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STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20
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STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20

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STM32G031F8P6 Product Overview

STM32G031F8P6 is a Cortex-M0+ MCU at 64 MHz, TSSOP-20. 64 KB Flash, 8 KB SRAM, 12-bit ADC (10 ch), 1 comparator, LP timers, RTC, 2×USART, 1×SPI, 1×I2C. 18 x 5 V-tolerant I/Os. 2.0–3.6 V, -40–85 °C. Compared to STM32G031F6P6 (32 KB Flash), doubles Flash to 64 KB for more program storage in analog-sensing applications.

STM32G031F8P6 Core Features

Core: Cortex-M0+ 64 MHz Memory: 64 KB Flash, 8 KB SRAM Analog: 12-bit ADC (10 ch), 1× comparator Connectivity: 2×USART, 1×SPI, 1×I2C Timers: Advanced PWM, LP timers, RTC I/Os: 18 (5 V-tolerant) Package: TSSOP-20

STM32G031F8P6 Applications

Sensor signal conditioning, home appliances, consumer electronics, IoT nodes, compact analog applications needing larger storage

STM32G031F8P6 Key Advantages

64 MHz Cortex-M0+ with comparator: Efficient performance and analog integration 64 KB Flash for more code space Ultra-small 20-pin package saves board space Wide 2.0–3.6 V for battery operation

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STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20 STM32G031F8P6 ST Mainstream Arm Cortex-M0+ Low-Power 32-bit MCU 64KB Flash 8KB SRAM ADC Comparator TSSOP-20




FAQ

1. What is the STM32G031F8P6, and what unique advantages does the TSSOP‑20 package offer?
The STM32G031F8P6 is a cost‑effective compact MCU from STMicroelectronics' STM32G0 series, built around a 64 MHz Arm® Cortex®‑M0+ core in a TSSOP‑20 package (6.5 mm × 4.4 mm). It features 64 KB Flash, 8 KB SRAM, two low‑power UARTs, two SPI/I²C interfaces, and a high‑precision 12‑bit ADC. The TSSOP‑20 package’s greatest advantage lies in its exposed leads with a 0.65 mm pitch, which can be drag‑soldered with a standard iron—much easier than QFN packages. With up to 18 usable I/Os, it strikes a perfect balance between the too‑few pins of an SO8N and the soldering difficulty of a QFN, making it ideal for small embedded devices that need a moderate number of peripherals while keeping manufacturing cost and complexity low.

2. Are 64 KB Flash and 8 KB SRAM sufficient? What kind of programs can they run?
The 64 KB Flash can comfortably accommodate a lightweight RTOS (such as FreeRTOS), multiple sensor drivers, UART/SPI communication stacks, and moderately complex control logic. The 8 KB SRAM requires careful task‑stack and variable allocation, but is perfectly adequate for relatively fixed‑function applications—such as environmental sensor data collection, simple motor control, or serial‑to‑wireless bridging. If more memory is needed later, you can upgrade to the pin‑compatible G071F8P6 or G071GBT6 with 128 KB Flash and 36 KB SRAM, with minimal hardware changes.

3. How does the STM32G031F8P6 differ from the G031J6M6 (SO8N) and G031G6U6 (QFN‑28)? How should I choose based on package and I/O needs?
All three share the same processor core and communication peripherals (2× UART, 2× SPI/I²C). The key differences lie in the package, I/O count, and Flash capacity. The F8P6 uses a TSSOP‑20 package with 18 I/Os and 64 KB Flash, offering easy hand‑solderability and a moderate pin count. The J6M6 uses an SO8N package with only 6 I/Os and 32 KB Flash, targeting extreme space‑ and cost‑constrained single‑function devices. The G6U6 uses a QFN‑28 package with about 23 I/Os and 32 KB Flash, providing a smaller footprint but more challenging soldering. If your project needs 8–18 I/Os, easy hand‑soldering, and a reasonable amount of program space, the F8P6 is the best choice.

4. Does this chip have a USB or CAN interface? What if I need those?
The G031 series does not integrate USB or CAN FD controllers; its communication relies on two low‑power UARTs and two SPI/I²C interfaces. If USB is a must, you can add an external USB‑UART chip such as the CH340. If you require CAN bus, you can upgrade to the pin‑compatible G071F8P6 or G071GBT6 (with a built‑in FDCAN controller), with minimal hardware changes and extensive code reuse.

5. Is the TSSOP‑20 package really easy to solder? How does it compare with SO8N and QFN?
Yes. TSSOP‑20 has exposed leads with a 0.65 mm pitch; while slightly denser than the SO8N’s 1.27 mm pitch, it is still very straightforward to drag‑solder with a standard iron and flux—no hot‑air station required. Compared to the SO8N’s 8 pins, the TSSOP‑20 offers far more I/O resources. Compared to QFN packages that require reflow soldering and cannot be visually inspected, the TSSOP‑20 provides overwhelming advantages in repairability and low‑volume production, making it an excellent choice for hobbyists, students, and small teams for prototyping.

6. What is its power consumption like? Is it suitable for battery‑powered portable devices?
Excellent. The G0 series features a run‑mode current of about 100 µA/MHz and supports multiple low‑power modes—Sleep, Stop, and Standby—with Standby current dropping to the micro‑amp range while retaining the RTC and backup registers. Combined with fast wake‑up times, it can easily achieve years of battery life, making it ideal for wireless sensor nodes, wearables, and outdoor monitoring tools.

7. How accurate is the built‑in 12‑bit ADC? Can it meet typical sensor acquisition needs?
It integrates a 12‑bit successive‑approximation ADC with a maximum sampling rate of 2.5 Msps and up to 16 external input channels. Its accuracy and speed are fully adequate for common sensor signals such as current, voltage, and temperature measurements—often without the need for an external dedicated ADC chip. Multiple ADC channels remain accessible even in the TSSOP‑20 package.

8. What are the main upgrades of the STM32G031F8P6 over the STM32F0 series?
Compared to the STM32F0, the G031 series offers significant improvements: core frequency increases from 48 MHz to 64 MHz; Flash and SRAM capacities are larger (64 KB/8 KB vs. typical 16–32 KB/4–8 KB on the F0); the ADC is more advanced; and overall power management is more refined. It delivers better processing performance and energy efficiency at an entry‑level price, making it an ideal replacement and upgrade for F0 designs.

9. What development tools are needed for the STM32G031F8P6? Is it compatible with the previous STM32 ecosystem?
It is fully compatible with the STM32Cube ecosystem, including the free STM32CubeMX and STM32CubeIDE, along with the STM32CubeG0 firmware package. Code from STM32F0 or F1 projects can be largely reused, with the main adjustments being peripheral configuration and pin mapping. For rapid prototyping, the NUCLEO‑G031K8 board features an LQFP‑32 package with highly compatible pinout and functionality, allowing direct code migration to the TSSOP‑20 chip.

10. If I later need more storage or USB/CAN functionality, what upgrade options are available?
For larger Flash and SRAM, you can directly upgrade to the same‑package TSSOP‑20 STM32G071F8P6 (128 KB Flash, 36 KB SRAM, adds USB‑C and FDCAN) with zero hardware changes. If you need more I/Os, choose the TSSOP‑20 G071G8T6 or the LQFP‑32 G071K8T6. All these upgrades remain within the same STM32Cube ecosystem, allowing extensive code reuse and minimal migration effort.

Property:
Specification
Product Type:
Arm Cortex-M0+ Low-Power 32-bit MCU
Brand:
STMicroelectronics
Core:
Cortex-M0+ 64 MHz
Package:
TSSOP-20
Memory:
64 KB Flash, 8 KB SRAM
Analog:
12-bit ADC, 1× Comparator
Connectivity:
USART, SPI, I2C
I/Os:
18
Voltage:
2.0V–3.6V
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