STMicroelectronics STM32L4P5ZGT6P

Overview

STM32L4P5ZGT6P from STMicroelectronics is an ultra-low-power Arm® Cortex®-M4 32-bit MCU with FPU, 120 MHz max frequency, 1 MB Flash, 320 KB SRAM, and integrated LCD-TFT controller. It features 22 nA Shutdown mode, 41 µA/MHz Run mode (SMPS), and supports external SMPS for enhanced efficiency in battery-powered industrial sensors and portable medical devices.

For engineers reviewing the STM32L4P5ZGT6P datasheet, STM32L4P5ZGT6P pinout, STM32L4P5ZGT6P application, or STM32L4P5ZGT6P equivalent, key selection criteria include ultra-low-power operation across multiple sleep modes, dual-bank read-while-write Flash, hardware parity on 64 KB SRAM, and integrated Chrom-ART Accelerator for GUI rendering.

Technical Context

The STM32L4P5ZGT6P implements an adaptive real-time accelerator (ART) enabling zero-wait-state execution from Flash at 120 MHz, paired with a memory protection unit (MPU) for secure task isolation. Its power architecture integrates three voltage regulators - LDO, SMPS, and low-power LDO - with dynamic voltage scaling and batch acquisition mode (BAM) for sensor hub operation.

Peripheral interconnect uses a multi-AHB bus matrix with 14-channel DMA, supporting concurrent high-bandwidth transfers to Octo-SPI, SDMMC, USB OTG, and LCD-TFT. Clock management includes three PLLs (system, USB, audio/ADC) and auto-trimmed internal oscillators (±0.25% accuracy), eliminating need for external crystals in many applications.

Key Specifications

Pinout & Package

LQFP144 package with exposed thermal pad, 20 × 20 mm body, 0.5 mm lead pitch, and standard JEDEC MO-207 footprint. Designed for reflow soldering and industrial-grade thermal dissipation (θ_JA = 26.5 °C/W).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-low-power MCU applications.

Compared with STM32L4R5ZIT6 and STM32U575ZIT6, the STM32L4P5ZGT6P uniquely balances ultra-low-power operation, integrated LCD-TFT, and hardware graphics acceleration - making it optimal for cost-sensitive, display-rich embedded systems where external GPU or display driver ICs must be avoided.

Availability

STM32L4P5ZGT6P is available at Aetrix Electronics and suitable for portable medical monitors, smart utility meters, industrial HMI panels, and wireless sensor node hubs requiring stable component supply and long-term lifecycle assurance.

Supply support for STM32L4P5ZGT6P 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, specializing in microcontrollers, power management, sensors, and automotive ICs with vertical manufacturing and broad IP portfolio.

The STM32L4 series targets ultra-low-power embedded applications demanding extended battery life, rich peripheral integration, and robust security - optimized for industrial, healthcare, and smart infrastructure use cases.

FAQ

What is the maximum operating temperature range for STM32L4P5ZGT6P?

The STM32L4P5ZGT6P is rated for operation from –40 °C to +125 °C ambient temperature, validated per ST's production data (DS12903 Rev 3). This extended range supports deployment in harsh industrial environments, including motor control cabinets and outdoor utility enclosures, without derating.

Does STM32L4P5ZGT6P support external memory interfaces beyond Octo-SPI?

Yes - it integrates a Flexible Static Memory Controller (FSMC) supporting SRAM, PSRAM, NOR, NAND, and FRAM with 8-/16-bit data bus and up to 256 MB address space. This complements the two Octo-SPI interfaces, enabling hybrid memory architectures (e.g., Octo-SPI for code, FSMC for large data buffers).

How does the Chrom-ART Accelerator reduce CPU load in GUI applications?

The Chrom-ART Accelerator (DMA2D) executes 2D graphics operations - including ARGB8888/RGB565 memory-to-memory copy, alpha blending, and rectangle fill - in hardware. Benchmarks show it reduces CPU utilization by ≥70% during UI rendering versus software-based drawing, freeing the Cortex-M4 for real-time sensor processing or communication tasks.

Can STM32L4P5ZGT6P operate without an external crystal?

Yes - it includes factory-trimmed internal oscillators: 16 MHz RC (±1%), low-power 32 kHz RC (±5%), and multispeed 100 kHz–48 MHz RC auto-trimmed by LSE (±0.25%). These allow full functionality - including USB clocking and RTC - without external crystals, reducing BOM cost and board area.