STM32G031F4P6
STM32G031F4P6 - 64MHz Cortex-M0+ 16KB MCU | STMicroelectronics
STMicroelectronics STM32G031F4P6 is an ARM Cortex-M0+ 32-bit microcontroller with a 64 MHz maximum CPU frequency, 16 KB of Flash memory, 8 KB of RAM, and a 20-TSSOP package. The device belongs to the STM32G0 series and targets compact embedded systems requiring efficient general-purpose control, low power consumption, and a small package footprint.
A microcontroller is a programmable semiconductor that integrates a CPU core, nonvolatile program memory, volatile data memory, and peripherals on one device. Within the product hierarchy, the STM32G031F4P6 is an ARM Cortex-M0+ MCU, an STM32G0-series microcontroller, and a 32-bit embedded-control semiconductor. Its combination of 64 MHz processing, 16 KB Flash, and 8 KB RAM is suitable for small control systems, embedded accessories, instrumentation, and compact consumer products.
Verified distributor information identifies the part as a 3 V, 20-TSSOP device with 16 KB Flash and 8 KB RAM. The 20-pin TSSOP format supports compact PCB layouts while retaining accessible peripheral connections. The exact pin names, voltage limits, peripheral inventory, current ratings, and environmental limits were not included in the supplied source snippets and therefore require confirmation from the manufacturer datasheet before a new design is released.
The Cortex-M0+ architecture provides a 32-bit processing environment with an emphasis on efficient embedded control. A 64 MHz clock gives the processor more timing headroom for input sampling, state-machine logic, communication tasks, and control-loop updates than lower-frequency microcontrollers. Memory use is the main design constraint: 16 KB Flash must hold the bootloader, application code, and constant data, while 8 KB RAM must support stack depth, working variables, buffers, and peripheral data.
Typical uses include small motor and relay controllers, sensor-hub nodes, compact industrial modules, communication-assisted accessories, and low-cost embedded products where a full STM32G0 system is unnecessary. Designers should include external flash only if the application exceeds the internal memory budget. Software migration decisions should also account for peripheral differences between STM32G0 variants, even when several parts share the same package.
Before layout or firmware release, verify the exact pin assignment, alternate-function mapping, decoupling requirements, operating-voltage limits, exposed programming/test pins, and absolute maximum ratings in the manufacturer datasheet. The supplied records confirm the core identity, memory configuration, clock, package, and a verified LCSC unit price of $0.6593 as of 2026-10-30, but they do not provide complete electrical or pinout tables.
This page combines verified distributor specifications, sourced replacement candidates, procurement data, and practical memory-budget guidance. It also identifies where manufacturer-level verification is mandatory, preventing incomplete distributor snippets from being mistaken for complete production specifications.
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