{"id":3017,"date":"2026-05-29T04:39:06","date_gmt":"2026-05-29T04:39:06","guid":{"rendered":"https:\/\/materialparts.com\/stm32l072rbt6\/"},"modified":"2026-05-29T06:56:36","modified_gmt":"2026-05-29T06:56:36","slug":"stm32l072rbt6","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/stm32l072rbt6\/","title":{"rendered":"STM32L072RBT6"},"content":{"rendered":"

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

The STMicroelectronics STM32L072RBT6 is an ultra-low-power ARM Cortex-M0+ microcontroller from the STM32L0 series. Operating at up to 32 MHz, it features 128 KB Flash, 20 KB SRAM, 6 KB EEPROM, and a crystal-less USB 2.0 full-speed interface. Packaged in LQFP-64 with 51 I\/O pins, it achieves 0.29 \u00b5A standby current and 93 \u00b5A\/MHz run-mode current, making it ideal for battery-powered and energy-harvesting applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
  • True Random Number Generator (RNG) and firewall protection<\/li>\n
  • Low-power UART (LPUART) for communication in Stop mode<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Gas and water metering with smart communication<\/li>\n
    • Industrial sensors and remote monitoring<\/li>\n
    • Healthcare and fitness wearable devices<\/li>\n
    • Smart home and building automation<\/li>\n
    • PC peripherals and gaming controllers<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The STMicroelectronics STM32L072RBT6 is an ultra-low-power ARM Cortex-M0+ microcontroller from the STM32L0 series. Operating at up to 32 MHz, it features 128 KB Flash, 20 KB SRAM, 6 KB EEPROM, and a crystal-less USB 2.0 full-speed interface. Packaged in LQFP-64 with 51 I\/O pins, it achieves 0.29 \u00b5A standby current and 93 \u00b5A\/MHz […]<\/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-3017","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-st"],"acf":{"brief_explanation":"Cortex-M0+ ultra-low-power MCU, 32MHz, 128KB Flash, crystal-less USB, LQFP-64","date_code":"","package_case":"LQFP-64 (10\u00d710 mm)","in_stock":14446,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/stm32l072rb.pdf","price":"$3.36 @ 10+","product_introduction":"The STM32L072RBT6 from STMicroelectronics is an ultra-low-power microcontroller from the STM32L0 series, based on the ARM Cortex-M0+ 32-bit RISC core operating at up to 32 MHz. The device incorporates high-speed embedded memories including 128 KB of dual-bank Flash with ECC and Read-While-Write capability, 20 KB of SRAM, and 6 KB of data EEPROM with ECC. A key differentiator is the integrated crystal-less USB 2.0 full-speed interface, which eliminates the need for an external crystal for USB operation. The STM32L072RBT6 achieves industry-leading low-power figures: 0.29 \u00b5A in Standby mode, 0.43 \u00b5A in Stop mode, and just 93 \u00b5A\/MHz in Run mode. The rich analog peripheral set includes a 12-bit ADC at 1.14 MSPS, two 12-bit DACs, two ultra-low-power comparators, and up to 24 capacitive touch sensing channels.","working_principle":"The STM32L072RBT6 is built around the ARM Cortex-M0+ processor core, which implements the ARMv6-M architecture with a 2-stage pipeline and Thumb instruction set for efficient code density. The memory subsystem uses a modified Harvard architecture with separate instruction and data buses to the Flash and SRAM. The dual-bank Flash allows Read-While-Write operation, enabling firmware updates without halting application execution. The 6 KB true EEPROM with ECC provides reliable non-volatile storage for calibration data and configuration parameters without the wear-leveling complexity of Flash-based EEPROM emulation. The crystal-less USB uses an internal 48 MHz RC oscillator that is automatically calibrated against the USB frame timing (Start-of-Frame packets) to maintain the \u00b10.25% frequency accuracy required by the USB specification. The ultra-low-power design employs multiple techniques: clock gating for unused peripherals, voltage scaling, and specialized low-power peripherals (LPUART, LPTIM) that can operate in Stop mode while the CPU is sleeping.","pin_description":"

    • \u6838\u5fc3<\/td>\nARM Cortex-M0+ (32-bit)<\/td>\n<\/tr>\n
    Max Frequency<\/td>\n32 MHz<\/td>\n<\/tr>\n
    Flash Memory<\/td>\n128 KB (dual-bank, ECC, Read-While-Write)<\/td>\n<\/tr>\n
    SRAM<\/td>\n20 KB<\/td>\n<\/tr>\n
    EEPROM<\/td>\n6 KB (with ECC)<\/td>\n<\/tr>\n
    I\/O Pins<\/td>\n51 (78 5V-tolerant in full device)<\/td>\n<\/tr>\n
    ADC<\/td>\n12-bit, 1.14 MSPS, up to 16 channels<\/td>\n<\/tr>\n
    \u53d1\u63f4\u4f1a<\/td>\n2\u00d7 12-bit with output buffers<\/td>\n<\/tr>\n
    Comparators<\/td>\n2\u00d7 ultra-low-power (window mode)<\/td>\n<\/tr>\n
    \u4ea4\u6d41<\/td>\n4\u00d7 USART, 1\u00d7 LPUART, 2\u00d7 SPI, 1\u00d7 I2S, 3\u00d7 I2C<\/td>\n<\/tr>\n
    USB<\/td>\n2.0 Full-Speed (crystal-less)<\/td>\n<\/tr>\n
    Touch Sensing<\/td>\nUp to 24 capacitive sensing channels<\/td>\n<\/tr>\n
    \u7535\u6e90\u7535\u538b<\/td>\n1.65 V ~ 3.6 V<\/td>\n<\/tr>\n
    \u5305\u88c5<\/td>\nLQFP-64 (10\u00d710 mm)<\/td>\n<\/tr>\n
    \u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C ~ +85\u00b0C<\/td>\n<\/tr>\n
    Standby Current<\/td>\n0.29 \u00b5A<\/td>\n<\/tr>\n
    Run Mode Current<\/td>\n93 \u00b5A\/MHz<\/td>\n<\/tr>\n<\/table>\n

    \u7279\u70b9<\/h2>\n
      \n
    • Ultra-low-power platform: 0.29 \u00b5A standby, 0.43 \u00b5A stop, 93 \u00b5A\/MHz run<\/li>\n
    • Crystal-less USB 2.0 full-speed with battery charging detection and LPM<\/li>\n
    • 6 KB true data EEPROM with ECC for non-volatile parameter storage<\/li>\n<\/tr>\n

    Dual-bank Flash with ECC and Read-While-Write for firmware updates<\/td>\n<\/tr>\n
    2\u00d7 ultra-low-power comparators with window mode and wakeup capability<\/td>\n<\/tr>\n
    Up to 24 capacitive touch sensing channels<\/td>\n<\/tr>\n
    7-channel DMA supporting ADC, SPI, I2C, USART, DAC, and timers<\/td>\n<\/tr>\n
    Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
    1-2<\/td>VSS, VDD<\/td>Power<\/td>Ground and 3.3V digital supply<\/td><\/tr>
    3-4<\/td>PA13, PA14<\/td>Debug<\/td>SWDIO, SWCLK (Serial Wire Debug)<\/td><\/tr>
    5-12<\/td>PA15, PB3-PB9<\/td>I\/O<\/td>Port A\/B, JTAG, SPI1, I2C1, TIM2<\/td><\/tr>
    13-18<\/td>PC13-PC15, PD0-PD2<\/td>I\/O<\/td>Port C\/D, OSC32, USART, TIM3<\/td><\/tr>
    19-20<\/td>VSS, VDD<\/td>Power<\/td>Additional ground and supply pins<\/td><\/tr>
    21-36<\/td>PB10-PB15, PA0-PA7<\/td>I\/O<\/td>Port B\/A, I2C2, USART, SPI, ADC, TIM<\/td><\/tr>
    37-38<\/td>VSSA, VREF+<\/td>Analog<\/td>Analog ground and ADC reference<\/td><\/tr>
    39-44<\/td>PA8-PA12<\/td>I\/O<\/td>Port A, MCO, TIM1, I2C, USART1, USB DM\/DP<\/td><\/tr>
    45-48<\/td>VDDUSB, VSS, VDD, BOOT0<\/td>Power\/Ctrl<\/td>USB supply, digital supply, boot config<\/td><\/tr>
    49-64<\/td>PB0-PB7, VDD, VSS<\/td>I\/O\/Power<\/td>Port B, ADC, TIM, LPUART, additional supply<\/td><\/tr><\/table>","application_scenarios":"
    • Smart metering: Gas, water, and heat meters with ultra-long battery life and USB data download capability<\/li>
    • Industrial sensors: Battery-powered wireless sensor nodes with capacitive touch user interface<\/li>
    • Wearable health: Fitness trackers and medical monitoring devices requiring months of battery operation<\/li>
    • Smart home: Battery-powered door\/window sensors, smart locks, and environmental monitors<\/li>
    • USB peripherals: Custom HID devices, data loggers, and PC accessories with crystal-less USB connectivity<\/li><\/ul>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
      ST<\/td>STM32L073RBT6<\/td>LQFP-64<\/td>Same with LCD controller (up to 8\u00d740 segments)<\/td><\/tr>
      ST<\/td>STM32L072RZH6<\/td>UFQFPN-48<\/td>Smaller package (48-pin), fewer I\/O<\/td><\/tr>
      ST<\/td>STM32L082RBT6<\/td>LQFP-64<\/td>Higher Flash (192KB), same features<\/td><\/tr>
      Silicon Labs<\/td>EFM32TG11B120F64GQ64<\/td>QFP-64<\/td>Gecko M0+, 48MHz, similar low-power<\/td><\/tr>
      NXP<\/td>LPC824M201JHI33<\/td>HVQFN-33<\/td>M0+ at 30MHz, compact, no USB<\/td><\/tr>
      Microchip<\/td>SAML21J18B-AUT<\/td>TQFP-64<\/td>M0+ at 48MHz, ultra-low-power competitor<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/3017","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=3017"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/3017\/revisions"}],"predecessor-version":[{"id":3032,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/3017\/revisions\/3032"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=3017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=3017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=3017"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=3017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}