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MSP432P401RIPZR

Ultra-low-power Cortex-M4F MCU, 48MHz, 256KB Flash, 14-bit ADC, 850nA standby, 100-LQFP

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Manufacturer Part：

MSP432P401RIPZR

Package：

100-LQFP (14 x 14 x 1.4mm)

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Description

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
ADC 14-bit, 1Msps
DAC 2x 12-bit
Timers 4x 16-bit Timer_A, 2x 16-bit Timer_B
Communication 4x SPI, 4x I2C, 4x UART, USB 2.0 FS
Active Power 90uA/MHz
Standby Power 850nA with RTC
Package 100-LQFP (14 x 14mm)
Operating Voltage 1.62V to 3.7V
Operating Temperature -40C to +85C

Features

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

Applications

  • Battery-powered IoT sensors and edge devices
  • Wearable health and fitness monitors
  • Smart metering and utility monitoring
  • Portable medical instruments
  • Industrial wireless sensor nodes

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.

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 4×40 segments. 4) Clock System: Multiple internal and external clock sources with flexible routing support both low-power and high-performance operating modes.

Pin Name Type Function
1-100 Mixed I/O I/O 84 GPIO pins with configurable alternate functions including ADC, DAC, SPI, I2C, UART, USB, LCD, timer I/O, comparator
  • Battery-powered environmental sensor node with 850nA sleep between measurements
  • Wearable health monitor with LCD display and 14-bit ECG acquisition
  • Smart utility meter with ultra-low-power always-on operation
Manufacturer Part Number Package Notes
TI MSP432P4111IPZR 100-LQFP 2MB Flash, 256KB SRAM, higher density
ST STM32L476RGT6 64-LQFP Ultra-low-power M4, 80MHz
Nordic nRF52840-QIAA-R 73-aQFN Cortex-M4 + BLE5, 64MHz
Silicon Labs EFM32GG11B840F2048GQ64 64-QFP Gecko M4, 2MB Flash
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We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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