited for safety-certifiable RTOS co-execution | Prefer for cost-sensitive consumer media hubs where Linux performance dominates over security partitioning |
Compared with STM32MP151CAA3, STM32MP153CAA3 adds DDR redundancy and PKA acceleration for higher-security boot chains, while i.MX 8M Mini trades TrustZone granularity for raw A53 throughput - making MP151 optimal for balanced industrial HMI where deterministic M4 latency and peripheral-level security outweigh peak CPU speed.
Availability
STM32MP151CAA3 is available at Aetrix Electronics and suitable for industrial HMIs, smart gateways, medical display terminals, and automotive infotainment prototypes requiring stable component supply across multi-year production cycles.
Supply support for STM32MP151CAA3 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 analog/mixed-signal products for industrial, automotive, and consumer markets.
The STM32MP series targets heterogeneous computing at the intelligent edge, combining Linux-capable application processing with real-time MCU functionality - specifically engineered for resource-constrained industrial and medical devices needing security, graphics, and long-term availability.
FAQ
What boot sources does STM32MP151CAA3 support?
STM32MP151CAA3 supports boot from eMMC, SD card, SPI NOR flash, Quad-SPI flash, NAND flash (SLC), and USB mass storage. Boot mode is selected via BOOT0 and BOOT1 pins at power-up, with fallback to serial loader if no valid image is found. The BSEC OTP block stores boot configuration and root-of-trust keys.
Does STM32MP151CAA3 require an external PMIC?
No - STM32MP151CAA3 integrates multiple on-die LDOs (1.1 V core, 1.8 V USB, 1.8 V RETRAM, 0.9 V backup regulator) and supports direct connection to single 3.3 V or adjustable DC-DC input. An external PMIC is optional for advanced power sequencing or efficiency optimization in battery-powered designs.
How is TrustZone implemented on this MPU?
TrustZone is implemented at both system and peripheral levels: the Cortex-A7 cores include TrustZone security extensions; ETZPC enforces secure/non-secure access permissions per peripheral; TZC gates DDR memory accesses; and BSEC manages secure boot and OTP fusing. The Cortex-M4 operates in the secure world by default and can be configured as a secure monitor.
What is the maximum resolution 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 features dual layers, alpha blending, color LUTs, and dithering - enabling overlay-based UIs and video playback on industrial panels without external graphics accelerator.
STM32MP151CAA3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 448-LFBGA
- Series:
- STM32MP1
- Packaging:
- Tray
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A7
- Number of Cores/Bus Width:
- 1 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 (TA)
- Grade:
- -
- Qualification:
- -
- Security Features:
- ARM TZ
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 448-LFBGA (18x18)
- Additional Interfaces:
- CAN, Ethernet, I2C, MMC/SD/SDIO, SPDIF, SPI, UART, USB
STM32MP151CAA3 FAQ
1.How can I place an order for STM32MP151CAA3 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32MP151CAA3 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 STM32MP151CAA3 reliable?
The price and inventory of STM32MP151CAA3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32MP151CAA3 is usually 5 days.
3.What payment methods are accepted for STM32MP151CAA3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32MP151CAA3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32MP151CAA3?
STM32MP151CAA3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32MP151CAA3 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 STM32MP151CAA3?
For technical support, including STM32MP151CAA3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32MP151CAA3 requirements.
6.How does Aetrix verify that STM32MP151CAA3 is sourced from the original manufacturer or authorized distributors?
All STM32MP151CAA3 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 STM32MP151CAA3 meets industry standards.
7.What is the process for return or replacement of STM32MP151CAA3?
All STM32MP151CAA3 units undergo pre-shipment inspection (PSI). If there is an issue with STM32MP151CAA3, 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 STM32MP151CAA3 part is unused and in its original packaging.
Return procedure for STM32MP151CAA3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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