{"id":7225,"date":"2026-06-23T07:39:46","date_gmt":"2026-06-23T07:39:46","guid":{"rendered":"https:\/\/materialparts.com\/stm32l052c8t6\/"},"modified":"2026-06-23T07:39:46","modified_gmt":"2026-06-23T07:39:46","slug":"stm32l052c8t6","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/stm32l052c8t6\/","title":{"rendered":"STM32L052C8T6"},"content":{"rendered":"

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

The STM32L052C8T6 from STMicroelectronics is an ultra-low-power Cortex-M0+ MCU with 64KB Flash, 8KB SRAM, and 12-bit ADC in LQFP-48. With multiple low-power modes down to 0.4uA, it targets battery-powered and energy-harvesting applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u6838\u5fc3<\/td>\nARM Cortex-M0+, 32 MHz<\/td>\n<\/tr>\n
Flash Memory<\/td>\n64 KB<\/td>\n<\/tr>\n
SRAM<\/td>\n8 KB + 2KB EEPROM<\/td>\n<\/tr>\n
ADC<\/td>\n12-bit, 1.14 MSPS<\/td>\n<\/tr>\n
\u53d1\u63f4\u4f1a<\/td>\n1 x 12-bit<\/td>\n<\/tr>\n
\u4ea4\u6d41<\/td>\nUSB 2.0 FS, 2x USART, 2x SPI, 2x I2C<\/td>\n<\/tr>\n
\u7535\u6e90\u7535\u538b<\/td>\n1.65 V to 3.6 V<\/td>\n<\/tr>\n
Standby Current<\/td>\n0.4 uA (typical)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40C to +85C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 0.4uA standby current with RTC for ultra-long battery life<\/li>\n
  • 64KB Flash with 8KB SRAM and 2KB true EEPROM emulation<\/li>\n
  • USB 2.0 full-speed device with crystal-less USB oscillator<\/li>\n
  • 12-bit ADC at 1.14MSPS and 12-bit DAC for analog processing<\/li>\n
  • Cortex-M0+ core at 32MHz for energy-efficient processing<\/li>\n
  • Multiple low-power modes: Sleep, Stop, Standby with fast wake-up<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Wearable devices and fitness trackers with 0.4uA standby<\/li>\n
    • Wireless sensor nodes and energy-harvesting systems<\/li>\n
    • Portable medical devices with USB connectivity<\/li>\n
    • Smart meters and building automation sensors<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The STM32L052C8T6 from STMicroelectronics is an ultra-low-power Cortex-M0+ MCU with 64KB Flash, 8KB SRAM, and 12-bit ADC in LQFP-48. With multiple low-power modes down to 0.4uA, it targets battery-powered and energy-harvesting applications. Key Specifications Core ARM Cortex-M0+, 32 MHz Flash Memory 64 KB SRAM 8 KB + 2KB EEPROM ADC 12-bit, 1.14 MSPS […]<\/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-7225","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-st"],"acf":{"brief_explanation":"Cortex-M0+ 32MHz ultra-low-power MCU, 64KB Flash, USB FS, 0.4uA standby, LQFP-48","date_code":"","package_case":"LQFP-48 (7.00 x 7.00 x 1.40 mm, 0.50mm pitch)","in_stock":14279,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/stm32l052c8.pdf","price":"$2.00 @ 1ku","product_introduction":"The STM32L052C8T6 from STMicroelectronics is an ultra-low-power 32-bit microcontroller based on the ARM Cortex-M0+ core operating at up to 32MHz in an LQFP-48 package. The device is part of the STM32L0 series, specifically optimized for battery-powered and energy-harvesting applications with multiple low-power modes. In Standby mode with RTC, the device draws only 0.4uA typical, enabling years of operation from a coin cell. In Stop mode with RTC, current is approximately 0.8uA with full SRAM and register retention and 3.5us wake-up time. The 64KB Flash and 8KB SRAM provide adequate code and data space for typical low-power applications. An additional 2KB of true EEPROM emulation area allows storage of calibration data and configuration without Flash wear concerns. The 12-bit ADC at 1.14MSPS with hardware oversampling supports precise analog measurement. A 12-bit DAC enables analog waveform generation. USB 2.0 full-speed device capability with internal 48MHz crystal-less oscillator simplifies USB design. Communication interfaces include two USARTs, two SPIs, and two I2Cs for sensor and actuator connectivity.","working_principle":"The STM32L052C8T6 operates on the ARM Cortex-M0+ core with optimized power management. (1) Core: The Cortex-M0+ is a 2-stage pipeline processor optimized for low power and low gate count, executing Thumb instructions. The 32MHz maximum clock provides adequate processing for sensor acquisition, data processing, and communication protocols. (2) Power Modes: Run mode operates at full speed with all peripherals. Sleep mode stops the CPU but keeps peripherals running. Low-Power Run mode reduces the CPU clock to below 2MHz with the internal MSI oscillator, drawing approximately 60uA\/MHz. Stop mode halts all clocks and the CPU, retaining SRAM and registers with sub-microamp current. Standby mode powers down everything except the RTC, backup registers, and wakeup logic, drawing 0.4uA. (3) Voltage Scaling: Three voltage ranges (Range 1\/2\/3) scale the internal regulator output to match the required performance, reducing power at lower clock speeds. (4) USB: The internal 48MHz oscillator eliminates the external crystal for USB, saving BOM cost and PCB space.","pin_description":"
      Pin Group<\/th>Count<\/th>Function<\/th><\/tr>
      PORTA<\/td>12<\/td>GPIO, USART, SPI, I2C, USB, ADC, DAC, TIM<\/td><\/tr>
      PORTB<\/td>12<\/td>GPIO, USART, SPI, I2C, TIM, ADC<\/td><\/tr>
      PORTC<\/td>8<\/td>GPIO, USART, TIM, ADC<\/td><\/tr>
      PORTD<\/td>2<\/td>GPIO<\/td><\/tr>
      VDD\/VSS<\/td>Multiple<\/td>Power supply and ground<\/td><\/tr>
      VBAT<\/td>1<\/td>Battery backup for RTC<\/td><\/tr>
      NRST<\/td>1<\/td>Reset (active low)<\/td><\/tr>
      BOOT0<\/td>1<\/td>Boot mode selection<\/td><\/tr><\/table>","application_scenarios":"
      • Wearable devices and fitness trackers with 0.4uA standby and USB<\/li>
      • Wireless sensor nodes and energy-harvesting systems at 60uA\/MHz<\/li>
      • Portable medical devices with USB FS and 12-bit ADC\/DAC<\/li>
      • Smart meters and building automation sensors with EEPROM emulation<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        ST<\/td>STM32L052K8T6<\/td>LQFP-32<\/td>Same, 32-pin smaller<\/td><\/tr>
        ST<\/td>STM32L072CZT6<\/td>LQFP-48<\/td>32MHz, 128KB, USB FS<\/td><\/tr>
        Silicon Labs<\/td>EFM32TG11B120F48G-EQFP48<\/td>QFP-48<\/td>Gecko, 48MHz, low power<\/td><\/tr>
        Nordic<\/td>nRF52810-QCAA<\/td>QFN-48<\/td>Cortex-M4, BLE 5.0<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7225","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=7225"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7225\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=7225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=7225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=7225"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=7225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}