{"id":7050,"date":"2026-06-23T02:56:01","date_gmt":"2026-06-23T02:56:01","guid":{"rendered":"https:\/\/materialparts.com\/stm32l476vet6\/"},"modified":"2026-06-23T02:56:01","modified_gmt":"2026-06-23T02:56:01","slug":"stm32l476vet6","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/stm32l476vet6\/","title":{"rendered":"STM32L476VET6"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The STM32L476VET6 from STMicroelectronics is an ultra-low-power Arm Cortex-M4 32-bit microcontroller with FPU operating at up to 80 MHz, featuring 512 kB flash, 128 kB SRAM, USB OTG FS, LCD controller, and rich analog peripherals in a 100-pin LQFP package. With FlexPowerControl enabling 30 nA shutdown mode and 100 \u03bcA\/MHz run mode, it is optimized for battery-powered and energy-harvesting applications requiring high performance and extended battery life.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n
CPU Core<\/td>\nArm Cortex-M4 with FPU, 100 DMIPS<\/td>\n<\/tr>\n
Max Clock Speed<\/td>\n80 MHz<\/td>\n<\/tr>\n
Flash Memory<\/td>\n512 kB (dual-bank, read-while-write)<\/td>\n<\/tr>\n
SRAM<\/td>\n128 kB (incl. 32 kB with parity)<\/td>\n<\/tr>\n
ADC<\/td>\n3x 12-bit, 5 Msps (up to 16-bit oversampled)<\/td>\n<\/tr>\n
\u53d1\u63f4\u4f1a<\/td>\n2x 12-bit<\/td>\n<\/tr>\n
I\/O Pins<\/td>\n82 (most 5V tolerant)<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n1.71 V to 3.6 V<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Ultra-low-power FlexPowerControl: 30 nA shutdown, 120 nA standby, 100 \u03bcA\/MHz run<\/li>\n
  • Dual-bank flash with read-while-write capability for safe firmware updates<\/li>\n
  • ART Accelerator enabling zero-wait-state execution from flash at 80 MHz<\/li>\n
  • Rich analog: 3x ADC, 2x DAC, 2x op-amps, 2x comparators, voltage reference buffer<\/li>\n
  • USB OTG 2.0 full-speed with LPM and BCD<\/li>\n
  • LCD controller 8×40\/4×44 with internal step-up converter<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Wearable devices and health monitors with LCD display<\/li>\n
    • Industrial sensors and metering with ultra-low-power modes<\/li>\n
    • Portable medical instruments and data loggers<\/li>\n
    • IoT edge nodes with USB connectivity<\/li>\n
    • Consumer electronics with battery-powered operation<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The STM32L476VET6 from STMicroelectronics is an ultra-low-power Arm Cortex-M4 32-bit microcontroller with FPU operating at up to 80 MHz, featuring 512 kB flash, 128 kB SRAM, USB OTG FS, LCD controller, and rich analog peripherals in a 100-pin LQFP package. With FlexPowerControl enabling 30 nA shutdown mode and 100 \u03bcA\/MHz run mode, it […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[142],"class_list":["post-7050","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-st"],"acf":{"brief_explanation":"80MHz Cortex-M4 MCU with FPU, 512kB Flash, 128kB SRAM, USB OTG, LCD, ultra-low-power, LQFP-100","date_code":"","package_case":"LQFP-100 (14 x 14 x 1.4 mm)","in_stock":6834,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/stm32l476ve.pdf","price":"$5.57 @ 1ku","product_introduction":"The STM32L476VET6 is an ultra-low-power microcontroller from STMicroelectronics based on the high-performance Arm Cortex-M4 32-bit RISC core with floating-point unit (FPU) operating at up to 80 MHz. The Cortex-M4 core supports all Arm single-precision data-processing instructions, DSP instructions, and a memory protection unit (MPU). The device offers 512 kB dual-bank flash with read-while-write, 128 kB SRAM including 32 kB with hardware parity check, and an external memory interface for SRAM, PSRAM, NOR, and NAND. Rich analog peripherals include three 12-bit ADCs at 5 Msps, two 12-bit DACs, two operational amplifiers with built-in PGA, two comparators, and an internal voltage reference buffer. The integrated LCD controller supports 8x40 or 4x44 with an internal step-up converter.","working_principle":"The STM32L476VET6 architecture centers on the Cortex-M4F core with a three-stage pipeline and single-cycle DSP instructions. (1) Memory Subsystem: The ART Accelerator uses a 64-line direct-mapped instruction cache and a prefetch queue to enable zero-wait-state flash execution at 80 MHz. Dual-bank flash allows read-while-write for safe firmware updates. (2) Power Management: FlexPowerControl provides multiple low-power modes \u2014 Shutdown (30 nA), Standby (120 nA), Stop2 (1.1 \u03bcA), and Low-Power Run \u2014 with fast 4 \u03bcs wakeup from Stop mode. An optional external SMPS supply reduces run current to 39 \u03bcA\/MHz. (3) Analog Signal Chain: Three 12-bit SAR ADCs with hardware oversampling achieve up to 16-bit effective resolution. Two rail-to-rail op-amps with configurable internal feedback serve as PGA, filter, or follower stages. (4) Clock System: Multiple clock sources including 4-48 MHz HSE, 32 kHz LSE, 16 MHz HSI, and 32 kHz LSI, with three PLLs for system, USB, and audio clock generation.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>VBAT<\/td>Power<\/td>Battery backup supply for RTC and backup registers<\/td><\/tr>
      2<\/td>PC13<\/td>I\/O<\/td>GPIO \/ RTC_AF1 \/ WKUP2<\/td><\/tr>
      3<\/td>PC14\/OSC32_IN<\/td>I\/O<\/td>GPIO \/ LSE oscillator input<\/td><\/tr>
      4<\/td>PC15\/OSC32_OUT<\/td>I\/O<\/td>GPIO \/ LSE oscillator output<\/td><\/tr>
      5<\/td>PH0\/OSC_IN<\/td>I\/O<\/td>GPIO \/ HSE oscillator input<\/td><\/tr>
      6<\/td>PH1\/OSC_OUT<\/td>I\/O<\/td>GPIO \/ HSE oscillator output<\/td><\/tr>
      7<\/td>NRST<\/td>Input<\/td>System reset (active low)<\/td><\/tr>
      8<\/td>PC0<\/td>I\/O<\/td>GPIO \/ ADC1_IN1 \/ ADC2_IN1 \/ ADC3_IN1<\/td><\/tr><\/table>","application_scenarios":"
      • Wearable health monitors with LCD display and ultra-low-power battery operation<\/li>
      • Industrial sensor nodes with multi-channel ADC data acquisition and USB connectivity<\/li>
      • Smart meters and data loggers leveraging RTC, low-power modes, and LCD controller<\/li>
      • Portable medical instruments requiring precision analog front-end and FPU signal processing<\/li>
      • Consumer electronics with touch sensing, USB, and energy-efficient Cortex-M4 performance<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        STMicroelectronics<\/td>STM32L475VET6<\/td>LQFP-100<\/td>No LCD, lower cost option<\/td><\/tr>
        STMicroelectronics<\/td>STM32L476ZGT6<\/td>LQFP-144<\/td>1MB Flash, more I\/O<\/td><\/tr>
        NXP<\/td>LPC54608J512ET180<\/td>LQFP-100<\/td>180MHz Cortex-M4, Ethernet<\/td><\/tr>
        Microchip<\/td>SAM4SD32CA-CU<\/td>LQFP-100<\/td>120MHz Cortex-M4, dual-bank<\/td><\/tr>
        Silicon Labs<\/td>EFM32GG11B840F2048QFP100<\/td>LQFP-100<\/td>80MHz, 2MB Flash, LCD<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7050","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=7050"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7050\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=7050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=7050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=7050"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=7050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}