{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F103RET6TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F103RET6TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F103RET6TR","factsUrl":"https://icboms.com/api/mcp/products/STM32F103RET6TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F1 series, STM32F103RET6TR, ARM Cortex-M3, 32-Bit Single-Core, 72MHz, 512KB Flash, 64K x 8 RAM, 51 I/O, CANbus, I²C, SPI, UART/USART, USB, 64-LQFP, -40°C ~ 85°C.","salesMarkdown":"## 72 MHz Cortex-M3 with 512 KB Flash — the workhorse MCU for industrial control It packs 51 general-purpose I/Os, a motor-control PWM timer, CANbus, multiple USART/UART, SPI, and I²C interfaces, plus a 16-channel 12-bit ADC and a 2-channel 12-bit DAC. The 512 KB Flash (512K x 8) is the high-density option in the STM32F103 value line, giving room for a real-time OS, a TCP/IP or CANopen stack, and application code without squeezing into the 128 KB or 256 KB tiers. The 64K x 8 SRAM handles moderate packet buffering and control-loop state. If your firmware already targets the STM32F103RET6 (the tray-pack variant), the TR suffix only changes the shipping medium — the silicon is identical. The 72 MHz core with zero-wait-state Flash access at up to 24 MHz (programmable wait states above that) keeps the CPU fed for timer-driven PWM updates and protocol parsing. ## What the temperature range and peripherals tell you about deployment The peripheral set — motor-control PWM, CANbus, multiple UART/USART, SPI, I²C, and USB — is tailored for drives, PLC I/O modules, and sensor hubs that need to talk to both fieldbus networks and a host controller. The 16-channel 12-bit ADC (A/D 16x12b) and 2-channel 12-bit DAC (D/A 2x12b) handle analog feedback from current shunts or thermistors directly, reducing external component count. The internal oscillator (Oscillator Type: Internal) can save a crystal in cost-sensitive builds, though external clocking is recommended for CAN or USB where timing precision matters. ## Package and footprint — 64-LQFP 10x10 mm The 64-LQFP package (Supplier Device Package: 64-LQFP 10x10 mm) is a standard 0.5 mm pitch quad flat pack, surface-mount.","metaTitle":"STM32F103RET6TR STM32F1 ARM Cortex-M3 MCU, 72 MHz","metaDescription":"STM32F103RET6TR 32-bit MCU with ARM Cortex-M3 core, 72 MHz speed, 512 KB Flash, 64K x 8 RAM, 51 I/O, CANbus, motor-control PWM, -40 to 85°C. Active lifecycle.","metaKeywords":null},"attributes":{"series":"STM32F1","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"72MHz","Series":"STM32F1","Package":"Tape & Reel (TR) Cut Tape (CT)","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"51","Core Processor":"ARM® Cortex®-M3","Package / Case":"64-LQFP","Product Status":"Active","Data Converters":"A/D 16x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F103","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"64-LQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$11.0700","priceTiers":[{"qty":1,"price":"$11.07000","currency":"USD"},{"qty":10,"price":"$9.99600","currency":"USD"},{"qty":25,"price":"$9.53080","currency":"USD"},{"qty":100,"price":"$8.27560","currency":"USD"},{"qty":250,"price":"$7.90368","currency":"USD"},{"qty":500,"price":"$7.20630","currency":"USD"},{"qty":1000,"price":"$6.27646","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/72e2217711e2aa33719949448f146656.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F103RET6TR/alternatives.json"},"ai":{"faq":[{"question":"What is the difference between STM32F103RET6 and STM32F103RCT6?","answer":"The primary difference is Flash memory density. The STM32F103RET6 carries 512 KB of Flash, while the STM32F103RCT6 carries 256 KB. Both use the same 64-LQFP package, 72 MHz Cortex-M3 core, 64K x 8 SRAM, and peripheral set. The RET6 is the higher-density option for firmware that exceeds 256 KB."},{"question":"What is STM32F103RET6TR's listed speed?","answer":"The core speed is 72 MHz, based on the ARM Cortex-M3 processor. This is the maximum clock rate; the PLL and Flash wait states must be configured accordingly in firmware."},{"question":"STM32F103RET6TR datasheet — where to download?","answer":"The datasheet and reference manual for the STM32F103x8/xB density line are available from STMicroelectronics' website under the base product number STM32F103. The TR suffix does not change the technical content — it only indicates Tape & Reel packaging."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F103RET6TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F103RET6TR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}