STMicroelectronics STM32U385RGY6GTR
Manufacturer No:
STM32U385RGY6GTR
Manufacturer:
STMicroelectronics
Package:
Description:
Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 96 MHz with 1 Mbyte of Flash memory
Quantity:
In Stock :6088
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Expected Shipping：Sun, May 31 - Mon, Jun 1, 2026
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Date Code：Within 2 Years
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STM32U385RGY6GTR Information
STMicroelectronics STM32U385RGY6GTR technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics STM32U385RGY6GTR.
- Type
- Parameter
- Supply Voltage Min Volt
- 1.71
- Supply Voltage Max Volt
- 3.6
- Operating Temp Min Celsius
- -40.0
- Operating Temp Max Celsius
- 85.0
- Core
- Arm Cortex-M33
- ECCN US
- 3A991.a.2
- ECCN EU
- NEC
- Packing Type
- Tape And Reel
- RoHS Status
- Grade
- Industrial
- Type
- Parameter
- Package Name
- WLCSP 68 3.2x3.1x0.58 P 0.35 mm
- Supply Voltage Min Volt
- 1.71
- Supply Voltage Max Volt
- 3.6
- Operating Temp Min Celsius
- -40.0
- Operating Temp Max Celsius
- 85.0
- Core
- Arm Cortex-M33
- ECCN US
- 3A991.a.2
- ECCN EU
- NEC
- Packing Type
- Tape And Reel
- RoHS Status
Download datasheets and manufacturer documentation for STMicroelectronics STM32U385RGY6GTR.
Data sheet:
The STM32U385xx devices belong to an ultra low-power microcontrollers family (STM32U3 series) based on the high-performance Arm® Cortex®-M33 32-bit RISC core. They operate at a frequency of up to 96 MHz.
The Cortex®-M33 core features a single‑precision FPU (floating‑point unit), that supports all the Arm® single‑precision data‑processing instructions and all the data types.
The Cortex®-M33 core also implements a full set of DSP (digital signal processing) instructions and a MPU (memory protection unit) that enhances the application security.
STM32U3 series are the first STM32 series based on near-threshold voltage technology to deliver breakthrough improvement in battery life. With near-threshold technology, STM32U3 devices reduce the active consumption down to 10uA/MHz, resulting in far longer battery life for any application.
The devices embed high‑speed memories (1‑Mbyte flash memory and 256‑Kbytes SRAM), one Octo/Quad-SPI flash memory interface, an extensive range of enhanced I/Os, peripherals connected to three APB buses, two AHB buses, and a 32‑bit multi‑AHB bus matrix.
The STM32U385xx devices embed several protection mechanisms for embedded flash memory and SRAM: readout protection, write protection, secure proprietary code readout protection, secure, and hide protection areas.
These devices offer two 12-bit ADC (2.5 Msps), two comparators, two operational amplifiers, two DAC channels, an internal voltage reference buffer, a low-power RTC, three general-purpose 32-bit timer, one 16-bit PWM timer dedicated to motor control, three general-purpose 16-bit timers, two basic 16-bit timers and up to four 16-bit low-power timers.
The STM32U385xx devices embed a low-power digital filter dedicated to audio signals (ADF), with one filter supporting sound-activity detection. In addition, up to 21 capacitive sensing channels are available.
STM32U3 series also feature standard and advanced communication interfaces such as:
And several peripherals reinforcing security:
The STM32U385xx devices offer high protection against transient and environmental perturbation attacks thanks to several internal monitoring generating secret data erase in case of attack.
The devices operate in the -40 to +105 °C (+110 °C junction) temperature ranges from a 1.71 to 3.6 V power supply.
Some independent power supplies are supported like an analog independent supply input for ADC, DAC, OPAMPs and comparators, a 3.3 V dedicated supply input for USB and up to 14 I/Os, that can be supplied independently down to 1.08 V. A VBAT input is available for connecting a backup battery in order to preserve the RTC functionality and to backup 32 32‑bit registers.
The STM32U385xx devices offer 16 packages from 32-pin to 100-pin.
- Includes ST state-of-the-art patented technology.
- Ultra-low-power
- 1.71 V to 3.6 V power supply
- -40 °C to +105 °C temperature range
- VBAT mode: supply for RTC, 32 x 32-bit backup registers
- 1.6 μA Stop 3 mode with 8-Kbyte SRAM
- 2.2 μA Stop 3 mode with full SRAM
- 3.8 μA Stop 2 mode with 8-Kbyte SRAM
- 4.5 μA Stop 2 mode with full SRAM
- 9.5 μA/MHz Run mode @ 3.3 V (While(1) SMPS step-down converter mode)
- 13 μA/MHz Run mode @ 3.3 V/48 MHz (CoreMark® SMPS step-down converter mode)
- 16 μA/MHz Run mode @ 3.3 V/96 MHz (CoreMark® SMPS step-down converter mode)
- Brownout reset (BOR) in all modes except shutdown
- Arm® 32-bit Cortex®-M33 CPU with TrustZone® and FPU
- ART Accelerator
- 8-Kbyte instruction cache allowing 0-wait-state execution from flash and external memories: frequency up to 96 MHz, MPU, 144 DMIPS and DSP instructions
- Power management
- Embedded regulator (LDO) and SMPS step-down converter supporting switch on-the-fly and voltage scaling
- Benchmarks
- 1.5 DMIPS/MHz (Dhrystone 2.1)
- 387 CoreMark®(4.09 CoreMark®/MHz)
- 500 ULPMark™-CP
- 117 ULPMark™-CM
- 202000 SecureMark™-TLS
- Memories
- 1-Mbyte flash memory with ECC, 2 banks read-while-write
- 256 Kbytes of SRAM including 64 Kbytes with hardware parity check
- OCTOSPI external memory interface supporting SRAM, PSRAM, NOR, NAND, and FRAM memories
- Security and cryptography
- Arm® TrustZone® and securable I/Os, memories, and peripherals
- Flexible life cycle scheme with RDP and password protected debug
- Root of trust due to unique boot entry and secure hide protection area (HDP)
- Secure firmware installation (SFI) from embedded root secure services (RSS)
- Secure data storage with hardware unique key (HUK)
- Secure firmware upgrade
- Support of Trusted firmware for Cortex®M (TF-M)
- Two AES coprocessors, one with side channel attack resistance (SCA) (SAES)
- Public key accelerator, SCA resistant
- Key hardware protection
- Attestation keys
- HASH hardware accelerator
- True random number generator, NIST SP800-90B compliant
- 96-bit unique ID
- 512-byte OTP (one-time programmable)
- Antitamper protection
- Clock management
- 4 to 50 MHz crystal oscillator
- 32.768 kHz crystal oscillator for RTC (LSE)
- Internal 16 MHz factory-trimmed RC (±1 %)
- Internal low-power RC with frequency 32 kHz or 250 Hz (±5 %)
- 2 internal multispeed 3 MHz to 96 MHz oscillators
- Internal 48 MHz with clock recovery
- Accurate MSI in PLL-mode and up to 96 MHz with 32.768 kHz, 16 MHz, or 32 MHz crystal oscillator
- General-purpose inputs/outputs
- Up to 82 fast I/Os with interrupt capability most 5 V-tolerant and up to 14 I/Os with independent supply down to 1.08 V
- Up to 15 timers and 2 watchdogs
- 1x 16-bit advanced motor‑control, 3x 32‑bit and 3x 16‑bit general purpose, 2x 16‑bit basic, 4x low‑power 16‑bit timers (available in Stop mode), 2x watchdogs, 2x SysTick timer
- RTC with hardware calendar, alarms, and calibration
- Up to 19 communication peripherals
- 1 USB 2.0 full-speed controller
- 1 SAI (serial audio interface)
- 3 I2C FM+(1 Mbit/s), SMBus/PMBus™
- 2 I3C (SDR), with support of I2C FM+ mode
- 2 USARTs and 2 UARTs (SPI, ISO 7816, LIN, IrDA, modem), 1 LPUART
- 3 SPIs (6 SPIs including 1 with OCTOSPI + 2 with USART)
- 1 CAN FD controller
- 1 SDMMC interface
- 1 audio digital filter with sound-activity detection
- 12-channel GPDMA controller, functional in Sleep and Stop modes (up to Stop 2)
- Up to 21 capacitive sensing channels
- Support touch key, linear, and rotary touch sensors
- Rich analog peripherals (independent supply)
- 2× 12-bit ADC 2.5 Msps, with hardware oversampling
- 12-bit DAC module with 2 D/A converters, low-power sample and hold, autonomous in Stop 1 mode
- 2 operational amplifiers with built-in PGA
- 2 ultralow-power comparators
- CRC calculation unit
- Debug
- Development support: serial-wire debug (SWD), JTAG, Embedded Trace Macrocell™ (ETM)
- All packages are ECOPACK2 compliant.
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