STM32G041F8P6 - 64MHz ARM Cortex-M0+ MCU | STMicroelectronics
MPN： STM32G041F8P6 ✓ 啟用中STM32G041F8P6 概覽
What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the backbone of modern electronics, found in everything from automotive engine control units to consumer appliances and IoT devices. The STM32G0 series sits within the broader STM32 family, which is a leading ARM Cortex-M based MCU portfolio, and is positioned as an entry-level, high-efficiency option for applications requiring low power and high integration.
Key features of the STM32G041F8P6 include a 64 MHz ARM Cortex-M0+ core with memory protection unit (MPU), 32 KB flash, 8 KB SRAM, and a comprehensive set of peripherals. It supports a supply voltage range of 1.7V to 3.6V, with an operating temperature range of -40°C to +85°C. The device includes a 12-bit ADC with up to 19 channels, a 12-bit DAC, multiple 16-bit timers, and a low-power UART. It also features a hardware random number generator (RNG) and a cyclic redundancy check (CRC) unit, enhancing security and data integrity for industrial and IoT applications.
Technically, the STM32G041F8P6 is built on a 90nm process technology, offering a balance between performance and power consumption. It supports multiple low-power modes, including Sleep, Stop, and Standby, with a typical standby current of 0.3 µA, making it ideal for battery-powered devices. The device also includes a high-speed internal oscillator (HSI) that can be calibrated to achieve ±1% accuracy, reducing the need for external crystals in many applications.
Typical applications include industrial sensors, smart home devices, portable medical monitors, and motor control systems. Its rich analog peripherals and low-power capabilities make it particularly well-suited for sensor interfacing and data acquisition. The compact TSSOP-20 package allows for minimal PCB footprint, enabling high-density designs.
When designing with this MCU, ensure proper decoupling of the VDD pins with 100nF capacitors placed close to the device. For applications requiring precise timing, use the external crystal oscillator (HSE) or calibrate the internal HSI. The device supports in-circuit programming and debugging via SWD, simplifying firmware development.
直接替換替代品，適用於 STM32G041F8P6 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： STM32G041F8P6 （相同外形與佔位） — 差異在於 Flash Memory, Package, Communication Interfaces, Maximum CPU Frequency, SRAM.
STM32G031F8P6
✅ 直接替換 ⚠️ 規格未經驗證✓ 有庫存
$1.0664 / 單位
查看資料表 →STM32G041F8P6TR
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32G041F8P6T
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
LPC812M101JDH20
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
EFM8BB21F16G-A-QFN20
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32G041F8P6 最大額定值與電氣特性
| Core | ARM Cortex-M0+ |
| 最大時脈頻率 | 64 MHz |
| Flash Memory | 32 KB |
| SRAM | 8 KB |
| Supply Voltage Range | 1.7 V to 3.6 V |
| 工作溫度範圍 | -40°C to +85°C |
| 封裝 | TSSOP-20 |
| ADC Resolution | 12-bit |
| ADC Channels | 19 |
| DAC Resolution | 12-bit |
| Timer Count | Multiple 16-bit timers |
| Communication Interfaces | I2C, SPI, USART |
| Low-Power RTC | Yes |
| Standby Current | 0.3 µA (typical) |
| Process Technology | 90nm |
| Internal Oscillator Accuracy | ±1% (calibrated HSI) |
| Hardware RNG | Yes |
| CRC Unit | Yes |
| Debug Interface | SWD |
| RoHS 狀態 | Compliant |
STM32G041F8P6 腳位配置
| 腳位 1 | VBAT — Battery backup supply for RTC |
| 腳位 2 | PC14 — GPIO / OSC32_IN |
| 腳位 3 | PC15 — GPIO / OSC32_OUT |
| 腳位 4 | NRST — Reset (active low) |
| 腳位 5 | VDD — Digital power supply |
| 腳位 6 | VSS — Ground |
| 腳位 7 | PA0 — GPIO / ADC_IN0 |
| 腳位 8 | PA1 — GPIO / ADC_IN1 |
| 腳位 9 | PA2 — GPIO / USART2_TX |
| 腳位 10 | PA3 — GPIO / USART2_RX |
| 腳位 11 | PA4 — GPIO / DAC_OUT1 |
| 腳位 12 | PA5 — GPIO / SPI1_SCK |
| 腳位 13 | PA6 — GPIO / SPI1_MISO |
| 腳位 14 | PA7 — GPIO / SPI1_MOSI |
| 腳位 15 | PB0 — GPIO / ADC_IN8 |
| 腳位 16 | PB1 — GPIO / ADC_IN9 |
| 腳位 17 | PB2 — GPIO / BOOT1 |
| 腳位 18 | PB10 — GPIO / I2C2_SCL |
| 腳位 19 | PB11 — GPIO / I2C2_SDA |
| 腳位 20 | VDD — Digital power supply |
典型應用
STM32G041F8P6 適用於 6 應用s: Industrial Sensors, Smart Home Devices, Portable Medical Monitors, Motor Control Systems, IoT Edge Nodes, Battery-Powered Devices.
Industrial Sensors
The STM32G041F8P6 is ideal for industrial sensor applications due to its 12-bit ADC with 19 channels, which can interface with various analog sensors. Its low power consumption and wide operating temperature range (-40°C to +85°C) ensure reliable operation in harsh industrial environments. The MCU's multiple communication interfaces (I2C, SPI, USART) allow easy integration with industrial networks. Its compact TSSOP-20 package enables space-saving designs in sensor modules. The 64 MHz Cortex-M0+ core provides sufficient processing power for sensor data acquisition and preprocessing. Additionally, the hardware CRC unit enhances data integrity in communication protocols.
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Smart Home Devices
The STM32G041F8P6 is well-suited for smart home devices such as smart thermostats, lighting controls, and security systems. Its ultra-low standby current of 0.3 µA extends battery life in wireless sensors and actuators. The integrated 12-bit ADC and DAC enable analog sensor interfacing and control signal generation. The MCU supports multiple low-power modes (Sleep, Stop, Standby) to optimize energy consumption. Its rich peripheral set, including timers and communication interfaces, allows seamless integration with Wi-Fi or Bluetooth modules. The compact TSSOP-20 package fits into small form-factor devices, making it ideal for modern smart home designs.
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Portable Medical Monitors
The STM32G041F8P6 is an excellent choice for portable medical monitors like pulse oximeters, glucose meters, and heart rate monitors. Its low power consumption (0.3 µA standby) is critical for battery-powered devices. The 12-bit ADC provides high-resolution measurement of biosignals, while the 12-bit DAC can generate analog outputs for alarms or calibration. The MCU's small TSSOP-20 package allows for miniaturized designs, essential for wearable medical devices. The hardware RNG enhances security for patient data encryption. The wide operating temperature range ensures reliable operation in various clinical environments.
推薦
Motor Control Systems
The STM32G041F8P6 is suitable for motor control applications such as brushless DC (BLDC) motor drives and stepper motor controllers. Its multiple 16-bit timers can generate precise PWM signals for motor speed and direction control. The 12-bit ADC measures motor currents and voltages for closed-loop control. The 64 MHz clock speed provides fast processing for control algorithms like FOC (Field-Oriented Control). The MCU's low power consumption is beneficial for battery-powered motor applications. The compact package allows integration into motor driver modules. The hardware CRC unit ensures reliable communication in industrial motor control networks.
推薦
IoT Edge Nodes
The STM32G041F8P6 is an ideal MCU for IoT edge nodes that collect data from sensors and transmit it to the cloud. Its low power consumption (0.3 µA standby) enables long battery life in remote sensors. The integrated ADC and communication interfaces (I2C, SPI, USART) allow easy connection to various sensors and wireless modules. The hardware RNG enhances security for secure communication protocols. The MCU's small TSSOP-20 package is perfect for compact IoT devices. The 64 MHz Cortex-M0+ core provides enough processing power for edge computing tasks like data filtering and aggregation.
推薦
Battery-Powered Devices
The STM32G041F8P6 is specifically designed for battery-powered devices due to its ultra-low standby current of 0.3 µA and multiple low-power modes. It supports Sleep, Stop, and Standby modes, allowing designers to minimize power consumption during idle periods. The wide supply voltage range (1.7V to 3.6V) is compatible with single-cell batteries. The integrated peripherals reduce the need for external components, saving board space and power. The compact TSSOP-20 package is ideal for portable devices like remote controls, wearables, and wireless sensors. The 64 MHz clock speed ensures fast wake-up and processing when needed.
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推薦產品摘要
工程參考資料，適用於 STM32G041F8P6 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | STM32G031F8P6 | LPC812M101JDH20 | EFM8BB21F16G-A-QFN20 |
|---|---|---|---|---|
| Package | TSSOP-20 | TSSOP-20 - same | TSSOP-20 - same | TSSOP-20 - same |
| Brand | STMicroelectronics | STMicroelectronics | NXP Semiconductors | Silicon Labs |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | 8051 |
| Max Clock Frequency | 64 MHz | 64 MHz | 30 MHz | 50 MHz |
| Flash Memory | 32 KB | 32 KB | 16 KB | 16 KB |
| SRAM | 8 KB | 8 KB | 4 KB | 2 KB |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit |
| DAC | 12-bit | None | None | None |
| Standby Current | 0.3 µA | 0.3 µA | 1.5 µA | 0.5 µA |
| Hardware RNG | Yes | No | No | No |
主要差異化特點
- Integrated 12-bit DAC (對比STM32G031F8P6)
- Hardware Random Number Generator (RNG) (對比STM32G031F8P6)
- Lower standby current (對比LPC812M101JDH20)
設計說明
Ensure proper decoupling of the VDD pins with 100nF capacitors placed as close to the pins as possible. Additionally, add a 4.7µF bulk capacitor on the main power rail. For battery-powered designs, utilize the low-power modes (Sleep, Stop, Standby) to minimize current consumption. The standby current is only 0.3 µA, but ensure all GPIOs are configured correctly to avoid leakage currents.
For the TSSOP-20 package, ensure the PCB footprint matches the recommended land pattern from the datasheet. Use a 0.65mm pitch with appropriate pad sizes. Place the crystal oscillator (if used) close to the OSC pins and keep traces short to minimize parasitic capacitance. For the SWD debug interface, route the SWDIO and SWCLK signals with controlled impedance if possible.
Do not exceed the absolute maximum ratings, especially the supply voltage of 3.6V. When using the internal HSI oscillator, calibrate it to achieve ±1% accuracy if precise timing is required. For applications using the ADC, ensure the reference voltage is stable and bypassed with a capacitor. Also, be aware that the STM32G041F8P6 does not have a dedicated VREF pin; the ADC reference is tied to VDD.
合規資訊
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified - this is a standard grade MCU.
