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HomeProductsIntegrated Circuits (ICs)Specialized ICsSTM32G0B1CET6N
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STM32G0B1CET6N - STMicroelectronics

Manufacturer Part Number
STM32G0B1CET6N
Manufacturer
STMicroelectronics
Allelco Part Number
41D-STM32G0B1CET6N
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
6,350 pcs available, New & Original
Parts Description
LQFP-48(7x7)
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 6350
  • Unit Price: $3.577
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $3.577 $3.58
10+ $3.49 $34.90
30+ $3.432 $102.96
100+ $3.375 $337.50
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

STM32G0B1CET6N Tech Specifications
STMicroelectronics - STM32G0B1CET6N technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - STM32G0B1CET6N

Product Attribute Attribute Value
Part Number STM32G0B1CET6N
Package LQFP-48(7x7)
Description LQFP-48(7x7)
Stock Condition Get 6350 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer STMicroelectronics
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Parts Introduction

STM32G0B1CET6N Image
STM32G0B1CET6N (1)

Manufacturer Part Number

STM32G0B1CET6N

Manufacturer

stmicroelectronics

Introduction

The STM32G0B1CET6N is a high-performance, low-power 32-bit microcontroller based on the ARM® Cortex®-M0+ core. It offers a wide range of connectivity options, including CAN bus, HDMI-CEC, I2C, IrDA, LIN bus, SPI, UART/USART, USB2.0, and USB Type-C™ (Power Delivery), making it suitable for a variety of embedded applications.

Product Features and Performance

32-bit ARM® Cortex®-M0+ core operating at up to 64MHz

512KB of Flash memory and 144KB of RAM

Extensive peripheral set, including DMA, I2S, PWM, and watchdog timer

15 12-bit ADCs and 2 12-bit DACs

Flexible clock sources, including internal and external oscillators

Wide operating voltage range of 1.7V to 3.6V

Operating temperature range of -40°C to 85°C

Product Advantages

High-performance and power-efficient ARM® Cortex®-M0+ core

Extensive connectivity options for a wide range of applications

Flexible clock sources and power management for energy-efficient operation

Robust peripheral set for enhanced functionality and integration

Key Reasons to Choose This Product

Exceptional performance and energy efficiency for your embedded applications

Comprehensive connectivity options to simplify design and integration

Reliable and feature-rich platform for developing innovative products

Long-term availability and support from a trusted semiconductor manufacturer

Quality and Safety Features

Robust design and manufacturing processes for reliable operation

Extended temperature range for use in diverse environmental conditions

Compliance with relevant industry standards and safety regulations

Compatibility

The STM32G0B1CET6N is compatible with the broader STM32G0 series of microcontrollers, allowing for easy migration and scalability of your designs.

Application Areas

Industrial automation and control systems

Building automation and smart home devices

Automotive electronics and infotainment systems

Medical equipment and health monitoring devices

Consumer electronics and IoT applications

Product Lifecycle

The STM32G0B1CET6N is an active product, and there are currently no plans for discontinuation. However, as technology evolves, alternative or equivalent models may become available in the future. If you have any questions or need assistance, please contact our sales team through our website for the latest information and support.

Frequently Asked Questions(FAQ)

What is the maximum operating frequency and memory configuration of the STM32G0B1CET6N microcontroller, and how does this affect real-time performance in embedded control applications?
The STM32G0B1CET6N operates at up to 64 MHz using its ARM® Cortex®-M0+ core, providing sufficient throughput for moderate real-time tasks such as motor control or sensor data processing. With 512KB of embedded Flash memory and 144KB of SRAM, it supports complex firmware routines without requiring external memory expansion. This combination enables deterministic execution with minimal jitter in interrupt response times, which is critical when coordinating peripherals like USB, CAN, or PWM outputs.
How does the power supply range of the STM32G0B1CET6N impact system design when integrating battery-powered or voltage-sensitive environments?
The STM32G0B1CET6N supports a wide supply voltage range from 1.7V to 3.6V, allowing direct operation from lithium cells or regulated low-voltage rails commonly found in industrial and consumer devices. This flexibility reduces the need for additional DC-DC converters in many applications, lowering component count and improving efficiency. However, designers must ensure stable rail delivery within this range, especially during USB enumeration or high-speed peripheral activation, where transient loads may challenge regulation margins.
Can the STM32G0B1CET6N support both USB Type-C Power Delivery and standard USB 2.0 communication simultaneously, and what hardware considerations are necessary?
Yes, the STM32G0B1CET6N includes native USB 2.0 Full-Speed capability with support for USB Type-C functionality through its dedicated USB interface. While the MCU handles protocol layers, implementing USB-PD requires external components such as a PD transceiver IC and appropriate pull-up/pull-down resistors on CC lines. The internal 1.5kΩ pull-up resistor on DP/DM must be configured correctly, and VBUS detection logic needs careful PCB layout to avoid false disconnects during plug events.
In comparison to other STM32G0 series parts like the STM32G0B1RET6, what key differences exist in package and flash memory that affect board footprint and cost?
The STM32G0B1CET6N features a 48-pin LQFP (7x7mm) package with 512KB of Flash, whereas the RET6 variant uses a larger 64-pin LQFP package and offers up to 1MB of Flash. Choosing the CET6N provides pin compatibility and reduced PCB area for designs requiring 512KB but avoiding higher pin counts. For applications not exceeding 512KB code size, the CET6N offers better space utilization and potentially lower BOM cost due to fewer pins and smaller form factor.
What are the recommended external crystal specifications when bypassing the internal oscillator for precise timing in communication protocols like UART or I2S?
When using an external crystal, the STM32G0B1CET6N typically supports frequencies between 4 MHz and 32 MHz, depending on the specific configuration. A common choice is a 16 MHz fundamental-mode crystal with load capacitance matching the MCU’s built-in feedback capacitor values (often 12–15 pF), requiring external load caps of ~18–22 pF each. Proper PCB grounding, trace length matching, and placement close to the XTAL pins minimize phase noise and ensure reliable clock stability across temperature extremes.
How does the STM32G0B1CET6N handle brown-out detection and reset sequencing, and why might this be insufficient for safety-critical systems?
The device includes a programmable brown-out reset (BOR) circuit that monitors VDD and triggers a system reset if voltage drops below a user-defined threshold—typically adjustable in steps around 2.0V to 2.7V. While useful for preventing erratic behavior during undervoltage conditions, the BOR lacks diagnostic feedback or fault logging. In functional safety contexts (e.g., IEC 61508), additional monitoring via independent watchdogs or external supervisory circuits would be required, making the STM32G0B1CET6N suitable only for non-certified embedded applications.
What is the significance of the STM32G0B1CET6N’s 42 I/O pins, and how should GPIO allocation be prioritized during initial schematic design?
With 42 general-purpose I/O pins available on the 48-LQFP package, designers can dedicate multiple ports to high-priority functions such as SPI/I2C buses, PWM outputs, ADC inputs, and interrupt sources. Pinout planning should begin by assigning critical signals first—such as SWD debugging, USB D+/D−, and reset lines—to avoid last-minute conflicts. Use alternate function mapping tables in the reference manual to confirm pin multiplexing options and reserve unused pins as pull-up/down to prevent floating states.
Does the STM32G0B1CET6N include any integrated analog-to-digital converter features beyond basic GPIO sampling, and how accurate are they for precision measurement tasks?
Yes, the STM32G0B1CET6N integrates a 12-bit successive approximation register (SAR) ADC with 15 channels, capable of up to 1 Msps sampling rate under optimal conditions. Linearity error is typically ±1.5 LSB, and effective resolution degrades slightly at higher temperatures. For applications demanding better than 1% accuracy, external signal conditioning—such as op-amp buffering and filtering—is essential. Internal temperature sensors and reference voltages further extend usability for on-chip calibration routines.
How does the STM32G0B1CET6N compare to Cortex-M0-based MCUs from other manufacturers in terms of peripheral integration and power efficiency?
Relative to competitors like NXP’s LPC series or Microchip’s SAM L devices, the STM32G0B1CET6N stands out for its rich peripheral mix including dual DACs, HDMI-CEC support, and LIN/CAN interfaces—features often omitted in ultra-low-power M0 parts. At 64 MHz, it trades some active-mode power consumption for faster wake-up times and more deterministic peripheral handling. In deep-sleep modes, however, newer M0+ rivals achieve comparable µA-level currents, making selection dependent on whether application prioritizes feature density or energy harvesting readiness.
What precautions must be taken when programming the STM32G0B1CET6N via SWD, especially regarding voltage levels and debug access security?
SWD communication requires VDD to be above the minimum operating voltage (1.7V) during connection attempts. Debugging tools must provide adequate drive strength to overcome parasitic capacitance on long cables. To prevent unauthorized firmware extraction, the RDP (Read Protection) level should be set appropriately—Level 1 disables readout but allows mass erase; Level 2 adds flash scrambling and disables debug ports entirely. Always verify boot configuration pins (nBOOT0, etc.) before applying power to avoid accidental entry into system memory boot mode.
Why might a designer choose the STM32G0B1CET6N over a Cortex-M33-based alternative despite lacking TrustZone, and what trade-offs does this entail?
The STM32G0B1CET6N avoids the overhead and complexity of TrustZone, offering a simpler, lower-cost entry point for non-security-focused applications such as home automation or industrial sensors. Its Cortex-M0+ core delivers near-M3 performance at significantly lower silicon cost and power draw, while still supporting rich connectivity like USB-C and CAN FD-ready peripherals. For projects where isolation or secure boot isn’t required, the G0B1 line provides better value without sacrificing core functionality.
What factors influence the maximum achievable data throughput on the STM32G0B1CET6N’s SPI interface, and how can bottlenecks be mitigated?
SPI speed is limited by both the 64 MHz system clock and software overhead in interrupt-driven drivers. Theoretical maximum baud rates approach 16 Mbps when using hardware NSS management and DMA-assisted transfers. Practical implementations rarely exceed 8–10 Mbps due to bus contention and ISR latency. Enabling DMA channels for transmit/receive buffers and configuring SPI in full-duplex mode maximizes throughput. Additionally, using shorter CS assertion times and avoiding excessive SPI transactions per frame improves overall efficiency.
Is the STM32G0B1CET6N suitable for automotive-grade applications given its stated operating temperature range, and what additional certifications would be needed?
Although rated from -40°C to 85°C, the STM32G0B1CET6N is not qualified to AEC-Q100 standards, so it cannot be used directly in production vehicles. It may serve in industrial or commercial environments where ambient temperatures stay within specification. For automotive use, engineers would need to select an AEC-Q100-compliant variant or implement robust thermal derating and failure-mode analysis to compensate for lack of formal qualification.
How does the internal watchdog timer in the STM32G0B1CET6N operate, and what coding practices ensure reliable fault recovery?
The independent windowed watchdog (IWDG) runs from an internal RC oscillator (~32 kHz), enabling operation even if the main clock fails. It requires periodic reload commands; failure to do so triggers a system reset. Best practice involves enabling the IWDG early in startup, setting appropriate window bounds based on task deadlines, and ensuring reload calls occur within expected execution intervals. Avoid blocking operations that could delay reloads, and consider pairing it with a windowed watchdog (WWDG) for stricter timing control.
What considerations apply when using the STM32G0B1CET6N’s dual DAC outputs for analog signal generation in closed-loop control systems?
Each 12-bit DAC shares a common reference voltage (VDDA), so both channels exhibit correlated errors unless buffered externally. Update rates depend on software triggering; synchronous updates via hardware triggers improve waveform consistency. For dynamic signals, enable DMA transfers to maintain continuous output without CPU intervention. Output impedance remains high, so external op-amps are strongly recommended for driving loads below 10 kΩ. Calibration routines should account for offset and gain mismatches between channels.
How does the STM32G0B1CET6N support LINbus communication, and what hardware components are necessary for physical layer compliance?
The MCU includes a dedicated LIN slave interface with automatic synchronization field detection and baud rate adaptation. On the hardware side, a LIN transceiver such as ST’s L9637 or equivalent is required to meet RS-485-like voltage thresholds and slew-rate requirements. Termination resistors and proper ground referencing are essential to avoid bus reflections and ensure reliable node addressing in multi-drop configurations.
What steps are needed to enable USB Device functionality on the STM32G0B1CET6N, and how does clock configuration affect enumeration success?
Enable the USB clock source (typically PLLQ output) and configure USB_DP/DM pins as analog inputs. Set up the USB device stack (e.g., STM32Cube HAL) with correct endpoint descriptors and interrupt handlers. Critical to enumeration is precise 48 MHz clock generation—any deviation beyond ±0.25% causes failure. Using the internal HSI48 oscillator simplifies design but demands trimming; alternatively, derive USB clock from an external crystal via PLL ensures higher accuracy. Ensure pull-up resistor on D+ is connected only after power stabilization.
Given its 48-LQFP packaging, what PCB layout guidelines are most important for minimizing electromagnetic interference when routing high-speed signals on the STM32G0B1CET6N?
Keep USB, high-speed SPI, and clock traces short and matched in length. Route them away from noisy digital lines and place decoupling capacitors as close as possible to VDD/VSS pins. Use ground planes beneath signal layers to reduce loop inductance. Avoid crossing split planes under differential pairs like USB D+/D−. Thermal vias under the package enhance heat dissipation, but cluster them to prevent ground plane disruption. Follow ST’s reference design layouts closely for optimal EMC performance.

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • 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.

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STM32G0B1CET6N Image

STM32G0B1CET6N

STMicroelectronics
41D-STM32G0B1CET6N

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