STMicroelectronics

STM32G031C8T6 - 64KB Flash ARM Cortex-M0+ MCU | STMicroelectronics

Name: STM32G031C8T6
Brand: STMicroelectronics

MPN: STM32G031C8T6 ✓ Hoạt động

2.0 V to 3.6 V Vdss 0.27 µA Id LQFP-48 (7x7 mm) Package 64 MHz Speed 64 KB Memory

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STM32G031C8T6 Tóm tắt

The STMicroelectronics STM32G031C8T6 is a 32-bit ARM Cortex-M0+ based microcontroller from the STM32G0 series, offering a balanced combination of performance, power efficiency, and rich analog peripherals. It operates at a maximum frequency of 64 MHz and provides 64 KB of flash memory and 8 KB of SRAM, making it suitable for a wide range of cost-sensitive and space-constrained embedded applications. The device is housed in a 48-pin LQFP package (7x7 mm) with a 0.5 mm pitch, enabling compact PCB designs.

What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It integrates a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the backbone of modern embedded systems, from simple household appliances to complex industrial automation. The STM32G031C8T6 belongs to the STM32G0 family, which is positioned as an entry-level, high-efficiency series within the broader STM32 portfolio, targeting applications that require low power consumption, robust analog capabilities, and a rich set of communication interfaces.

Key features of the STM32G031C8T6 include a 12-bit ADC with hardware oversampling (up to 16-bit resolution), a 12-bit DAC, two comparators, and an operational amplifier. It also integrates multiple communication interfaces: I2C, SPI, USART, and a low-power UART. The device supports a wide supply voltage range from 2.0V to 3.6V and offers several low-power modes, including Sleep, Stop, and Standby, with a typical standby current of only 0.27 µA. The MCU is designed with a high level of integration, reducing the need for external components and simplifying system design.

From a technical depth perspective, the STM32G031C8T6 is built on a 90 nm process technology, which contributes to its low power consumption and high performance. The Cortex-M0+ core includes a single-cycle multiplier and a nested vectored interrupt controller (NVIC), enabling efficient interrupt handling. The device also features a memory protection unit (MPU) for enhanced security and a cyclic redundancy check (CRC) unit for data integrity. The clock system is flexible, with an internal 16 MHz RC oscillator, an internal 32 kHz RC oscillator, and support for external crystals, allowing designers to optimize for cost or accuracy.

Typical applications for the STM32G031C8T6 include consumer electronics, industrial control, home automation, and portable devices. Its rich analog peripherals make it ideal for sensor interfacing, motor control, and power management. The low-power modes and wide voltage range enable battery-powered applications such as wearables and IoT nodes. The device is also well-suited for simple human-machine interfaces (HMI) with its capacitive touch sensing capability.

When designing with this MCU, it is essential to provide proper decoupling capacitors on the power supply pins and to follow the recommended layout guidelines in the datasheet to minimize noise and ensure reliable operation. The internal RC oscillators are sufficient for many applications, but for precise timing, an external crystal should be used. Additionally, the device's boot pins must be configured correctly to select the desired boot mode (flash, system memory, or SRAM).

Bộ thay thế dễ dàng lắp đặt cho STM32G031C8T6 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.

Các biến thể trong loạt này

Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với STM32G031C8T6 (cùng hình factor và footprint) — khác nhau ở Package, Core, Flash Memory, ADC, Product Type.

STM32F071CBT7

STMicroelectronics

Package: 48-LQFP (7x7 mm)

Core: ARM Cortex-M0 32-bit

ADC: 12-bit, 1 MSPS, up to 16 channels

So sánh với STM32G031C8T6 →

STM32G031C6T6

STMicroelectronics

Package: 48-LQFP (7 x 7 mm)

Flash Memory: 32 KB

Product Type: 32-bit microcontroller

So sánh với STM32G031C8T6 →

STM32G041C8T6

STMicroelectronics

Package: 48-LQFP, 7 x 7 mm

Flash Memory: 64 KB (64K x 8)

Product Type: 32-bit ARM Cortex-M0+ microcontroller

So sánh với STM32G031C8T6 →

STM32G050C8T6

STMicroelectronics

Package: 48-LQFP, 7 x 7 mm

ADC: 1 analog-to-digital converter

Product Type: 32-bit Arm Cortex-M0+ microcontroller

So sánh với STM32G031C8T6 →

STM32G061C8T6

STMicroelectronics

Package: 48-LQFP (7x7 mm)

Core: Arm Cortex-M0+ (32-bit)

✅ Drop-In

STMicroelectronics

📦 LQFP-48

ARM Cortex-M0+ · 64 MHz · 64 KB · 8 KB · 2.0 V to 3.6 V · LQFP-48 (7x7 mm) · -40C to +85C · 12-bit, up to 16-bit with oversampling

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STM32G031C8T6 Tỷ lệ tối đa & tính chất điện

Core	ARM Cortex-M0+
Maximum Frequency	64 MHz
Flash Memory	64 KB
SRAM	8 KB
Supply Voltage Range	2.0 V to 3.6 V
Hộp	LQFP-48 (7x7 mm)
Khoảng nhiệt độ hoạt động	-40C to +85C
ADC	12-bit, up to 16-bit with oversampling
DAC	12-bit
Comparators	2
Operational Amplifier	1
Communication Interfaces	I2C, SPI, USART, LPUART
GPIO Pins	38
Standby Current	0.27 µA
Trạng thái RoHS	Compliant

Cấu hình chân STM32G031C8T6

Chân 1	VBAT — Battery backup supply
Chân 2	PC13 — GPIO / RTC
Chân 3	PC14 — GPIO / OSC32_IN
Chân 4	PC15 — GPIO / OSC32_OUT
Chân 5	PF0 — GPIO / OSC_IN
Chân 6	PF1 — GPIO / OSC_OUT
Chân 7	NRST — Reset (active low)
Chân 8	VDD — Digital power supply
Chân 9	VSS — Ground
Chân 10	PA0 — GPIO / ADC
Chân 11	PA1 — GPIO / ADC
Chân 12	PA2 — GPIO / USART2_TX
Chân 13	PA3 — GPIO / USART2_RX
Chân 14	PA4 — GPIO / DAC
Chân 15	PA5 — GPIO / SPI1_SCK
Chân 16	PA6 — GPIO / SPI1_MISO
Chân 17	PA7 — GPIO / SPI1_MOSI
Chân 18	PB0 — GPIO / ADC
Chân 19	PB1 — GPIO / ADC
Chân 20	PB2 — GPIO / BOOT1
Chân 21	PB10 — GPIO / I2C2_SCL
Chân 22	PB11 — GPIO / I2C2_SDA
Chân 23	PB12 — GPIO / SPI2_NSS
Chân 24	PB13 — GPIO / SPI2_SCK
Chân 25	PB14 — GPIO / SPI2_MISO
Chân 26	PB15 — GPIO / SPI2_MOSI
Chân 27	PA8 — GPIO / MCO
Chân 28	PA9 — GPIO / USART1_TX
Chân 29	PA10 — GPIO / USART1_RX
Chân 30	PA11 — GPIO / USB_DM
Chân 31	PA12 — GPIO / USB_DP
Chân 32	PA13 — GPIO / SWDIO
Chân 33	PA14 — GPIO / SWCLK
Chân 34	PA15 — GPIO / JTDI
Chân 35	PB3 — GPIO / JTDO
Chân 36	PB4 — GPIO / NJTRST
Chân 37	PB5 — GPIO / I2C1_SMBA
Chân 38	PB6 — GPIO / I2C1_SCL
Chân 39	PB7 — GPIO / I2C1_SDA
Chân 40	PB8 — GPIO / I2C1_SCL
Chân 41	PB9 — GPIO / I2C1_SDA
Chân 42	VDD — Digital power supply
Chân 43	VSS — Ground
Chân 44	VDDA — Analog power supply
Chân 45	VREF+ — ADC reference voltage
Chân 46	VSSA — Analog ground
Chân 47	PC0 — GPIO / ADC
Chân 48	PC1 — GPIO / ADC

Ứng dụng tiêu biểu

STM32G031C8T6 phù hợp cho 6 Áp dụngs: Industrial Control, Home Automation, Portable Medical Devices, IoT Nodes, Consumer Electronics, Automotive (Body Electronics).

🏭

Industrial Control

The STM32G031C8T6 is well-suited for industrial control applications such as PLCs, motor control, and process automation. Its 64 MHz Cortex-M0+ core provides sufficient processing power for real-time control loops, while the integrated 12-bit ADC and comparators enable precise sensor interfacing and current sensing. The device's wide operating temperature range (-40C to +85C) ensures reliable operation in harsh industrial environments. In a typical motor control application, the MCU reads current and position sensors via the ADC, executes a control algorithm, and generates PWM signals to drive the motor driver. The low-power modes allow energy-efficient operation in battery-backed systems. The rich set of communication interfaces (I2C, SPI, USART) facilitates connectivity with industrial networks and HMI panels. The STM32G031C8T6's robust design and comprehensive peripheral set make it a cost-effective choice for industrial control systems.

Được đề xuất

L6206 (Motor driver) TSC1031 (Current sense amplifier)

🧩

Home Automation

The STM32G031C8T6 is ideal for home automation devices such as smart thermostats, lighting control, and security systems. Its low-power modes, including a standby current of 0.27 µA, enable battery-powered operation for wireless sensors and actuators. The MCU's capacitive touch sensing capability allows for sleek, button-less user interfaces. In a smart thermostat application, the STM32G031C8T6 reads temperature and humidity sensors via the ADC, processes the data, and controls heating or cooling relays. The device's communication interfaces (I2C, SPI, USART) support connectivity with Wi-Fi or Zigbee modules for remote monitoring and control. The wide supply voltage range (2.0V to 3.6V) accommodates various power sources, including batteries and energy harvesting circuits. The STM32G031C8T6's combination of low power, rich analog peripherals, and compact LQFP-48 package makes it a preferred choice for home automation products.

Được đề xuất

SHT30 (Temperature and humidity sensor) ESP8266 (Wi-Fi module)

💊

Portable Medical Devices

The STM32G031C8T6 is suitable for portable medical devices such as glucose meters, pulse oximeters, and wearable health monitors. Its low power consumption and small form factor are critical for battery-operated devices. The integrated 12-bit ADC with oversampling enables accurate measurement of biosignals, while the operational amplifier can be used for signal conditioning. In a pulse oximeter, the MCU controls LED drivers, reads photodetector signals via the ADC, and calculates oxygen saturation levels. The device's low-power modes extend battery life, and the wide supply voltage range allows operation from a single lithium-ion cell. The STM32G031C8T6's rich analog peripherals and low-power features make it an excellent choice for portable medical devices that require high accuracy and long battery life.

Được đề xuất

MAX30102 (Pulse oximetry sensor) AD8232 (ECG front-end)

🌐

IoT Nodes

The STM32G031C8T6 is a perfect fit for IoT nodes that require low power consumption and wireless connectivity. Its standby current of 0.27 µA and support for low-power UART (LPUART) enable battery-powered operation for years. The MCU can interface with various wireless modules (LoRa, BLE, Zigbee) via SPI or UART. In a typical IoT sensor node, the STM32G031C8T6 wakes up periodically, reads sensors, processes data, and transmits it wirelessly before returning to sleep. The device's rich analog peripherals allow direct connection to sensors without external ADC. The wide supply voltage range and low-power modes make it ideal for energy harvesting applications. The STM32G031C8T6's combination of low power, processing capability, and communication interfaces makes it a leading choice for IoT edge devices.

Được đề xuất

SX1276 (LoRa transceiver) nRF24L01 (2.4 GHz transceiver)

📱

Consumer Electronics

The STM32G031C8T6 is widely used in consumer electronics such as smart appliances, gaming peripherals, and remote controls. Its cost-effectiveness and rich feature set make it attractive for high-volume products. The MCU's capacitive touch sensing enables intuitive user interfaces, while its communication interfaces support connectivity with other devices. In a smart appliance, the STM32G031C8T6 controls motors, reads sensors, and manages user inputs. The device's low-power modes help meet energy efficiency standards. The LQFP-48 package is suitable for compact PCB designs, and the wide operating temperature range ensures reliability in various environments. The STM32G031C8T6's balance of performance, power, and cost makes it a popular choice for consumer electronics.

Được đề xuất

DRV8837 (Motor driver) TCA9548A (I2C multiplexer)

🚗

Automotive (Body Electronics)

The STM32G031C8T6 is suitable for automotive body electronics applications such as window lifters, seat control, and lighting control. Its wide operating temperature range (-40C to +85C) and robust design meet automotive requirements. The MCU's 12-bit ADC and comparators enable precise control of motors and solenoids. In a window lifter application, the STM32G031C8T6 reads switch inputs, controls the motor driver, and monitors current for anti-pinch detection. The device's communication interfaces (CAN is not available, but LIN can be implemented via USART) support automotive networking. The low-power modes help reduce battery drain when the vehicle is off. The STM32G031C8T6's combination of performance, reliability, and cost makes it a viable option for automotive body electronics.

Được đề xuất

VND5012AK (High-side driver) L9680 (LIN transceiver)

Tóm tắt các sản phẩm được đề xuất

L6206 Motor driver Được sử dụng trong: Industrial Control TSC1031 Current sense amplifier Được sử dụng trong: Industrial Control SHT30 Temperature and humidity sensor Được sử dụng trong: Home Automation ESP8266 Wi-Fi module Được sử dụng trong: Home Automation MAX30102 Pulse oximetry sensor Được sử dụng trong: Portable Medical Devices AD8232 ECG front-end Được sử dụng trong: Portable Medical Devices SX1276 LoRa transceiver Được sử dụng trong: IoT Nodes nRF24L01 2.4 GHz transceiver Được sử dụng trong: IoT Nodes DRV8837 Motor driver Được sử dụng trong: Consumer Electronics TCA9548A I2C multiplexer Được sử dụng trong: Consumer Electronics VND5012AK High-side driver Được sử dụng trong: Automotive (Body Electronics) L9680 LIN transceiver Được sử dụng trong: Automotive (Body Electronics)

What is the maximum clock frequency of STM32G031C8T6?

The STM32G031C8T6 operates at a maximum clock frequency of 64 MHz. According to the STMicroelectronics datasheet, the Cortex-M0+ core can run at up to 64 MHz, providing a good balance between performance and power consumption for embedded applications.

How much flash memory and SRAM does STM32G031C8T6 have?

The STM32G031C8T6 has 64 KB of flash memory and 8 KB of SRAM. This memory configuration is suitable for applications that require moderate code storage and data handling, such as sensor nodes and motor control.

What is the supply voltage range of STM32G031C8T6?

The STM32G031C8T6 operates from a supply voltage range of 2.0V to 3.6V. This wide range allows the MCU to be powered from a variety of sources, including 3.3V rails and 2.5V batteries, making it flexible for different system designs.

What package is STM32G031C8T6 available in?

The STM32G031C8T6 is available in a 48-pin LQFP package with a 7x7 mm body size and 0.5 mm pitch. This package is suitable for space-constrained PCB designs and is widely used in industrial and consumer applications.

What are the key low-power features of STM32G031C8T6?

The STM32G031C8T6 offers several low-power modes, including Sleep, Stop, and Standby. In Standby mode, the typical current consumption is only 0.27 µA, making it ideal for battery-powered applications. The device also supports a low-power UART (LPUART) for wake-up from low-power modes.

Does STM32G031C8T6 have an ADC?

Yes, the STM32G031C8T6 includes a 12-bit ADC with hardware oversampling, which can achieve up to 16-bit resolution. This ADC is suitable for sensor interfacing and data acquisition applications.

What communication interfaces are available on STM32G031C8T6?

The STM32G031C8T6 supports I2C, SPI, USART, and LPUART communication interfaces. These interfaces enable connectivity with a wide range of external devices, such as sensors, displays, and other microcontrollers.

What is the operating temperature range of STM32G031C8T6?

The STM32G031C8T6 operates over a temperature range of -40C to +85C. This industrial temperature range makes it suitable for harsh environments, including automotive and industrial applications.

Is STM32G031C8T6 suitable for battery-powered applications?

Yes, the STM32G031C8T6 is well-suited for battery-powered applications due to its low-power modes and wide supply voltage range. The standby current of 0.27 µA and support for low-power UART make it ideal for IoT nodes and wearables.

What is the difference between STM32G031C8T6 and STM32G031C6T6?

The main difference between STM32G031C8T6 and STM32G031C6T6 is the flash memory size: the C8 variant has 64 KB, while the C6 variant has 32 KB. Both share the same package and pinout, making them drop-in replacements for applications that require less code storage.

Can STM32G031C8T6 be used for motor control?

Yes, the STM32G031C8T6 is suitable for motor control applications. It features a 12-bit ADC, comparators, and an operational amplifier, which are essential for current sensing and feedback. The 64 MHz Cortex-M0+ core provides sufficient processing power for simple motor control algorithms.

What is the price of STM32G031C8T6?

As of 2026-08-13, the price of STM32G031C8T6 is approximately $2.85 for a single unit, with volume pricing dropping to around $1.82 at 1000 units. Prices may vary by distributor and quantity.

Where can I buy STM32G031C8T6?

STM32G031C8T6 is available from major distributors such as DigiKey, Mouser, and Arrow. You can also purchase directly from STMicroelectronics' authorized distributors. Check stock availability and pricing on their websites.

What is the lead time for STM32G031C8T6?

The lead time for STM32G031C8T6 typically ranges from 2 to 4 weeks, depending on the distributor and order quantity. For large orders, it is recommended to contact the distributor for accurate lead time information.

What is the best drop-in replacement for STM32G031C8T6?

The best drop-in replacement for STM32G031C8T6 is the STM32G031C8T6TR, which is the tape-and-reel packaging variant with identical specifications. Other pin-compatible alternatives include the STM32G031C6T6 (32 KB flash) and STM32G041C8T6 (with additional features).

Can STM32G031C8T6 be replaced by STM32G041C8T6?

Yes, the STM32G041C8T6 is a drop-in replacement for STM32G031C8T6 as it shares the same LQFP-48 package and pinout. The G041 variant adds a few extra features, such as a second DAC and more timers, but is otherwise compatible.

Where can I download the STM32G031C8T6 datasheet PDF?

The STM32G031C8T6 datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32g031c8.pdf. It contains full specifications, pinout, and application notes.

What are the key specifications of STM32G031C8T6 that engineers should know?

Engineers should know that the STM32G031C8T6 features a 64 MHz ARM Cortex-M0+ core, 64 KB flash, 8 KB SRAM, 12-bit ADC with oversampling, 12-bit DAC, two comparators, one op-amp, and multiple communication interfaces (I2C, SPI, USART, LPUART). It operates from 2.0V to 3.6V and is available in a 48-pin LQFP package.

Is STM32G031C8T6 the same as STM32G031C6T6?

No, the STM32G031C8T6 and STM32G031C6T6 are not the same. The C8 variant has 64 KB flash, while the C6 variant has 32 KB flash. They share the same package and pinout, so the C6 can be used as a drop-in replacement if 32 KB is sufficient.

Dữ liệu tham khảo kỹ thuật cho STM32G031C8T6 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.

Hướng dẫn chọn lựa

Choose the STM32G031C8T6 when you need a cost-effective, low-power MCU with 64 KB flash and rich analog peripherals for applications such as industrial control, home automation, and IoT nodes. If you require less flash memory (32 KB) and want to save cost, the STM32G031C6T6 is a suitable drop-in replacement. If you need additional features like a second DAC and more timers, the STM32G041C8T6 is a better choice. For applications that require higher performance or more memory, consider the STM32F103 series, but note the higher power consumption and cost. The STM32G031C8T6 is ideal for battery-powered devices due to its low standby current and wide supply voltage range.

So sánh với các sản phẩm thay thế

Tham số	Sản phẩm này	STM32G031C8T6TR	STM32G031C6T6	STM32G041C8T6
Package	LQFP-48	LQFP-48	LQFP-48	LQFP-48
Brand	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Flash Memory	64 KB	64 KB	32 KB	64 KB
SRAM	8 KB	8 KB	8 KB	8 KB
Maximum Frequency	64 MHz	64 MHz	64 MHz	64 MHz
ADC Resolution	12-bit (16-bit with oversampling)	12-bit (16-bit with oversampling)	12-bit (16-bit with oversampling)	12-bit (16-bit with oversampling)
DAC	1x 12-bit	1x 12-bit	1x 12-bit	2x 12-bit
Standby Current	0.27 µA	0.27 µA	0.27 µA	0.27 µA

Bảo phân biệt quan trọng

Higher flash memory (64 KB) compared to STM32G031C6T6 (vsSTM32G031C6T6)
Additional DAC and timers compared to STM32G031C8T6 (vsSTM32G041C8T6)
Cost-effective entry-level MCU with rich analog peripherals (vsSTM32F103C8T6)

Ghi chú thiết kế

Ensure proper decoupling of the VDD and VDDA pins with 100 nF ceramic capacitors placed as close to the pins as possible. Additionally, use a 4.7 µF capacitor on VDDA for analog noise filtering. The supply voltage range is 2.0V to 3.6V; do not exceed these limits to avoid damage.

For the LQFP-48 package, follow the recommended land pattern in the datasheet. Provide a solid ground plane under the MCU to minimize noise and improve thermal performance. Keep high-speed signals (SPI, USART) away from the crystal oscillator pins to reduce interference.

When using the internal RC oscillator, be aware of its accuracy (±1% typical). For applications requiring precise timing, use an external crystal. Also, configure the boot pins correctly to select the desired boot mode; incorrect settings can prevent the MCU from starting.

Thông tin tuân thủ

RoHS

Compliant

REACH

Compliant

AEC-Q100

Not Applicable

Không chì

Yes

Không halogen

Yes

Khoáng vật xung đột

Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider STM32G031C8T6Q or similar.

Dữ liệu được xác minh vào: 2026-08-13 — dữ liệu được xác minh và quản lý bởi đội ngũ kỹ thuật phần cứng của XAIPART

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STMicroelectronics STM32G031C8T6 STM32G031C8T6TR STM32G031C6T6 STM32G041C8T6 ARM Cortex-M0+ microcontroller MCU LQFP-48 QFP surface mount RoHS REACH ADC DAC I2C SPI USART LPUART industrial control home automation IoT