STM32L4P5RET6XXX STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock
STM32L4P5RET6XXX is an ultra-low-power 32-bit Arm Cortex-M4 microcontroller with FPU delivering 150 DMIPS at up to 120 MHz. Integrates up to 1 MB Flash, 320 KB SRAM, LCD-TFT controller, and external SMPS support. Designed for battery-powered wearables, IoT nodes, and graphical HMI applications requiring high performance with minimal energy consumption.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat Packages
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- STM32L4P5RET6XXX Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STM32L4P5RET6XXX?
- 32-bit Arm Cortex-M4 core with FPU at up to 120 MHz, delivering 150 DMIPS
- Up to 1 MB Flash and 320 KB SRAM for complex firmware and data buffering
- Integrated LCD-TFT controller for graphical display in embedded HMI designs
- External SMPS support for ultra-low dynamic power consumption
- Rich peripherals: ADC, DAC, DMA, SPI, I2C, UART, USB
- Ultra-low-power modes enabling multi-year coin-cell battery operation
What is STM32L4P5RET6XXX used for?
The STM32L4P5RET6XXX targets battery-powered IoT sensor nodes, smart wearables, and portable medical devices where Arm Cortex-M4 compute performance must coexist with microamp-level sleep currents. Its integrated LCD-TFT controller and 320 KB SRAM allow direct driving of color display panels without an external graphics controller, reducing BOM cost in HMI terminals and e-health monitors. The device also serves industrial wireless sensor nodes and building-automation controllers that need USB connectivity, multiple communication peripherals, and fast ADC sampling in a compact LQFP-64 footprint.
What are the specifications of STM32L4P5RET6XXX?
| Date Of Intro | 2020-04-08 |
| YTEOL | 8.21 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M4 |
| Clock Frequency-Max | 48MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| Format | FLOATING POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-PQFP-G64 |
| Low Power Mode | YES |
| Number of DMA Channels | 14 |
| Number of External Interrupts | 16 |
| Number of I/O Lines | 52 |
| Number of Serial I/Os | 5 |
| Number of Timers | 14 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP64,.47SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH |
| RAM (bytes) | 458752 |
| ROM (words) | 524288 |
| ROM Programmability | FLASH |
| Speed | 120MHz |
| Supply Current-Max | 26mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 1.8V |
| Supply Voltage-Nom | 1.8V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.25 |
| Country of Origin | Mainland China, Taiwan |
Where can I find the STM32L4P5RET6XXX datasheet?
STM32L4P5RET6XXX Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STM32L4P5RET6XXX?
Compatible alternatives and drop-in replacements for STM32L4P5RET6XXX:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 120MHz, CMOS, PQFP64
Frequently Asked Questions
How does the STM32L4P5RET6XXX balance 150 DMIPS processing power with ultra-low-power operation for IoT edge devices?
The STM32L4P5RET6XXX runs the Cortex-M4 core at up to 120 MHz with 150 DMIPS while offering stop modes with current consumption below 1 µA, enabling aggressive duty-cycle strategies in IoT edge nodes. By waking only for periodic sensor reads and then returning to stop mode, a design powered by a 200 mAh coin cell can sustain years of operation, making it a practical choice for remote environmental monitoring stations.
Which display resolutions can the integrated LCD-TFT controller in the STM32L4P5RET6XXX support, and does it require external frame-buffer memory?
The LCD-TFT controller supports display resolutions up to 800 × 480 pixels at standard color depths, but with 320 KB internal SRAM, practical frame buffers are limited to smaller panels such as 240 × 240 at 16-bit color without external PSRAM. For larger displays, an external SMPS-powered PSRAM connected via the flexible memory controller (FMC) can extend frame-buffer space, enabling 480 × 272 at 24-bit color in embedded HMI terminals.
For a compact wearable design, what package option and pin count does the STM32L4P5RET6XXX offer, and how does that compare to the STM32L4R5 in the same family?
The STM32L4P5RET6XXX is available in an LQFP-64 package with 64 pins, providing a good balance of I/O count and board area for wrist-worn devices. Compared to the STM32L4R5ZIT6 in LQFP-144 (144 pins), the 64-pin variant has fewer GPIO but the same Cortex-M4 core at 120 MHz and 1 MB Flash, making it suitable when the design does not require more than 50 user-accessible I/O signals.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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