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Home Products Integrated Circuits (ICs)Embedded - Microcontrollers~~STM32G081RBT6TR~~

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STM32G081RBT6TR - STMicroelectronics

Name: STMicroelectronics STM32G081RBT6TR
Brand: STMicroelectronics
SKU: STM32G081RBT6TR
Price: 3.145 USD
Availability: InStock
Rating: 5 (1 reviews)

Manufacturer Part Number: STM32G081RBT6TR

Manufacturer: STMicroelectronics

Allelco Part Number: 98D-STM32G081RBT6TR

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 42,552 pcs available, New & Original

Parts Description: CONTROLLER / PROCESSOR

Package: 64-LQFP (10x10)

Data sheet: STM32G081RBT6TR.pdf

PCN Design/Specification
Mult Dev Material Chgs 28/Feb/2023.pdf

RoHs Status: ROHS3 Compliant

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Quantity	Unit Price	Ext. Price
1+	$3.145	$3.15

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Specifications

STM32G081RBT6TR Tech Specifications
STMicroelectronics - STM32G081RBT6TR technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - STM32G081RBT6TR

Product Attribute	Attribute Value
Manufacturer	STMicroelectronics
Voltage - Supply (Vcc/Vdd)	1.7V ~ 3.6V
Supplier Device Package	64-LQFP (10x10)
Speed	64MHz
Series	STM32G0
RAM Size	36K x 8
Program Memory Type	FLASH
Program Memory Size	128KB (128K x 8)
Peripherals	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Package / Case	64-LQFP

Product Attribute	Attribute Value
Package	Tape & Reel (TR)
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Number of I/O	60
Mounting Type	Surface Mount
EEPROM Size	-
Data Converters	A/D 19x12b; D/A 2x12b
Core Size	32-Bit
Core Processor	ARM® Cortex®-M0+
Connectivity	HDMI-CEC, I²C, IrDA, LINbus, SPI, UART/USART, USB

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected

Frequently Asked Questions(FAQ)

What is the maximum clock frequency and power supply voltage range for the STM32G081RBT6TR microcontroller?: The STM32G081RBT6TR operates at a maximum clock frequency of 64 MHz, which enables efficient execution of real-time control tasks. It supports a wide power supply voltage range from 1.7 V to 3.6 V, allowing flexible integration into low-power and battery-operated applications where voltage stability or energy efficiency is critical.

How does the memory architecture of the STM32G081RBT6TR support typical embedded system workloads?: The STM32G081RBT6TR features 128 KB of embedded FLASH memory and 36 KB of RAM, providing sufficient code storage and runtime data handling for most single-threaded embedded applications. This configuration supports common firmware sizes without external memory expansion, reducing system complexity and cost in mid-range control systems.

Can the STM32G081RBT6TR be used in automotive-grade temperature environments?: No, the STM32G081RBT6TR is rated for industrial operating temperatures from -40°C to +85°C. It is not qualified for automotive AEC-Q100 Grade 1 (-40°C to +125°C) applications, so it should not be used in automotive environments requiring higher reliability or extended thermal tolerance.

Which communication interfaces are available on the STM32G081RBT6TR for industrial sensor networks?: The STM32G081RBT6TR includes multiple industry-standard communication peripherals such as I²C, SPI, UART/USART, LINbus, IrDA, and HDMI-CEC. These interfaces enable robust connectivity with sensors, actuators, and legacy industrial devices, supporting both point-to-point and multi-drop network configurations.

Does the STM32G081RBT6TR support USB functionality for host or device operation?: Yes, the microcontroller integrates USB Type-C™ with Power Delivery capability, allowing it to function as either a USB device (e.g., HID, CDC) or a limited-functionality host. This makes it suitable for applications involving USB communication, firmware updates via USB, or peripheral control through USB-connected sensors or displays.

How many GPIO pins are available on the STM32G081RBT6TR and how do they impact board design?: The STM32G081RBT6TR provides 60 general-purpose I/O pins across its 64-pin LQFP package. This high pin count supports complex interfacing needs while maintaining compact PCB layout, though designers must carefully manage signal integrity and power distribution due to the dense pinout in a 10x10 mm footprint.

What analog capabilities does the STM32G081RBT6TR offer for precision measurement systems?: The device includes a 19-channel, 12-bit successive approximation ADC and dual 12-bit DACs, enabling accurate analog signal acquisition and output. These peripherals support sensor conditioning, motor feedback, and waveform generation, making the part well-suited for instrumentation and control systems requiring moderate resolution without external converters.

How does the STM32G081RBT6TR compare to the STM32G071 in terms of program memory size?: The STM32G081RBT6TR offers 128 KB of FLASH memory, whereas the STM32G071 provides only 64 KB. For firmware-intensive applications such as motor control algorithms or advanced communication stacks, the STM32G081RBT6TR provides double the code storage capacity, reducing the need for external flash or firmware compression techniques.

Is the STM32G081RBT6TR suitable for low-power battery-powered IoT edge nodes?: Yes, its wide 1.7V–3.6V operating range, integrated power management (including brown-out detection and POR), and support for low-power modes make it ideal for battery-powered IoT devices. When combined with dynamic voltage scaling and sleep modes, it achieves sub-milliampere current consumption during idle states, extending operational life.

What development tools and ecosystem support are available for the STM32G081RBT6TR?: The STM32G081RBT6TR is supported by STMicroelectronics’ comprehensive STM32CubeIDE, HAL/LL libraries, and STM32CubeMX configuration tool. It also benefits from third-party support in Keil MDK and IAR Embedded Workbench, enabling rapid prototyping and production deployment with minimal porting effort.

How does the oscillator configuration affect system reliability in noisy environments?: The STM32G081RBT6TR supports both internal and external clock sources, allowing flexibility in timing accuracy and noise immunity. Using an external crystal or resonator improves long-term stability and reduces susceptibility to electromagnetic interference, which is essential in industrial settings where internal RC oscillators may drift under varying conditions.

Can the STM32G081RBT6TR drive capacitive loads directly from its GPIO pins?: Yes, the 60 GPIOs can source/sink up to 25 mA per pin (with total bank current limits), which is sufficient to drive LEDs, relays, and other low-capacitance loads. However, driving large capacitive loads may require external buffering or MOSFET drivers to avoid excessive rise times and potential signal integrity issues.

What is the significance of the Moisture Sensitivity Level (MSL) 3 rating for the STM32G081RBT6TR?: The MSL 3 classification means the STM32G081RBT6TR must be assembled within 168 hours of opening the moisture-barrier bag to prevent condensation damage during reflow soldering. This requirement applies to automated SMT assembly lines and ensures long-term reliability in mass production environments.

How does the DMA peripheral improve performance in data-intensive applications using the STM32G081RBT6TR?: The integrated DMA controller offloads the CPU from repetitive memory transfers such as ADC sampling or UART transmission, freeing processor cycles for decision-making logic. In applications like continuous sensor logging or protocol processing, this reduces latency and improves overall system responsiveness.

What security features are absent in the STM32G081RBT6TR that might limit its use in secure applications?: Unlike higher-end STM32 series, the STM32G081RBT6TR lacks hardware cryptographic accelerators (e.g., AES, TRNG) and secure boot mechanisms. As a result, it is not suitable for applications requiring tamper resistance, encrypted firmware storage, or authenticated device communication without additional external security components.

How does the package size impact thermal performance in high ambient temperature environments?: The 64-LQFP (10x10 mm) package has limited exposed thermal area compared to larger QFNs with exposed pads. While adequate for passive cooling in normal conditions, sustained high load or ambient temperatures above 70°C may require careful layout planning—such as thermal vias—to maintain junction temperature below 85°C.

Can the STM32G081RBT6TR interface with HDMI displays or consumer audio/video devices?: The presence of HDMI-CEC and USB Type-C™ suggests compatibility with consumer display standards, but the STM32G081RBT6TR does not include native HDMI PHY layers or video encoding hardware. Therefore, it cannot directly drive HDMI displays but can communicate via CEC for control signaling, useful in smart TV accessory applications.

Why would a designer choose the STM32G081RBT6TR over a lower-pin-count variant like the STM32G081RCT6?: The STM32G081RBT6TR uses a 64-pin package versus the 48-pin CT version, providing 60 I/Os instead of fewer options. This allows more peripheral assignments and simplifies PCB routing in designs needing multiple analog inputs, PWM outputs, or communication buses without adding external ICs.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics STM32G081RBT6TR

Product Attribute
Part Number	STM32G081EBY6TR	STM32G081RBT3	STM32G0B0RET6TR	STM32G081RBI6
Manufacturer	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Program Memory Type	-	-	-	-
Oscillator Type	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Program Memory Size	-	-	-	-
Peripherals	-	-	-	-
Speed	-	-	-	-
RAM Size	-	-	-	-
Core Processor	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Series	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Core Size	-	-	-	-
Connectivity	-	-	-	-
EEPROM Size	-	-	-	-
Data Converters	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Voltage - Supply (Vcc/Vdd)	-	-	-	-
Number of I/O	-	-	-	-

STM32G081RBT6TR Datasheet PDF

Download STM32G081RBT6TR pdf datasheets and STMicroelectronics documentation for STM32G081RBT6TR - STMicroelectronics.

PCN Design/Specification: Mult Dev Material Chgs 28/Feb/2023.pdf

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Customer Reviews

Evaluation: 10 Articles

Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
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