{"id":2505,"date":"2026-05-21T01:20:30","date_gmt":"2026-05-21T01:20:30","guid":{"rendered":"https:\/\/materialparts.com\/msp432p401ripzr\/"},"modified":"2026-05-21T01:20:30","modified_gmt":"2026-05-21T01:20:30","slug":"msp432p401ripzr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/msp432p401ripzr\/","title":{"rendered":"MSP432P401RIPZR"},"content":{"rendered":"

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

The MSP432P401RIPZR from Texas Instruments is an ARM Cortex-M4F microcontroller running at 48MHz with 256KB Flash, 64KB SRAM, 14-bit ADC, ultra-low-power operation down to 950nA, and rich analog peripherals in a 100-pin LQFP package.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u5236\u9020\u5546<\/td>\n\u5fb7\u5dde\u4eea\u5668<\/td>\n<\/tr>\n
\u6838\u5fc3<\/td>\nARM Cortex-M4F (with FPU)<\/td>\n<\/tr>\n
Max Clock Speed<\/td>\n48MHz<\/td>\n<\/tr>\n
Flash Memory<\/td>\n256KB<\/td>\n<\/tr>\n
SRAM<\/td>\n64KB<\/td>\n<\/tr>\n
ADC<\/td>\n14-bit, 1Msps<\/td>\n<\/tr>\n
\u53d1\u63f4\u4f1a<\/td>\n2x 12-bit<\/td>\n<\/tr>\n
\u8ba1\u65f6\u5668<\/td>\n4x 16-bit Timer_A, 2x 16-bit Timer_B<\/td>\n<\/tr>\n
\u4ea4\u6d41<\/td>\n4x SPI, 4x I2C, 4x UART, USB 2.0 FS<\/td>\n<\/tr>\n
Active Power<\/td>\n90uA\/MHz<\/td>\n<\/tr>\n
Standby Power<\/td>\n850nA with RTC<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n100-LQFP (14 x 14mm)<\/td>\n<\/tr>\n
Operating Voltage<\/td>\n1.62V to 3.7V<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40C to +85C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Ultra-low-power ARM Cortex-M4F at 48MHz<\/li>\n
  • 90uA\/MHz active power consumption<\/li>\n
  • 850nA standby with RTC running<\/li>\n
  • 256KB Flash with 64KB SRAM<\/li>\n
  • 14-bit 1Msps ADC with internal reference<\/li>\n
  • Two 12-bit DACs<\/li>\n
  • USB 2.0 Full-Speed device\/host\/OTG<\/li>\n
  • Multiple low-power modes (LPM0-LPM4)<\/li>\n
  • DMA controller for peripheral servicing<\/li>\n
  • Integrated LCD driver (4×40 segment)<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Battery-powered IoT sensors and edge devices<\/li>\n
    • Wearable health and fitness monitors<\/li>\n
    • Smart metering and utility monitoring<\/li>\n
    • Portable medical instruments<\/li>\n
    • Industrial wireless sensor nodes<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MSP432P401RIPZR from Texas Instruments is an ARM Cortex-M4F microcontroller running at 48MHz with 256KB Flash, 64KB SRAM, 14-bit ADC, ultra-low-power operation down to 950nA, and rich analog peripherals in a 100-pin LQFP package. Key Specifications Manufacturer Texas Instruments Core ARM Cortex-M4F (with FPU) Max Clock Speed 48MHz Flash Memory 256KB SRAM 64KB […]<\/p>\n","protected":false},"author":2,"featured_media":2709,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[138],"class_list":["post-2505","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-ti"],"acf":{"brief_explanation":"Ultra-low-power Cortex-M4F MCU, 48MHz, 256KB Flash, 14-bit ADC, 850nA standby, 100-LQFP","date_code":"","package_case":"100-LQFP (14 x 14 x 1.4mm)","in_stock":3750,"datasheet":"https:\/\/www.ti.com\/product\/MSP432P401R","price":"$5.20 @ 1ku","product_introduction":"The Texas Instruments MSP432P401RIPZR is an ultra-low-power 32-bit ARM Cortex-M4F microcontroller that combines TI's MSP430 low-power heritage with the processing power of the Cortex-M4F core. At 48MHz, it delivers 42 DMIPS with hardware FPU for efficient signal processing. The hallmark feature is the ultra-low power consumption: 90uA\/MHz active, 850nA in standby with RTC running, and 950nA in deep sleep with RAM retention. The 14-bit 1Msps ADC provides higher resolution than typical MCUs, ideal for precision measurement in portable instruments. The integrated LCD driver supports segment displays without external controllers. Multiple low-power modes with fast wake-up (<10us) enable aggressive duty-cycling for battery life extension. The 256KB Flash and 64KB SRAM support complex applications including wireless protocol stacks.","working_principle":"The MSP432P401RIPZR operates as an ultra-low-power Cortex-M4F microcontroller: 1) Cortex-M4F Core: The 48MHz CPU with hardware FPU executes single-precision floating-point operations in hardware, accelerating DSP algorithms like filtering and FFT. The NVIC handles interrupts with deterministic latency for real-time response. 2) Power Management: The integrated DC-DC converter and LDO provide efficient voltage regulation. Multiple low-power modes balance performance and consumption: Active (90uA\/MHz), LPM0 (CPU idle, peripherals active), LPM3 (850nA with RTC), LPM4 (950nA, RAM retention, no RTC). Fast wake-up from LPM3\/4 in <10us enables aggressive duty-cycling. 3) Analog Peripherals: The 14-bit ADC achieves 1Msps with internal reference, supporting precision measurement. Two 12-bit DACs provide analog output capability. The LCD driver supports up to 4x40 segments. 4) Clock System: Multiple internal and external clock sources with flexible routing support both low-power and high-performance operating modes.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1-100<\/td>Mixed I\/O<\/td>I\/O<\/td>84 GPIO pins with configurable alternate functions including ADC, DAC, SPI, I2C, UART, USB, LCD, timer I\/O, comparator<\/td><\/tr><\/table>","application_scenarios":"
      • Battery-powered environmental sensor node with 850nA sleep between measurements<\/li>
      • Wearable health monitor with LCD display and 14-bit ECG acquisition<\/li>
      • Smart utility meter with ultra-low-power always-on operation<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TI<\/td>MSP432P4111IPZR<\/td>100-LQFP<\/td>2MB Flash, 256KB SRAM, higher density<\/td><\/tr>
        ST<\/td>STM32L476RGT6<\/td>64-LQFP<\/td>Ultra-low-power M4, 80MHz<\/td><\/tr>
        Nordic<\/td>nRF52840-QIAA-R<\/td>73-aQFN<\/td>Cortex-M4 + BLE5, 64MHz<\/td><\/tr>
        Silicon Labs<\/td>EFM32GG11B840F2048GQ64<\/td>64-QFP<\/td>Gecko M4, 2MB Flash<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2505","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=2505"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2505\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/2709"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=2505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=2505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=2505"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=2505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}