STM32U535CBT6Q

STM32U535CBT6Q

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STM32U535CBT6

Ultra-low-power with FPU Arm Cortex-M33 MCU with TrustZone, 160 MHz with 128 Kbytes of Flash memory

Supply Voltage Min Volt1.71
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
CoreArm Cortex-M33
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTray
RoHs compliantEcopack2
GradeIndustrial
Package NameLQFP 48 7x7x1.4 mm

The STM32U535xx devices belong to an ultra-low-power microcontrollers family (STM32U5 Series) based on the high-performance Arm® Cortex®-M33 32-bit RISC core. They operate at a frequency of up to 160 MHz.The Cortex®-M33 core features a single-precision FPU (floating-point unit), that supports...
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Key features
  • Includes ST state-of-the-art patented technology
  • Ultra-low-power with FlexPowerControl
    • 1.71 V to 3.6 V power supply
    • –40 °C to +85/125 °C temperature range
    • Low-power background-autonomous mode (LPBAM): autonomous peripherals with DMA, functional down to Stop 2 mode
    • VBAT mode: supply for RTC, 32 x 32-bit backup registers and 2-Kbyte backup SRAM
    • 90 nA Shutdown mode (23 wake-up pins)
    • 200 nA Standby mode (23 wake-up pins)
    • 370 nA Standby mode with RTC
    • 1.4 μA Stop 3 mode with 16-Kbyte SRAM
    • 2.2 µA Stop 3 mode with full SRAM
    • 3.0 µA Stop 2 mode with 16-Kbyte SRAM
    • 4.6 µA Stop 2 mode with full SRAM
    • 16.3 μA/MHz Run mode @ 3.3 V
  • Core
    • Arm® 32-bit Cortex®-M33 CPU with TrustZone®, MPU, DSP, and FPU
  • ART Accelerator
    • 8-Kbyte instruction cache allowing 0-wait-state execution from flash and external memories: up to 160 MHz, 240 DMIPS
    • 4-Kbyte data cache for external memories
  • Power management
    • Embedded regulator (LDO) and SMPSstep-down converter supporting switchon-the-fly and voltage scaling
  • Benchmarks
    • 1.5 DMIPS/MHz (Drystone 2.1)
    • 651 CoreMark® (4.07 CoreMark®/MHz)
    • 464 ULPMark™-CP
    • 125 ULPMark™-PP
    • 54 ULPMark™-CM
    • 137000 SecureMark™-TLS
  • Memories
    • Up to 512-Kbyte flash memory with ECC, 2 banks read-while-write, and 100 kcycles
    • 274-Kbyte SRAM including up to 64-Kbyte SRAM with ECC ON
    • 1 Octo-SPI memory interface
  • Security
    • Arm® TrustZone® and securable I/Os, memories and peripherals
    • Flexible life cycle scheme with RDP and password protected debug
    • Root of trust thanks to unique boot entry and secure hide protection area (HDP)
    • Secure firmware installation (SFI) thanks to embedded root-secure services (RSS)
    • Secure firmware upgrade support with TF-M
    • HASH hardware accelerator
    • True random number generator, NIST SP800-90B compliant
    • 96-bit unique ID
    • 512-byte OTP (one-time programmable)
    • Active tampers
  • Clock management
    • 4 to 50 MHz crystal oscillator
    • 32 kHz crystal oscillator for RTC (LSE)
    • Internal 16 MHz factory-trimmed RC (±1%)
    • Internal low-power 32 kHz RC (±5%)
    • 2 internal multispeed 100 kHz to 48 MHz oscillators, including one auto-trimmed by LSE (better than ±0.25% accuracy)
    • Internal 48 MHz with clock recovery
    • 3 PLL for system clock, USB, audio, ADC
  • General-purpose input/outputs
    • Up to 82 fast I/Os with interrupt capability most 5V-tolerant and up to 14 I/Os with independent supply down to 1.08 V
  • Up to 17 timers and 2 watchdogs
    • 2 16-bit advanced motor-control, 4 32-bit, 5 16-bit, 4 low-power 16-bit (available in Stop mode), 2 SysTick timers and 2 watchdogs
    • RTC with hardware calendar and calibration
  • Up to 19 communication peripherals
    • 1 USB full-speed selectable host or device controller
    • 1 SAI (serial-audio interface)
    • 4 I2C FM+(1 Mbit/s), SMBus/PMBus®
    • 5 USART/UART/LPUART (SPI, ISO 7816, LIN, IrDA, modem)
    • 3 SPI (+1 with OCTOSPI +2 with USART)
    • 1 CAN FD controller
    • 1 SDMMC interface
    • 1 multi-function digital filter (2 filters) + 1 audio digital filter with sound-activity detection
    • Parallel synchronous slave interface
  • 16- and 4-channel DMA controllers, functional in Stop mode
  • Graphic features
    • 1 digital camera interface
  • Mathematical co-processor
    • CORDIC for trigonometric functions acceleration
    • Filter mathematical accelerator (FMAC)
  • Up to 20 capacitive sensing channels
    • Support touch key, linear and rotary touch sensors
  • Rich analog peripherals (independent supply)
    • 14-bit ADC 2.5-Msps with hardware oversampling
    • 12-bit ADC 2.5-Msps, with hardware oversampling, autonomous in Stop 2 mode
    • 2 12-bit DAC, low-power sample and hold
    • 1 operational amplifier with built-in PGA
    • 1 ultra-low-power comparator
  • CRC calculation unit
  • Debug
    • Development support: serial-wire debug (SWD), JTAG, Embedded Trace Macrocell™ (ETM)
  • ECOPACK2 compliant packages
Out of Stock
Quantity $ per unit Savings
1-9$5.680%
10-99$5.1110%
100-249$4.1926%
250-499$3.9730%
500-999$3.5737%
1000-1499$3.0147%
1500-10000$2.8450%
Contact sales
$5.68
Supply Voltage Min Volt1.71
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
CoreArm Cortex-M33
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTray
RoHs compliantEcopack2
GradeIndustrial
Package NameLQFP 48 7x7x1.4 mm

The STM32U535xx devices belong to an ultra-low-power microcontrollers family (STM32U5 Series) based on the high-performance Arm® Cortex®-M33 32-bit RISC core. They operate at a frequency of up to 160 MHz.The Cortex®-M33 core features a single-precision FPU (floating-point unit), that supports...
Read More

Key features
  • Includes ST state-of-the-art patented technology
  • Ultra-low-power with FlexPowerControl
    • 1.71 V to 3.6 V power supply
    • –40 °C to +85/125 °C temperature range
    • Low-power background-autonomous mode (LPBAM): autonomous peripherals with DMA, functional down to Stop 2 mode
    • VBAT mode: supply for RTC, 32 x 32-bit backup registers and 2-Kbyte backup SRAM
    • 90 nA Shutdown mode (23 wake-up pins)
    • 200 nA Standby mode (23 wake-up pins)
    • 370 nA Standby mode with RTC
    • 1.4 μA Stop 3 mode with 16-Kbyte SRAM
    • 2.2 µA Stop 3 mode with full SRAM
    • 3.0 µA Stop 2 mode with 16-Kbyte SRAM
    • 4.6 µA Stop 2 mode with full SRAM
    • 16.3 μA/MHz Run mode @ 3.3 V
  • Core
    • Arm® 32-bit Cortex®-M33 CPU with TrustZone®, MPU, DSP, and FPU
  • ART Accelerator
    • 8-Kbyte instruction cache allowing 0-wait-state execution from flash and external memories: up to 160 MHz, 240 DMIPS
    • 4-Kbyte data cache for external memories
  • Power management
    • Embedded regulator (LDO) and SMPSstep-down converter supporting switchon-the-fly and voltage scaling
  • Benchmarks
    • 1.5 DMIPS/MHz (Drystone 2.1)
    • 651 CoreMark® (4.07 CoreMark®/MHz)
    • 464 ULPMark™-CP
    • 125 ULPMark™-PP
    • 54 ULPMark™-CM
    • 137000 SecureMark™-TLS
  • Memories
    • Up to 512-Kbyte flash memory with ECC, 2 banks read-while-write, and 100 kcycles
    • 274-Kbyte SRAM including up to 64-Kbyte SRAM with ECC ON
    • 1 Octo-SPI memory interface
  • Security
    • Arm® TrustZone® and securable I/Os, memories and peripherals
    • Flexible life cycle scheme with RDP and password protected debug
    • Root of trust thanks to unique boot entry and secure hide protection area (HDP)
    • Secure firmware installation (SFI) thanks to embedded root-secure services (RSS)
    • Secure firmware upgrade support with TF-M
    • HASH hardware accelerator
    • True random number generator, NIST SP800-90B compliant
    • 96-bit unique ID
    • 512-byte OTP (one-time programmable)
    • Active tampers
  • Clock management
    • 4 to 50 MHz crystal oscillator
    • 32 kHz crystal oscillator for RTC (LSE)
    • Internal 16 MHz factory-trimmed RC (±1%)
    • Internal low-power 32 kHz RC (±5%)
    • 2 internal multispeed 100 kHz to 48 MHz oscillators, including one auto-trimmed by LSE (better than ±0.25% accuracy)
    • Internal 48 MHz with clock recovery
    • 3 PLL for system clock, USB, audio, ADC
  • General-purpose input/outputs
    • Up to 82 fast I/Os with interrupt capability most 5V-tolerant and up to 14 I/Os with independent supply down to 1.08 V
  • Up to 17 timers and 2 watchdogs
    • 2 16-bit advanced motor-control, 4 32-bit, 5 16-bit, 4 low-power 16-bit (available in Stop mode), 2 SysTick timers and 2 watchdogs
    • RTC with hardware calendar and calibration
  • Up to 19 communication peripherals
    • 1 USB full-speed selectable host or device controller
    • 1 SAI (serial-audio interface)
    • 4 I2C FM+(1 Mbit/s), SMBus/PMBus®
    • 5 USART/UART/LPUART (SPI, ISO 7816, LIN, IrDA, modem)
    • 3 SPI (+1 with OCTOSPI +2 with USART)
    • 1 CAN FD controller
    • 1 SDMMC interface
    • 1 multi-function digital filter (2 filters) + 1 audio digital filter with sound-activity detection
    • Parallel synchronous slave interface
  • 16- and 4-channel DMA controllers, functional in Stop mode
  • Graphic features
    • 1 digital camera interface
  • Mathematical co-processor
    • CORDIC for trigonometric functions acceleration
    • Filter mathematical accelerator (FMAC)
  • Up to 20 capacitive sensing channels
    • Support touch key, linear and rotary touch sensors
  • Rich analog peripherals (independent supply)
    • 14-bit ADC 2.5-Msps with hardware oversampling
    • 12-bit ADC 2.5-Msps, with hardware oversampling, autonomous in Stop 2 mode
    • 2 12-bit DAC, low-power sample and hold
    • 1 operational amplifier with built-in PGA
    • 1 ultra-low-power comparator
  • CRC calculation unit
  • Debug
    • Development support: serial-wire debug (SWD), JTAG, Embedded Trace Macrocell™ (ETM)
  • ECOPACK2 compliant packages