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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersSTM32G0B0CET6
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STM32G0B0CET6 - STMicroelectronics

Manufacturer Part Number
STM32G0B0CET6
Manufacturer
STMicroelectronics
Allelco Part Number
32D-STM32G0B0CET6
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
17,552 pcs available, New & Original
Parts Description
CONTROLLER / PROCESSOR
Package
48-LQFP (7x7)
Data sheet
-
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 17552
  • Unit Price: $1.603
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $1.603 $1.60
10+ $1.373 $13.73
30+ $1.228 $36.84
250+ $1.081 $270.25
500+ $1.015 $507.50
1000+ $0.985 $985.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

STM32G0B0CET6 Tech Specifications
STMicroelectronics - STM32G0B0CET6 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - STM32G0B0CET6

Product Attribute Attribute Value
Manufacturer STMicroelectronics
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Supplier Device Package 48-LQFP (7x7)
Speed 64MHz
Series STM32G0
RAM Size 144K x 8
Program Memory Type FLASH
Program Memory Size 512KB (512K x 8)
Peripherals DMA, I²S, POR, PWM, Voltage Detect, WDT
Package / Case 48-LQFP
Product Attribute Attribute Value
Package Bulk
Oscillator Type External, Internal
Operating Temperature -40°C ~ 85°C (TA)
Number of I/O 43
Mounting Type Surface Mount
EEPROM Size -
Data Converters A/D 17x12b SAR
Core Size 32-Bit
Core Processor ARM® Cortex®-M0+
Connectivity 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

Parts Introduction

Manufacturer Part Number

STM32G0B0CET6

Manufacturer

STMicroelectronics

Introduction

32-bit microcontroller designed for a range of applications, including consumer electronics and industrial control systems

Product Features and Performance

ARM Cortex-M0+ core processor

32-bit single-core architecture

Maximum clock speed of 64MHz

Product Advantages

High processing power with low power consumption

Advanced connectivity features

A wide array of peripherals for diverse applications

Key Technical Parameters

Core Size: 32-Bit

Speed: 64MHz

Connectivity: I2C, IrDA, LINbus, SPI, SmartCard, UART/USART, USB 2.0

Peripherals: BOD/Reset, DMA, I2S, POR, PWM, WDT

Number of I/O: 43

Program Memory Size: 512KB

RAM Size: 144KB

Voltage Supply Range: 2V to 3.6V

Data Converters: 17x12b SAR A/D

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Brown-out Detect/Reset for safe operations during power anomalies

Extended temperature range for harsh environments

Compatibility

Supports a range of interface standards for broad hardware compatibility

48-LQFP package widely used in the industry for ease of integration

Application Areas

Consumer electronics

Industrial control systems

Automotive applications

IoT devices

Product Lifecycle

Active status, not nearing discontinuation

Replacements or upgrades available as part of STM32G0 series

Several Key Reasons to Choose This Product

Extended temperature range suitable for industrial applications

High reliability with integrated safety features

Efficient power management for battery-operated devices

Robust peripheral set supporting a wide range of applications

STM32G0 series offers a scalable solution across different application needs

Frequently Asked Questions(FAQ)

How does the STM32G0B0CET6 compare to other STM32G0 series microcontrollers in terms of program memory capacity and I/O availability for compact embedded designs?
The STM32G0B0CET6 offers 512KB of FLASH program memory, which is among the higher-capacity variants within the STM32G0 series. This allows it to support more complex firmware applications compared to lower-end models such as the STM32G071, which typically max out at 128KB. With 43 available I/O pins in a 48-LQFP (7x7) package, the STM32G0B0CET6 provides sufficient connectivity for moderate sensor interfaces, communication buses, and control logic without requiring external multiplexers or expansion circuitry, making it suitable for space-constrained industrial automation and consumer electronics.
What are the key trade-offs when selecting the STM32G0B0CET6 for low-power battery-operated devices?
While the STM32G0B0CET6 includes power-saving features like multiple low-power modes and brown-out detection, its 64MHz clock speed and 512KB FLASH may lead to higher active current draw compared to ultra-low-power STM32 variants running at lower frequencies. Designers must balance performance requirements with energy efficiency—firmware should aggressively manage peripheral clocks and enter STOP mode during idle periods. The device supports voltage scaling down to 2V, enabling operation on single-cell Li-ion batteries, but total system quiescent current remains critical in long-life applications.
Can the STM32G0B0CET6 reliably interface with USB peripherals, and what design considerations apply?
Yes, the STM32G0B0CET6 includes a full-speed USB 2.0 OTG controller, enabling host or device functionality. However, achieving reliable enumeration requires careful PCB layout—especially near the VBUS and D+/D- lines—and adherence to USB electrical specifications. The internal 48MHz oscillator can be used for USB timing, but precise clock accuracy is essential; an external crystal may be preferred for stable operation. Additionally, firmware must implement proper USB stack handling, including endpoint management and descriptor configuration.
How does the STM32G0B0CET6 handle real-time tasks given its ARM Cortex-M0+ core?
The ARM Cortex-M0+ core in the STM32G0B0CET6 delivers deterministic interrupt response times suitable for real-time control loops. With a maximum frequency of 64MHz, it supports tight timing requirements common in motor control or communication protocols like LINbus or UART baud rate generation. Developers should prioritize interrupt service routines (ISRs) for time-critical functions and avoid blocking operations within ISRs. The presence of DMA further enhances real-time performance by offloading data transfers from the CPU.
What is the impact of operating temperature range on reliability when using the STM32G0B0CET6 in automotive edge devices?
Although the STM32G0B0CET6 operates from -40°C to 85°C, this commercial-grade rating may not meet automotive AEC-Q100 requirements unless qualified through additional testing. For automotive edge applications, designers should consider derating components and validating thermal performance under worst-case conditions. The internal temperature sensors allow monitoring but do not provide hardware-level protection against overtemperature shutdown. Reliability depends heavily on enclosure design and ambient airflow.
Is it feasible to use the STM32G0B0CET6 for cryptographic applications, and what hardware accelerators are available?
The STM32G0B0CET6 includes an AES hardware accelerator supporting 128-, 192-, and 256-bit keys with ECB, CBC, CTR, and GCM modes. While this enables efficient symmetric encryption, it lacks dedicated asymmetric crypto capabilities found in higher-tier STM32 series. For secure boot or authenticated communication, developers must implement software-based RSA or ECC algorithms or pair the MCU with an external security module. The AES engine significantly reduces CPU load during encryption/decryption compared to bit-banging implementations.
How does the STM32G0B0CET6 compare to newer STM32 series like the G4 or H5 in terms of cost-performance ratio?
The STM32G0B0CET6 targets mid-range applications where moderate processing power and connectivity justify its price point relative to simpler G0 entry-level parts. Compared to the STM32G4—which adds DSP instructions and advanced analog features—the G0B0 lacks floating-point unit and has fewer analog channels. Against the STM32H5, it falls short in speed, flash density, and power architecture. However, for projects not demanding high throughput or advanced analog, the G0B0 offers better value due to lower NRE costs and mature toolchain support.
What considerations apply when migrating firmware from a smaller STM32G0 variant to the STM32G0B0CET6?
Migrating to the STM32G0B0CET6 typically involves minimal code changes due to shared instruction set and peripheral compatibility. However, increased FLASH size allows consolidation of previously split binaries, reducing memory fragmentation. Developers should update linker scripts to reflect the larger address space and verify that vector table offsets remain consistent. Clock tree initialization may differ if switching from a 16MHz to 64MHz configuration, requiring recalibration of timing-sensitive peripherals like PWM or SPI.
Does the STM32G0B0CET6 support over-the-air (OTA) firmware updates securely?
Basic OTA functionality can be implemented using UART, USB, or I2C interfaces, but secure updates require additional layers. While the AES accelerator helps protect firmware images, there is no built-in secure bootloader or tamper detection. Designers must integrate a trusted bootloader that validates cryptographic signatures before applying updates. Secure storage of keys outside the MCU’s volatile memory—such as in an external EEPROM or secure element—is recommended to prevent extraction during attacks.
What are the limitations of the STM32G0B0CET6 when driving high-resolution displays?
The STM32G0B0CET6 lacks dedicated LCD or display controllers found in STM32G4 or STM32WB series. Driving even basic graphical displays requires significant CPU overhead via framebuffer updates over SPI or parallel interfaces. At 64MHz, rendering complex UI elements may introduce noticeable latency. For touch-enabled displays, capacitive sensing would need to be implemented in software or paired with an external touch IC, increasing system complexity and power consumption.
How does the internal voltage regulator perform under varying supply conditions with the STM32G0B0CET6?
The STM32G0B0CET6 integrates an internal low-dropout (LDO) regulator that maintains stable core voltage between 2V and 3.6V. Under heavy peripheral loads, transient response may exhibit minor droop if decoupling capacitance is insufficient. Designers should ensure adequate bulk capacitance near VDD/VSS pins and minimize trace inductance. In low-power modes, the LDO contributes to overall quiescent current, so bypassing it during deep sleep might improve efficiency in some configurations.
Can the STM32G0B0CET6 operate reliably in environments with electromagnetic interference (EMI)?
Like most MCUs, the STM32G0B0CET6 is sensitive to high-frequency noise, particularly on clock inputs and communication lines. Proper PCB grounding, shielding, and use of series termination resistors reduce EMI susceptibility. The internal oscillators provide some immunity to external jitter, but critical applications should prefer external crystals with matched load capacitors. Firmware should include watchdog timers and reset monitoring to recover from transient faults induced by interference.
What role does the DMA play in optimizing performance when using the STM32G0B0CET6?
The integrated DMA controller offloads repetitive data movements—such as ADC sampling to RAM or UART transmit/receive buffers—freeing the Cortex-M0+ core for algorithmic tasks. With multiple DMA channels, concurrent transfers across SPI, I2C, and ADC peripherals are possible. Misconfigured DMA priorities can starve slower peripherals, so careful channel assignment based on bandwidth needs is advised. Using circular DMA modes eliminates CPU intervention during continuous streaming.
How does the STM32G0B0CET6 handle fault tolerance in safety-critical industrial systems?
The device includes basic safety features such as windowed watchdog, independent watchdog (IWDG), and power-on reset (POR). These help detect runaway code or brownouts but do not meet functional safety standards like ISO 26262 or IEC 61508 without additional architectural measures. Implementing redundancy, diagnostic checks, and fail-safe states in firmware is necessary. Memory protection units (MPUs) are absent, limiting hardware-enforced isolation between critical tasks.
What are the implications of the Moisture Sensitivity Level (MSL) 3 classification for the STM32G0B0CET6?
As an MSL 3 component with a floor life of 168 hours, the STM32G0B0CET6 must be stored in dry packaging below 30% RH after moisture exposure during manufacturing. If assembly occurs beyond this window without baking, popcorning during reflow could damage the die. Manufacturers must track time since opening sealed bags and either bake the parts or use nitrogen-flushed environments to maintain reliability in high-volume production.
How does the 17-channel 12-bit SAR ADC perform in mixed-signal applications with the STM32G0B0CET6?
The 17-channel, 12-bit SAR ADC offers 3.5 effective bits (ENOB) typical accuracy, sufficient for many sensor measurement tasks. Sampling rates up to 1Msps enable fast data acquisition, especially when combined with DMA. However, analog input noise and reference stability directly affect precision. For high-impedance sensors, proper buffering is essential. Sequencer flexibility allows scanning multiple channels automatically, reducing CPU load compared to polling individual conversions.
What tools and IDEs are optimized for developing applications on the STM32G0B0CET6?
STMicroelectronics provides STM32CubeIDE, which includes project templates, HAL drivers, and debugging support specifically tailored for STM32G0 series. Third-party options like Keil MDK and IAR Embedded Workbench also offer full compatibility. The STM32CubeMX tool simplifies peripheral configuration and generates initialization code. Given the Cortex-M0+ architecture, optimization focuses on minimizing cycles per instruction and managing limited RAM effectively during compilation.
How does RoHS3 compliance impact material selection in global manufacturing of products using the STM32G0B0CET6?
RoHS3 compliance ensures the absence of restricted substances including phthalates, making the STM32G0B0CET6 suitable for export into markets with strict environmental regulations such as the EU. This affects not only the MCU itself but also surrounding components in the bill of materials. Suppliers must provide full documentation confirming conformance, which streamlines audits and avoids shipment delays. It also aligns with corporate sustainability goals for eco-friendly product design.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics STM32G0B0CET6

Product Attribute STM32G0B0CET6TR STM32G0B0RET6TR STM32G0B0RET6 STM32G0B0KET6
Part Number STM32G0B0CET6TR STM32G0B0RET6TR STM32G0B0RET6 STM32G0B0KET6
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Program Memory Type - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Data Converters - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
EEPROM Size - - - -
Oscillator Type - - - -
Connectivity - - - -
Series - - - -
Core Processor - - - -
Peripherals - - - -
RAM Size - - - -
Voltage - Supply (Vcc/Vdd) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Number of I/O - - - -
Core Size - - - -
Program Memory Size - - - -
Speed - - - -

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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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In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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STMicroelectronics

STM32G0B0CET6

STMicroelectronics
32D-STM32G0B0CET6

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