{"id":6305,"date":"2026-06-12T11:25:07","date_gmt":"2026-06-12T11:25:07","guid":{"rendered":"https:\/\/materialparts.com\/stm32l412r8t6\/"},"modified":"2026-06-12T11:25:07","modified_gmt":"2026-06-12T11:25:07","slug":"stm32l412r8t6","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/stm32l412r8t6\/","title":{"rendered":"STM32L412R8T6"},"content":{"rendered":"<h2>\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n<p>The STM32L412R8T6 from STMicroelectronics is an ultra-low-power ARM Cortex-M4 MCU with FPU running at 80MHz, featuring 128KB Flash and 40KB RAM. With USB 2.0 FS, 12-bit ADC, dual DAC, and multiple low-power modes down to 30nA standby, it is optimized for battery-powered IoT and wearable applications.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<table>\n<tr>\n<td>\u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0627\u062a<\/td>\n<td>ARM Cortex-M4 @ 80MHz with FPU<\/td>\n<\/tr>\n<tr>\n<td>\u0641\u0644\u0627\u0634<\/td>\n<td>128 \u0643\u064a\u0644\u0648 \u0628\u0627\u064a\u062a<\/td>\n<\/tr>\n<tr>\n<td>RAM<\/td>\n<td>40KB<\/td>\n<\/tr>\n<tr>\n<td>USART<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>SPI<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>I2C<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>USB<\/td>\n<td>1x USB 2.0 Full-Speed<\/td>\n<\/tr>\n<tr>\n<td>ADC<\/td>\n<td>1x 12-bit, 10 channels<\/td>\n<\/tr>\n<tr>\n<td>DAC<\/td>\n<td>2x 12-bit<\/td>\n<\/tr>\n<tr>\n<td>\u062c\u0647\u062f \u0627\u0644\u0625\u0645\u062f\u0627\u062f<\/td>\n<td>1.62V &#8211; 3.6V<\/td>\n<\/tr>\n<tr>\n<td>Stop Mode Current<\/td>\n<td>0.8\u00b5A<\/td>\n<\/tr>\n<tr>\n<td>Standby Mode Current<\/td>\n<td>30nA<\/td>\n<\/tr>\n<tr>\n<td>\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n<td>-40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +85 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\n<td>LQFP-64 (10x10mm)<\/td>\n<\/tr>\n<\/table>\n<h2>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n<ul>\n<li>Ultra-low-power Cortex-M4 with hardware FPU for DSP acceleration<\/li>\n<li>0.8\u00b5A Stop mode and 30nA Standby mode for long battery life<\/li>\n<li>USB 2.0 Full-Speed device with integrated PHY<\/li>\n<li>12-bit ADC up to 5MSPS and dual 12-bit DAC<\/li>\n<li>40KB RAM with 128KB Flash for complex applications<\/li>\n<li>Chrom-ART Accelerator for efficient 2D graphics DMA<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n<ul>\n<li>Battery-powered IoT sensor nodes and wearables<\/li>\n<li>USB-connected portable medical devices<\/li>\n<li>Smart metering and energy harvesting systems<\/li>\n<li>Low-power consumer electronics<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The STM32L412R8T6 from STMicroelectronics is an ultra-low-power ARM Cortex-M4 MCU with FPU running at 80MHz, featuring 128KB Flash and 40KB RAM. With USB 2.0 FS, 12-bit ADC, dual DAC, and multiple low-power modes down to 30nA standby, it is optimized for battery-powered IoT and wearable applications. Key Specifications Core ARM Cortex-M4 @ 80MHz [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[142],"class_list":["post-6305","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-st"],"acf":{"brief_explanation":"Ultra-low-power Cortex-M4 MCU, 80MHz, 128KB Flash, 40KB RAM, USB FS, LQFP-64","date_code":"","package_case":"LQFP-64 (10x10mm, 0.5mm pitch)","in_stock":5984,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/stm32l412.pdf","price":"$2.80 @1ku","product_introduction":"The STM32L412R8T6 from STMicroelectronics is an ultra-low-power ARM Cortex-M4 microcontroller with hardware floating-point unit, optimized for battery-powered applications. Running at 80MHz with 128KB Flash and 40KB RAM, it integrates USB 2.0 Full-Speed, a 12-bit ADC, dual 12-bit DAC, and comprehensive communication peripherals. The device achieves 0.8\u00b5A in Stop mode and 30nA in Standby mode, enabling multi-year battery operation in IoT and wearable applications.","working_principle":"The STM32L412R8T6 is built on ST's ultra-low-power platform using a Cortex-M4 core with hardware FPU for efficient DSP computation. The power management system provides multiple low-power modes: Run (dynamic voltage scaling), Sleep (CPU stopped, peripherals running), Stop (all clocks stopped, SRAM retained, 0.8\u00b5A), and Standby (only RTC and wakeup logic active, 30nA). Wakeup from Stop takes only 4\u00b5s. The USB 2.0 controller handles all protocol layers with minimal CPU overhead. The Chrom-ART Accelerator is a 2D DMA engine that offloads common graphics operations (memory-to-memory copy, blending, pixel format conversion) from the CPU.","pin_description":"<table><tr><th>Pin Group<\/th><th>Count<\/th><th>Description<\/th><\/tr><tr><td>PA0-PA15<\/td><td>16<\/td><td>Port A GPIO, ADC, DAC, TIM, USART, SPI, I2C, USB<\/td><\/tr><tr><td>PB0-PB15<\/td><td>16<\/td><td>Port B GPIO, ADC, TIM, USART, SPI, I2C<\/td><\/tr><tr><td>PC0-PC15<\/td><td>16<\/td><td>Port C GPIO, ADC, TIM, USART, SPI<\/td><\/tr><tr><td>PD0-PD2<\/td><td>3<\/td><td>Port D GPIO<\/td><\/tr><tr><td>PH0-PH1<\/td><td>2<\/td><td>OSC_IN\/OSC_OUT (crystal)<\/td><\/tr><tr><td>NRST<\/td><td>1<\/td><td>Reset input<\/td><\/tr><tr><td>BOOT0<\/td><td>1<\/td><td>Boot mode selection<\/td><\/tr><tr><td>VDD\/VSS<\/td><td>8<\/td><td>Power supply and ground pairs<\/td><\/tr><tr><td>VDDA\/VSSA<\/td><td>2<\/td><td>Analog supply and ground<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Battery-powered IoT wireless sensor nodes with USB firmware update<\/li><li>Portable medical devices (blood glucose, pulse oximeters)<\/li><li>Smart metering with energy harvesting power sources<\/li><li>Wearable fitness trackers and health monitors<\/li><\/ul>","alternative_models":"<table><tr><th>Model<\/th><th>Manufacturer<\/th><th>Core<\/th><th>Flash<\/th><th>RAM<\/th><\/tr><tr><td>STM32L422RBT6<\/td><td>ST<\/td><td>M4 80MHz<\/td><td>128KB<\/td><td>40KB<\/td><\/tr><tr><td>STM32L432KC<\/td><td>ST<\/td><td>M4 80MHz<\/td><td>256KB<\/td><td>64KB<\/td><\/tr><tr><td>SAMR34J18B<\/td><td>Microchip<\/td><td>M0+ 48MHz<\/td><td>256KB<\/td><td>40KB<\/td><\/tr><tr><td>nRF52832<\/td><td>Nordic<\/td><td>M4 64MHz<\/td><td>512KB<\/td><td>64KB<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6305","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=6305"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6305\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=6305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=6305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=6305"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=6305"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}