STM32G041F6P6
STM32G041F6P6 - 64MHz Cortex-M0+ MCU | STMicroelectronics
The STMicroelectronics STM32G041F6P6 is a 32-bit Arm Cortex-M0+ microcontroller operating up to 64 MHz, with 32 KB of Flash memory, 8 KB of RAM, and a 20-pin TSSOP package. It supports a 1.7 V to 3.6 V operating voltage range and includes two USART peripherals, timers, an ADC, communication interfaces, and AES-256 hardware encryption. The STM32G041F6P6 is positioned for compact, cost-sensitive embedded systems where a small package and low-voltage operation are important.
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, peripherals, and communication interfaces on one device. The STM32G041F6P6 belongs to the STM32G0 mainstream family and uses the Arm Cortex-M0+ architecture, a 32-bit RISC core designed for energy-efficient control applications. Its role in the broader hierarchy is embedded controller → microcontroller → Arm Cortex-M0+ MCU, where the integrated peripherals reduce the need for external components in control, sensing, and communications products.
Key features include a maximum 64 MHz operating frequency, 32 KB of Flash memory, and 8 KB of RAM. Two USART peripherals support serial communication, while the integrated ADC supports analog measurement functions. AES-256 hardware encryption provides a dedicated cryptographic capability without requiring a general-purpose software implementation. The 1.7 V to 3.6 V supply range allows operation from common low-voltage rails, and the TSSOP-20 package supports compact, surface-mount PCB layouts.
The Arm Cortex-M0+ core provides a straightforward exception-based architecture and efficient instruction execution for embedded workloads. Flash memory retains programmed firmware, while RAM supports stack, variables, and working data. The combination of two USARTs, an ADC, timers, and communication interfaces permits one MCU to consolidate several common peripheral functions, reducing board area and simplifying firmware design in small industrial, consumer, and communications equipment.
Typical applications include compact sensor controllers, serial data concentrators, industrial monitoring nodes, battery-powered instruments, and small communication modules. The STM32G041F6P6 is particularly appropriate when the design needs two serial channels, analog measurement, encrypted data handling, and a 64 MHz control loop without requiring a larger microcontroller package. Its low-voltage supply range also fits systems powered by regulated 3.3 V rails or compatible low-energy power sources.
Designers should verify the complete pin assignment, exposed electrical limits, clock configuration, and peripheral allocation against the manufacturer datasheet before layout release. Decoupling, programming access, reset behavior, and analog-input conditioning remain essential integration details. Because the supplied data does not include a verified pin table, no pin names are inferred in this record, and a footprint-only substitution should not be assumed to be functionally identical.
This page combines verified manufacturer and distributor information, explicit data gaps, application-oriented design guidance, and same-brand drop-in candidates for engineering review. It distinguishes confirmed STM32G041F6P6 attributes from alternatives that require datasheet-level pin, memory, peripheral, and firmware validation before production use.
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