STMicroelectronics STM32U599ZJY6QTR

Overview

STM32U599ZJY6QTR from STMicroelectronics is an ultra-low-power Arm® Cortex®-M33 32-bit MCU with TrustZone®, FPU, and integrated graphics acceleration (Neo-Chrom GPU, Chrom-ART), delivering 240 DMIPS at up to 160 MHz. It features 4 MB Flash with ECC, 2.5 MB SRAM (with configurable ECC), MIPI® DSI host controller (dual 500 Mbit/s lanes), LTDC, and operates from 1.71–3.6 V across –40 °C to +125 °C. It targets secure, battery-sensitive HMI applications such as smart thermostats and portable medical displays.

For engineers reviewing the STM32U599ZJY6QTR datasheet, STM32U599ZJY6QTR pinout, STM32U599ZJY6QTR application, or STM32U599ZJY6QTR equivalent, key selection criteria include TrustZone-enabled secure boot, LPBAM autonomous peripheral operation in Stop 2 mode, dual DSI lane support for high-resolution embedded displays, and 156 GPIOs with 5V tolerance and independent supply capability down to 1.08 V.

Technical Context

This MCU implements a dual-cache architecture with 32-Kbyte ICACHE and two 16-Kbyte DCACHEs-one for external memory access and one dedicated to graphics-enabling zero-wait-state execution and accelerated 2D rendering. Its power architecture integrates both LDO and SMPS regulators with on-the-fly voltage scaling and supports five low-power modes, including Stop 3 (2 μA with 40 KB SRAM) and Shutdown (150 nA).

The security subsystem leverages Arm TrustZone® with hardware-enforced isolation, securable peripherals, Root of Trust via unique boot entry and HDP, and embedded Secure Firmware Installation (SFI) services. Peripheral interconnect includes 2 Octo-SPI, 1 HSPI, 7 USARTs, 6 I²C, 3 SPI, 2 SAI, 1 CAN FD, and USB OTG HS with embedded PHY.

Key Specifications

Pinout & Package

STM32U599ZJY6QTR is housed in a 216-ball UFBGA package (13 × 13 mm, 0.8 mm pitch) with 156 user-accessible I/Os, including 14 I/Os supporting independent 1.08–3.6 V supply. The package supports full signal integrity for MIPI DSI, Octo-SPI, and high-speed USB OTG HS interfaces.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32U599ZJY6QTR, the STM32U575ZIT6Q sacrifices display subsystem and memory capacity for lower unit cost, while the i.MX RT600F trades hardware security and graphics integration for higher DSP throughput - neither matches the combined ultra-low-power, secure, and high-fidelity display capabilities of the U599.

Availability

STM32U599ZJY6QTR is available at Aetrix Electronics and suitable for smart thermostats, portable medical monitors, industrial HMI panels, and secure access terminals requiring stable component supply across extended product lifecycles.

Supply support for STM32U599ZJY6QTR 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 - serving industrial, automotive, and consumer markets since 1987.

The STM32U5 series is ST's flagship ultra-low-power, secure MCU line designed for battery-operated, safety- and privacy-critical edge devices requiring long runtime, certified security, and rich human-machine interfaces.

FAQ

What is the maximum operating temperature rating for STM32U599ZJY6QTR?

The STM32U599ZJY6QTR is qualified for operation from –40 °C to +125 °C ambient temperature, meeting industrial and extended-temperature requirements. This rating applies under specified voltage (1.71–3.6 V) and derating conditions per DS13633 Rev 3 Section 5.3.1, and is validated across all low-power modes including Stop 3 and Shutdown.

Does STM32U599ZJY6QTR support hardware-accelerated cryptography?

Yes - it integrates a HASH hardware accelerator supporting SHA-1, SHA-224, and SHA-256, plus a NIST SP800-90B compliant True Random Number Generator (TRNG). These modules operate independently of the CPU and are accessible from both Secure and Non-secure worlds under TrustZone control, enabling fast TLS handshake and key generation.

Can the MIPI DSI interface drive a 1080p display?

Yes - with two DSI lanes running at 500 Mbit/s each (1 Gbit/s aggregate), the interface supports up to 1080p@60 Hz with RGB888 pixel format. Bandwidth is sufficient for typical embedded panels; actual resolution depends on panel timing constraints, clock configuration, and LTDC FIFO depth - verified in ST's AN5552 application note.

How does LPBAM reduce system power consumption?

LPBAM enables autonomous peripheral operation (e.g., ADC sampling → DMA transfer → memory write → DAC output) without CPU intervention, even in Stop 2 mode. This eliminates wake-up latency and CPU leakage current during background tasks, reducing average power by up to 70 % compared to polling-based architectures - confirmed in ST's U5 Power Consumption Measurement Kit (UM2609).