{"product_id":"stm32f303-microcontroller-ics-arm-cortex-m4-mcu-variants","title":"STM32F303 Microcontroller ICs – ARM Cortex-M4 MCU Variants","description":"\u003ch2\u003eSTM32F303 Series Microcontroller ICs\u003c\/h2\u003e\n\u003cp\u003eUpgrade your embedded projects with the \u003cstrong\u003eSTM32F303 series microcontroller ICs\u003c\/strong\u003e — a powerful family of ARM Cortex-M4 based 32-bit MCUs designed for general-purpose applications. Whether you're prototyping, developing motor control systems, or building precision analog applications, the STM32F303 family delivers high performance with an integrated FPU, rich peripherals, and flexible I\/O configurations.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in multiple variants to suit your exact design requirements:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTM32F303CBT6\u003c\/strong\u003e – LQFP-48, 128 KB Flash, 40 KB RAM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTM32F303CCT6\u003c\/strong\u003e – LQFP-48, 256 KB Flash, 40 KB RAM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTM32F303K6T6\u003c\/strong\u003e – LQFP-32, 32 KB Flash, 12 KB RAM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTM32F303K8T6\u003c\/strong\u003e – LQFP-32, 64 KB Flash, 12 KB RAM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTM32F303R8T6\u003c\/strong\u003e – LQFP-64, 64 KB Flash, 16 KB RAM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTM32F303RBT6\u003c\/strong\u003e – LQFP-64, 128 KB Flash, 32 KB RAM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTM32F303RCT6\u003c\/strong\u003e – LQFP-64, 256 KB Flash, 40 KB RAM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTM32F303RDT6\u003c\/strong\u003e – LQFP-64, 384 KB Flash, 64 KB RAM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSTM32F303RET6\u003c\/strong\u003e – LQFP-64, 512 KB Flash, 64 KB RAM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eARM® 32-bit Cortex®-M4 CPU with FPU, up to \u003cstrong\u003e72 MHz\u003c\/strong\u003e clock speed\u003c\/li\u003e\n  \u003cli\u003eEmbedded Flash and SRAM memory — variant-dependent capacities\u003c\/li\u003e\n  \u003cli\u003eHigh-resolution timers for precise PWM and motor control\u003c\/li\u003e\n  \u003cli\u003eUp to \u003cstrong\u003e4× op-amps\u003c\/strong\u003e and \u003cstrong\u003e4× 12-bit ADCs\u003c\/strong\u003e for advanced analog signal processing\u003c\/li\u003e\n  \u003cli\u003eMultiple communication interfaces: SPI, I2C, USART, CAN, USB\u003c\/li\u003e\n  \u003cli\u003eWide operating voltage: \u003cstrong\u003e2.0 V to 3.6 V\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eAvailable in compact LQFP-32, LQFP-48, and LQFP-64 packages\u003c\/li\u003e\n  \u003cli\u003eRoHS-compliant; no high-concern chemicals\u003c\/li\u003e\n  \u003cli\u003eGeneral-purpose use for industrial, consumer, and hobby electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMotor and power control systems\u003c\/li\u003e\n  \u003cli\u003eIndustrial automation and sensing\u003c\/li\u003e\n  \u003cli\u003eRobotics and embedded computing\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and maker projects\u003c\/li\u003e\n  \u003cli\u003eIoT edge devices and sensor hubs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cp\u003e\n  \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the STM32F303 series and what makes it suitable for general-purpose embedded applications?\u003c\/h4\u003e\n\u003cp\u003eA: The STM32F303 series are 32-bit ARM Cortex-M4 microcontrollers from STMicroelectronics featuring a floating-point unit (FPU), high-resolution timers, multiple ADCs, and rich communication peripherals. They are well-suited for a wide range of general-purpose embedded applications including motor control, industrial sensing, and consumer electronics.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I choose the right STM32F303 variant for my project?\u003c\/h4\u003e\n\u003cp\u003eA: Choose based on your required Flash memory size, RAM, I\/O pin count, and package format. For compact designs with fewer pins, the LQFP-32 variants (K6T6, K8T6) are ideal. For more I\/O and larger memory, the LQFP-64 variants (R8T6 through RET6) offer expanded capabilities. The LQFP-48 variants (CBT6, CCT6) provide a balanced middle-ground option.\u003c\/p\u003e\n\u003ch4\u003eQ: What programming tools are compatible with STM32F303 microcontrollers?\u003c\/h4\u003e\n\u003cp\u003eA: STM32F303 MCUs are compatible with ST-LINK\/V2 programmers and popular IDEs including STM32CubeIDE, Keil MDK, and IAR Embedded Workbench. They also support open-source toolchains such as GCC ARM and PlatformIO, making them accessible for both professional engineers and hobbyists.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these ICs RoHS-compliant?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the STM32F303 series ICs in this listing contain no high-concern chemicals and are RoHS-compliant, making them suitable for use in environmentally conscious product designs.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the STM32F303 series and what makes it suitable for general-purpose embedded applications?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The STM32F303 series are 32-bit ARM Cortex-M4 microcontrollers from STMicroelectronics featuring a floating-point unit (FPU), high-resolution timers, multiple ADCs, and rich communication peripherals. 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