STMicroelectronics STM32U5F9VJT6Q

Overview

STM32U5F9VJT6Q from STMicroelectronics is an Arm® Cortex®-M33 ultra-low-power microcontroller with TrustZone®, 160 MHz max CPU frequency, 4 MB flash (ECC), 3 MB SRAM (ECC configurable), integrated JPEG codec, MIPI® DSI host controller, and LTDC for TFT display driving. It targets secure, battery-sensitive edge devices requiring rich graphics, real-time sensor fusion, and cryptographic integrity - such as industrial HMI panels and portable medical displays.

For engineers reviewing the STM32U5F9VJT6Q datasheet, STM32U5F9VJT6Q pinout, STM32U5F9VJT6Q application, or STM32U5F9VJT6Q equivalent, key selection criteria include TrustZone-enabled secure boot, LPBAM autonomous peripheral operation in Stop 2 mode, 18.6 μA/MHz Run-mode efficiency at 3.3 V, and dual Octo-SPI interfaces supporting up to 160 MHz external memory access.

Technical Context

The device implements Arm TrustZone for system-wide hardware isolation between secure and non-secure firmware domains, with dedicated GTZC (Global TrustZone Controller) managing memory, peripheral, and I/O security attribution. Its FlexPowerControl architecture enables dynamic voltage scaling and SMPS/LDO switching on-the-fly across seven low-power modes - including 480 nA Standby with RTC and 2.05 μA Stop 3 with 40 KB SRAM retention.

Graphics acceleration is handled by three coexisting engines: Neo-Chrom VG (GPU2D) for vector rendering and perspective-correct texture mapping, Chrom-ART Accelerator (DMA2D) for bitmap composition, and Chrom-GRC (GFXMMU) for memory-mapped graphic resource optimization - all coordinated via a dedicated GFXTIM timer and synchronized to LTDC/DSI outputs.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm, 0.5 mm pitch) package with 100 pins. Pin functions validated per DS14395 Rev 4 Section 4.2 (Pin description) and Table 12 (Alternate function mapping).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32U5F9VJT6Q, the STM32U575ZIT6Q trades graphics capability for lower cost and smaller footprint, while the i.MX RT1176DVMAA offers higher raw throughput but requires external security components and lacks integrated DSI/LTDC - making STM32U5F9VJT6Q optimal for self-contained, battery-operated secure displays.

Availability

STM32U5F9VJT6Q is available at Aetrix Electronics and suitable for industrial HMI panels, portable medical displays, smart energy meters, and secure IoT gateways requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for STM32U5F9VJT6Q 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 products for industrial, automotive, and consumer markets.

The STM32U5 series is ST's flagship ultra-low-power secure MCU line, engineered for battery-constrained edge devices demanding Arm TrustZone, advanced graphics, and certified security - targeting medical, industrial, and smart infrastructure applications.

FAQ

What is the maximum operating frequency and associated power consumption in Run mode?

The STM32U5F9VJT6Q operates at up to 160 MHz with an ART Accelerator enabling zero-wait-state execution. At 3.3 V and 160 MHz, typical Run-mode current is 18.6 μA/MHz (2.98 mA total), verified per DS14395 Rev 4 Section 5.3.6. This value assumes full peripheral activation and includes core, cache, and SRAM power.

Does this MCU support hardware JPEG encoding or only decoding?

The integrated JPEG codec supports both encoding and decoding of baseline JPEG images, as confirmed in DS14395 Rev 4 Section 3.22 and Table 37 (JPEG characteristics). It handles YUV422/RGB565 input formats and produces standard-compliant JPEG bitstreams with programmable quality factor and Huffman tables.

How many wake-up pins are available in Shutdown mode, and what is their voltage tolerance?

The device provides 24 dedicated wake-up pins in Shutdown mode, all supporting 5 V tolerance when configured as inputs (Section 3.13 and Table 10, DS14395 Rev 4). These pins retain wake capability even when VDD is unpowered, drawing only 150 nA total quiescent current.

Is the MIPI DSI interface compliant with D-PHY v1.2, and what is its maximum pixel clock rate?

Yes, the DSI host controller complies with MIPI D-PHY v1.2 specification (Section 5.3.33), supporting lane speeds up to 500 Mbit/s per lane. With two data lanes and a clock lane, it achieves a maximum pixel clock of 125 MHz for RGB888 format - sufficient for WXGA (1280×800) at 60 Hz with video mode burst transmission.