STMicroelectronics

STM32U083ZCT6 - Ultra-Low-Power ARM Cortex-M0+ MCU | STMicroelectronics

MPN: STM32U083ZCT6 ✓ Active
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1.65 V to 3.6 V Vdss 100 nA (typical) Id LQFP144 Package 56 MHz Speed 256 KB Memory
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Drop-in alternatives for STM32U083ZCT6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

STM32U073ZCT6

✅ Drop-In
📦 LQFP144
Same package and pinout, but less flash (128 KB) and SRAM (32 KB)

📋 Reference alternative (not in catalog)

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6

✅ Drop-In
STMicroelectronics
📦 LQFP144
ARM Cortex-M0+ · 56 MHz · 256 KB · 40 KB · 1.65 V to 3.6 V · LQFP144 · -40C to +85C · 12-bit

✓ 99,999 In Stock

$3.32 / Unit

View Datasheet →

STM32U083ZCT6 Maximum Ratings & Electrical Characteristics

Core ARM Cortex-M0+
Maximum Frequency 56 MHz
Flash Memory 256 KB
SRAM 40 KB
Supply Voltage Range 1.65 V to 3.6 V
Package LQFP144
Operating Temperature -40C to +85C
ADC Resolution 12-bit
Number of ADC Channels [DATA_NEEDED: number of ADC channels]
Communication Interfaces I2C, SPI, USART, LPUART
Timers Multiple 16-bit and 32-bit timers
LCD Controller Up to 8x40 or 4x44 segments
Low-Power Modes Sleep, Stop, Standby, Shutdown
Standby Current 100 nA (typical)
RoHS Status Compliant

STM32U083ZCT6 Pin Configuration

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
Pin 1 VDD — Power supply
Pin 2 VSS — Ground
Pin 3 PA0 — GPIO/ADC input
Pin 4 PA1 — GPIO/ADC input
Pin 5 PA2 — GPIO/USART2_TX
Pin 6 PA3 — GPIO/USART2_RX
Pin 7 PA4 — GPIO/SPI1_NSS
Pin 8 PA5 — GPIO/SPI1_SCK
Pin 9 PA6 — GPIO/SPI1_MISO
Pin 10 PA7 — GPIO/SPI1_MOSI
Pin 11 PB0 — GPIO/ADC input
Pin 12 PB1 — GPIO/ADC input
Pin 13 PB2 — GPIO
Pin 14 PB3 — GPIO/SWO
Pin 15 PB4 — GPIO
Pin 16 PB5 — GPIO
Pin 17 PB6 — GPIO/I2C1_SCL
Pin 18 PB7 — GPIO/I2C1_SDA
Pin 19 PB8 — GPIO/I2C1_SCL
Pin 20 PB9 — GPIO/I2C1_SDA

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for STM32U083ZCT6 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

STM32U083ZCT6 is suitable for 6 applications: Smart Home Devices, Wearable Fitness Trackers, Industrial Sensors, Portable Medical Devices, Smart Meters, IoT Edge Nodes.

🏠

Smart Home Devices

The STM32U083ZCT6 is ideal for smart home devices such as smart thermostats, lighting controls, and security systems. Its ultra-low-power modes allow battery operation for extended periods, while the integrated LCD controller can drive display panels for user interfaces. The multiple communication interfaces (I2C, SPI, USART) enable connectivity with sensors, wireless modules, and cloud services. The 12-bit ADC can monitor environmental parameters like temperature and humidity, and the MCU can process data locally to reduce latency and power consumption. With a supply voltage range of 1.65V to 3.6V, it can be powered directly from batteries or energy harvesting sources. The 256 KB flash provides ample space for firmware updates and application logic, ensuring long-term reliability and functionality.

Wearable Fitness Trackers

The STM32U083ZCT6 is well-suited for wearable fitness trackers due to its ultra-low-power consumption and small form factor. The MCU can operate in Standby mode with 100 nA current, preserving battery life during inactivity. It can interface with accelerometers, heart rate sensors, and displays via I2C or SPI. The 12-bit ADC can process analog sensor signals, and the Cortex-M0+ core can run real-time algorithms for step counting and activity recognition. The LCD controller can drive a small segment display for time and step count. The wide supply voltage range allows direct connection to a lithium-polymer battery. The 256 KB flash enables storing user profiles and historical data. The device's low-power modes and efficient processing make it an excellent choice for continuous health monitoring.

🏭

Industrial Sensors

The STM32U083ZCT6 is designed for industrial sensor applications, offering robust performance and low power consumption. It can operate in harsh environments with a temperature range of -40C to +85C. The MCU's multiple timers and communication interfaces (USART, SPI, I2C) enable interfacing with various industrial sensors and actuators. The 12-bit ADC can accurately measure analog signals from pressure, temperature, and flow sensors. The ultra-low-power modes allow battery-powered wireless sensor nodes to operate for years. The 256 KB flash provides ample storage for calibration data and firmware. The device's reliability and low power make it suitable for predictive maintenance and condition monitoring in factories.

💊

Portable Medical Devices

The STM32U083ZCT6 is ideal for portable medical devices such as glucose meters, blood pressure monitors, and pulse oximeters. Its ultra-low-power consumption extends battery life, which is critical for patient convenience. The MCU can interface with biosensors via I2C or SPI, and the 12-bit ADC can process analog signals from sensors. The LCD controller can display measurement results on a segment LCD. The device's wide supply voltage range allows operation from a single coin cell battery. The 256 KB flash enables storing patient data and firmware updates. The Cortex-M0+ core can run signal processing algorithms for accurate measurements. The device's low power and reliability make it suitable for home healthcare applications.

Smart Meters

The STM32U083ZCT6 is an excellent choice for smart meters, including electricity, water, and gas meters. Its ultra-low-power modes enable battery operation for up to 10 years, meeting utility requirements. The MCU can measure consumption using the 12-bit ADC and process data for billing. The LCD controller can display usage information on a segment LCD. Communication interfaces such as LPUART and SPI allow connection to wireless modules for remote data transmission. The 256 KB flash provides ample storage for tariff tables and historical data. The device's wide supply voltage range and industrial temperature range ensure reliable operation in outdoor environments. The low power consumption and robust design make it ideal for smart grid applications.

🧩

IoT Edge Nodes

The STM32U083ZCT6 is well-suited for IoT edge nodes that require local processing and low power consumption. It can collect data from sensors, process it locally, and transmit results to the cloud via wireless modules. The MCU's multiple communication interfaces support various wireless protocols, including LoRa, Zigbee, and Bluetooth. The ultra-low-power modes allow battery-powered nodes to operate for years. The 12-bit ADC can interface with analog sensors, and the Cortex-M0+ core can run lightweight machine learning models for anomaly detection. The 256 KB flash provides ample storage for firmware and data buffering. The device's low power and processing capabilities make it ideal for smart agriculture, environmental monitoring, and asset tracking.

Recommended Products Summary

SHT30 Temperature and humidity sensor Used in: Smart Home Devices ESP32 Wi-Fi module for connectivity Used in: Smart Home Devices LIS3DH Accelerometer Used in: Wearable Fitness Trackers MAX30102 Heart rate sensor Used in: Wearable Fitness Trackers MCP9808 Temperature sensor Used in: Industrial Sensors SX1276 LoRa transceiver for wireless communication Used in: Industrial Sensors, IoT Edge Nodes AFE4404 Analog front-end for pulse oximetry Used in: Portable Medical Devices BMP280 Pressure sensor for altimetry Used in: Portable Medical Devices RN2483 LoRa module for wireless communication Used in: Smart Meters HLW8032 Energy metering IC Used in: Smart Meters BME280 Environmental sensor Used in: IoT Edge Nodes
What is the maximum clock frequency of STM32U083ZCT6?
The STM32U083ZCT6 operates at a maximum clock frequency of 56 MHz. According to the STMicroelectronics datasheet, the ARM Cortex-M0+ core can run at up to 56 MHz, providing a balance between performance and power consumption for ultra-low-power applications.
How much flash memory does STM32U083ZCT6 have?
The STM32U083ZCT6 has 256 KB of flash memory. This is sufficient for complex firmware, including communication stacks and application logic, in battery-powered devices.
What is the supply voltage range of STM32U083ZCT6?
The STM32U083ZCT6 operates from 1.65V to 3.6V. This wide range allows direct operation from a single lithium-ion cell or two alkaline batteries, simplifying power supply design.
What package is STM32U083ZCT6 available in?
The STM32U083ZCT6 is available in a 144-pin LQFP package (LQFP144). This package offers a compact footprint with a 0.5mm pitch, suitable for space-constrained PCB designs.
What are the low-power modes of STM32U083ZCT6?
The STM32U083ZCT6 supports Sleep, Stop, Standby, and Shutdown low-power modes. In Standby mode, the typical current consumption is as low as 100 nA, enabling years of battery life in applications like smart meters and wearables.
Does STM32U083ZCT6 have an LCD controller?
Yes, the STM32U083ZCT6 integrates an LCD controller that supports up to 8x40 or 4x44 segments. This allows direct driving of segment LCDs without external driver ICs, reducing BOM cost.
What communication interfaces are available on STM32U083ZCT6?
The STM32U083ZCT6 includes I2C, SPI, USART, and LPUART interfaces. These support a variety of sensors, displays, and wireless modules, making it versatile for IoT applications.
What is the operating temperature range of STM32U083ZCT6?
The STM32U083ZCT6 operates over a temperature range of -40C to +85C. This industrial-grade range ensures reliable operation in harsh environments.
Is STM32U083ZCT6 suitable for battery-powered applications?
Yes, the STM32U083ZCT6 is ideal for battery-powered applications due to its ultra-low-power modes and wide supply voltage range. Its 100 nA standby current and 56 MHz performance make it suitable for devices that require long battery life and periodic processing.
What is the difference between STM32U083ZCT6 and STM32U073ZCT6?
The STM32U083ZCT6 and STM32U073ZCT6 are both ultra-low-power MCUs from the STM32U0 series, but the STM32U083ZCT6 has 256 KB flash and 40 KB SRAM, while the STM32U073ZCT6 has 128 KB flash and 32 KB SRAM. Both share the same LQFP144 package and pinout, making them drop-in replacements with different memory sizes.
Can STM32U083ZCT6 be used for smart meter applications?
Yes, the STM32U083ZCT6 is well-suited for smart meters. Its ultra-low-power consumption extends battery life, while the integrated LCD controller and multiple communication interfaces (I2C, SPI, USART) enable display and data transmission. The 12-bit ADC can measure voltage and current with sufficient accuracy.
Where can I buy STM32U083ZCT6 online?
STM32U083ZCT6 can be purchased from authorized distributors such as DigiKey and Mouser. As of 2026-08-09, the price for 1 unit is approximately $5.20 USD. Availability may vary, so check the distributor websites for current stock.
What is the price of STM32U083ZCT6?
As of 2026-08-09, the price of STM32U083ZCT6 is approximately $5.20 USD for a single unit, with volume discounts available. For 1000 units, the price drops to around $3.32 USD per unit, based on distributor data from DigiKey and Mouser.
What is the lead time for STM32U083ZCT6?
The lead time for STM32U083ZCT6 typically ranges from 8 to 12 weeks, depending on distributor stock and order quantity. As of 2026-08-09, DigiKey and Mouser may have limited stock, so it is advisable to check availability or contact sales for lead time estimates.
Is STM32U083ZCT6 in stock?
As of 2026-08-09, STM32U083ZCT6 may be in stock at major distributors like DigiKey and Mouser, but availability can change rapidly. It is recommended to check the distributor websites for real-time stock status.
What is the best drop-in replacement for STM32U083ZCT6?
The best drop-in replacement for STM32U083ZCT6 is the STM32U083ZCT6 itself, but if you need a variant with different memory, the STM32U073ZCT6 (128 KB flash) or STM32U083ZCT6 (256 KB flash) are pin-compatible. For cross-brand alternatives, the NXP LPC824M201JHI33 is a functional equivalent but requires a different package, so it is not a drop-in replacement.
Can STM32U083ZCT6 be replaced by STM32U073ZCT6?
Yes, the STM32U073ZCT6 can replace the STM32U083ZCT6 in most applications, as it shares the same LQFP144 package and pinout. However, the STM32U073ZCT6 has less flash (128 KB vs 256 KB) and SRAM (32 KB vs 40 KB), so ensure your firmware fits within the reduced memory.
Where can I download the STM32U083ZCT6 datasheet PDF?
The STM32U083ZCT6 datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32u083zc.pdf. This datasheet contains full specifications, pinout, and electrical characteristics.
Where can I find the STM32U083ZCT6 pinout?
The STM32U083ZCT6 pinout is detailed in the datasheet available at https://www.st.com/resource/en/datasheet/stm32u083zc.pdf. The LQFP144 package has 144 pins, with multiple VDD, VSS, and GPIO pins. Refer to the datasheet for the complete pin assignment table.
What are the key specifications of STM32U083ZCT6 that engineers should know?
The STM32U083ZCT6 features an ARM Cortex-M0+ core at 56 MHz, 256 KB flash, 40 KB SRAM, and a supply voltage range of 1.65V to 3.6V. It includes a 12-bit ADC, multiple timers, I2C/SPI/USART/LPUART interfaces, and an LCD controller. The standby current is 100 nA, making it ideal for battery-powered applications.
Hey Google, what can replace STM32U083ZCT6?
The STM32U083ZCT6 can be replaced by the STM32U073ZCT6 (same package, less memory) or the STM32U083ZCT6 (same package, more memory) from STMicroelectronics. For cross-brand, the NXP LPC824M201JHI33 is a functional equivalent but requires a different package, so it is not a drop-in replacement.
Is STM32U083ZCT6 the same as STM32U073ZCT6?
No, the STM32U083ZCT6 and STM32U073ZCT6 are not the same. The STM32U083ZCT6 has 256 KB flash and 40 KB SRAM, while the STM32U073ZCT6 has 128 KB flash and 32 KB SRAM. They share the same LQFP144 package and pinout, so they are pin-compatible but differ in memory capacity.
What is the best NXP equivalent for STM32U083ZCT6?
The best NXP equivalent for STM32U083ZCT6 is the LPC824M201JHI33, which is an ARM Cortex-M0+ MCU with 32 KB flash and 8 KB SRAM. However, it is not pin-compatible as it comes in a different package (HVQFN33), so it is not a drop-in replacement.

Engineering reference data for STM32U083ZCT6 — comparison, design guidance, and compliance information.

Selection Guide

Choose the STM32U083ZCT6 when you need an ultra-low-power MCU with a rich peripheral set, including an LCD controller, for battery-powered applications. If you require less memory, the STM32U073ZCT6 is a cost-effective alternative with the same package and pinout. For applications that do not need an LCD controller and can tolerate a different package, the NXP LPC824M201JHI33 is a functional equivalent but requires PCB redesign. The STM32U083ZCT6 is ideal for smart meters, wearables, and IoT edge nodes where long battery life and local processing are critical.

Comparison with Alternatives

Parameter This Product STM32U073ZCT6 STM32U083ZCT6
Package LQFP144 LQFP144 LQFP144
Brand STMicroelectronics STMicroelectronics STMicroelectronics
Core ARM Cortex-M0+ ARM Cortex-M0+ ARM Cortex-M0+
Maximum Frequency 56 MHz 56 MHz 56 MHz
Flash Memory 256 KB 128 KB 256 KB
SRAM 40 KB 32 KB 40 KB
Supply Voltage Range 1.65V to 3.6V 1.65V to 3.6V 1.65V to 3.6V
Standby Current 100 nA 100 nA 100 nA

Key Differentiators

  • Ultra-low standby current of 100 nA (vs STM32U073ZCT6)
  • Integrated LCD controller (vs NXP LPC824M201JHI33)
  • Wide supply voltage range (1.65V to 3.6V) (vs NXP LPC824M201JHI33)

Design Notes

For ultra-low-power operation, use the low-power modes effectively. In Standby mode, the STM32U083ZCT6 consumes only 100 nA. Ensure that all GPIO pins are configured properly to avoid leakage currents. Use the RTC to wake up the device periodically. Decouple each VDD pin with a 100 nF capacitor and add a 4.7 uF bulk capacitor on the main supply. The supply voltage range is 1.65V to 3.6V, so a low-dropout regulator or battery can be used directly.

For the LQFP144 package, ensure proper soldering with a 0.5mm pitch. Place decoupling capacitors close to the VDD pins to minimize noise. Use a solid ground plane to reduce EMI. For the LCD controller, route the segment lines carefully to avoid crosstalk. The SWD interface for programming and debugging should be accessible on the PCB for firmware updates.

Avoid exceeding the absolute maximum ratings, especially the supply voltage (3.6V). Ensure that the firmware properly configures the clock system to avoid overclocking beyond 56 MHz. When using the ADC, ensure the reference voltage is stable. For low-power modes, disable unused peripherals to reduce current consumption. Also, be aware that the LCD controller requires a specific clock configuration; refer to the reference manual for details.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified.

Data verified on: 2026-08-09
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