{"id":10581,"date":"2026-07-20T06:13:06","date_gmt":"2026-07-20T06:13:06","guid":{"rendered":"https:\/\/ic-vendor.com\/stm32l071rzt6\/"},"modified":"2026-07-20T06:13:06","modified_gmt":"2026-07-20T06:13:06","slug":"stm32l071rzt6","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/stm32l071rzt6\/","title":{"rendered":"STM32L071RZT6"},"content":{"rendered":"

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

The STM32L071RZT6 from STMicroelectronics is an ultra-low-power Arm Cortex-M0+ microcontroller operating at 32 MHz with 192 kB of Flash memory and 20 kB of SRAM. It features 6 kB of data EEPROM with ECC and is packaged in a 64-pin LQFP. The device offers extensive low-power modes including 0.29 \u00b5A Standby and 0.43 \u00b5A Stop mode.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u6838\u5fc3<\/td>\nARM Cortex-M0+ (32-bit)<\/td>\n<\/tr>\n
Max Clock Frequency<\/td>\n32 MHz<\/td>\n<\/tr>\n
Flash Memory<\/td>\n192 kB (with ECC, dual-bank read-while-write)<\/td>\n<\/tr>\n
SRAM<\/td>\n20 kB<\/td>\n<\/tr>\n
Data EEPROM<\/td>\n6 kB (with ECC)<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n1.65V to 3.6V<\/td>\n<\/tr>\n
Standby Mode<\/td>\n0.29 \u00b5A (3 wakeup pins)<\/td>\n<\/tr>\n
Stop Mode<\/td>\n0.43 \u00b5A (16 wakeup lines)<\/td>\n<\/tr>\n
Run Mode<\/td>\n93 \u00b5A\/MHz<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nLQFP-64 (10 x 10 mm)<\/td>\n<\/tr>\n
I\/O Pins<\/td>\n52<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Ultra-low-power platform with 5 \u00b5s wakeup from Flash<\/li>\n
  • 12-bit ADC at 1.14 Msps with hardware oversampling<\/li>\n
  • Two ultra-low-power comparators<\/li>\n
  • Low-power UART (LPUART) for always-on communication<\/li>\n
  • Low-power timer (LPTIM) for autonomous operation<\/li>\n
  • Up to 3x I2C, 2x SPI, 1x I2S, 4x USART, 1x LPUART<\/li>\n
  • Real-time clock (RTC) with calendar and alarm<\/li>\n
  • Pre-programmed bootloader (USART, I2C, SPI)<\/li>\n
  • 84 fast I\/Os (78 are 5V tolerant)<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Battery-powered IoT sensor nodes<\/li>\n
    • Smart meters (water, gas, electricity)<\/li>\n
    • Wearable health monitoring devices<\/li>\n
    • Building automation and HVAC controllers<\/li>\n
    • Portable medical instruments<\/li>\n
    • Asset tracking and beaconing<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The STM32L071RZT6 from STMicroelectronics is an ultra-low-power Arm Cortex-M0+ microcontroller operating at 32 MHz with 192 kB of Flash memory and 20 kB of SRAM. It features 6 kB of data EEPROM with ECC and is packaged in a 64-pin LQFP. The device offers extensive low-power modes including 0.29 \u00b5A Standby and 0.43 […]<\/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":[1917],"chip_brand":[142],"class_list":["post-10581","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","tag-stm32l071rzt6","chip_brand-st"],"acf":{"brief_explanation":"Ultra-low-power Cortex-M0+ MCU, 32MHz, 192kB Flash, 6kB EEPROM, 0.29\u00b5A Standby, LQFP-64","date_code":"","package_case":"LQFP-64 (10 x 10 x 1.4 mm)","in_stock":5410,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/stm32l071rz.pdf","price":"$3.85 @ 1ku","product_introduction":"The STM32L071RZT6 is an access line ultra-low-power microcontroller from STMicroelectronics, incorporating the Arm Cortex-M0+ 32-bit RISC core operating at 32 MHz. It features up to 192 kB of Flash program memory with ECC and dual-bank read-while-write capability, 6 kB of data EEPROM with ECC for non-volatile parameter storage, and 20 kB of RAM. The device provides exceptional power efficiency with 0.29 \u00b5A Standby mode, 0.43 \u00b5A Stop mode, and 93 \u00b5A\/MHz in Run mode. A comprehensive set of power-saving modes, including a 5 \u00b5s wakeup time from Flash, enables the design of long-life battery-powered applications. The STM32L071RZT6 operates from 1.65V to 3.6V over a -40\u00b0C to +125\u00b0C temperature range.","working_principle":"The STM32L071RZT6 operates through four key subsystems:\n\n1. Core & Memory: The Cortex-M0+ core runs at 32 MHz (0.95 DMIPS\/MHz) with an MPU for application security. Flash memory supports ECC and dual-bank operation for read-while-write firmware updates. The 6 kB EEPROM with ECC provides reliable non-volatile storage for configuration data without external components. A 20-byte backup register set survives Standby mode.\n\n2. Ultra-Low-Power Architecture: Multiple low-power modes are available: Run (93 \u00b5A\/MHz), Sleep, Stop (0.43 \u00b5A with 16 wakeup lines, 0.86 \u00b5A with RTC and RAM retention), and Standby (0.29 \u00b5A with 3 wakeup pins). An internal voltage adaptation circuit optimizes power consumption. The 5 \u00b5s wakeup time from Flash enables frequent sleep cycles.\n\n3. Analog Peripherals: A 12-bit ADC with 1.14 Msps sampling and hardware oversampling supports up to 16 channels, consuming only 41 \u00b5A at 10 ksps. Two ultra-low-power comparators enable threshold detection in Stop mode. An internal voltage reference and temperature sensor are also available.\n\n4. Communication & Timing: The device includes 3x I2C, 2x SPI, 1x I2S, 4x USART, and a low-power UART (LPUART) for always-on communication at minimal current. A low-power timer (LPTIM) operates autonomously in Stop mode. The RTC with calendar and alarm provides timekeeping in all low-power modes.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>VBAT<\/td>Power<\/td>Battery backup for RTC and backup registers<\/td><\/tr>
      2<\/td>PC13<\/td>I\/O<\/td>GPIO \/ RTC_OUT \/ RTC_TAMP<\/td><\/tr>
      3<\/td>PC14<\/td>I\/O<\/td>GPIO \/ OSC32_IN<\/td><\/tr>
      4<\/td>PC15<\/td>I\/O<\/td>GPIO \/ OSC32_OUT<\/td><\/tr>
      5<\/td>VSS_IN<\/td>Power<\/td>Input ground (for VDD_IN)<\/td><\/tr>
      6<\/td>VDD_IN<\/td>Power<\/td>Input supply (1.65\u20133.6V)<\/td><\/tr>
      7<\/td>PH0<\/td>I\/O<\/td>GPIO \/ OSC_IN<\/td><\/tr>
      8<\/td>PH1<\/td>I\/O<\/td>GPIO \/ OSC_OUT<\/td><\/tr>
      9<\/td>NRST<\/td>I\/O<\/td>Reset (active low)<\/td><\/tr>
      10<\/td>PC0<\/td>I\/O<\/td>GPIO \/ ADC_IN10<\/td><\/tr>
      12<\/td>PA0<\/td>I\/O<\/td>GPIO \/ WKUP1 \/ USART2_CTS \/ ADC_IN0<\/td><\/tr>
      16<\/td>PA4<\/td>I\/O<\/td>GPIO \/ SPI1_NSS \/ USART2_CK \/ DAC_OUT<\/td><\/tr>
      20<\/td>PA8<\/td>I\/O<\/td>GPIO \/ USART1_CK \/ TIM1_CH1<\/td><\/tr>
      24<\/td>PA12<\/td>I\/O<\/td>GPIO \/ USART2_RX \/ SPI2_MOSI<\/td><\/tr>
      31<\/td>PA15<\/td>I\/O<\/td>GPIO \/ SPI1_NSS \/ USART2_RX<\/td><\/tr>
      32<\/td>PC10<\/td>I\/O<\/td>GPIO \/ USART3_TX \/ UART4_TX<\/td><\/tr>
      37<\/td>VDDA<\/td>Power<\/td>Analog supply (1.65\u20133.6V)<\/td><\/tr>
      38<\/td>VSSA<\/td>Power<\/td>Analog ground<\/td><\/tr>
      44<\/td>BOOT0<\/td>Input<\/td>Boot mode selection<\/td><\/tr>
      48<\/td>VDD<\/td>Power<\/td>Digital supply (1.65\u20133.6V)<\/td><\/tr><\/table>","application_scenarios":"
      • Battery-powered IoT nodes: 0.29 \u00b5A Standby mode with 5 \u00b5s wakeup enables coin-cell operation for years in remote sensor applications<\/li>
      • Smart meters: 6 kB EEPROM with ECC stores calibration and billing data without external memory; dual-bank Flash supports OTA firmware updates<\/li>
      • Wearable devices: Low-power UART and LPTIM enable always-on activity monitoring at sub-\u00b5A current levels<\/li>
      • Building automation: Multiple I2C\/SPI\/UART interfaces support sensor aggregation with 41 \u00b5A ADC conversion at 10 ksps<\/li>
      • Portable medical instruments: 12-bit ADC with hardware oversampling and ultra-low-power comparators for vital sign monitoring<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        STMicroelectronics<\/td>STM32L071RBT6<\/td>LQFP-64<\/td>128 kB Flash version<\/td><\/tr>
        STMicroelectronics<\/td>STM32L071VZT6<\/td>LQFP-100<\/td>Same features, 100-pin package<\/td><\/tr>
        STMicroelectronics<\/td>STM32L072RZT6<\/td>LQFP-64<\/td>Adds USB FS device and AES<\/td><\/tr>
        STMicroelectronics<\/td>STM32L081RZT6<\/td>LQFP-64<\/td>Adds AES-128 hardware crypto<\/td><\/tr>
        NXP<\/td>LPC812M101JD20<\/td>SOIC-20<\/td>Cortex-M0+, 16 kB Flash, smaller package<\/td><\/tr>
        Silicon Labs<\/td>EFM32TG11B120F128GM48<\/td>QFN-48<\/td>Cortex-M0+, 128 kB Flash, low-power<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10581","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/comments?post=10581"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10581\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10581"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}