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MSP432P401R 超低功耗混合信號MCU開發(fā)方案

文章來源：更新時間：2015/4/29 13:15:00

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TI公司的MSP432P401R是基于ARM Cortex-M4的超低功耗混合信號32位MCU,集合了TI MSP430™低功耗DNA,混合信號特性和ARM 32位Cortex-M4 RISC引擎,具有模擬,定時和通信外設(shè)等多種特性,工作頻率高達(dá)48MHz,主要用于工業(yè)與自動化如家庭自辦動化,煙霧檢測器,條碼掃描儀,健康健美設(shè)備如手表,活動監(jiān)視器和血糖儀,電表和流量表和消費(fèi)類電子.本文介紹了MSP432P401R主要特性,功能框圖以及MSP432P401R LaunchPad開發(fā)板主要特性,框圖,電路圖,材料清單和PCB設(shè)計文件.
The MSP432P401x device family is TI’s latest addition to its portfolio of efficient ultra-low-power mixedsignal MCUs. The MSP432P401x family features the ARM Cortex-M4 processor in a wide configuration of device options including a rich set of analog, timing, and communication peripherals, thereby catering to a large number of application scenarios where both efficient data processing and enhanced low-power operation are paramount.
Overall, the MSP432P401x is an ideal combination of the TI MSP430™ low-power DNA, advance mixedsignal features, and the processing capabilities of the ARM 32-bit Cortex-M4 RISC engine. The devices ship with bundled driver libraries and are compatible with standardized components of the ARM ecosystem.

MSP432P401R主要特性:

MSP432P401R應(yīng)用:
• Industrial and Automation
– Home Automation
– Smoke Detectors
– Barcode Scanners
• Health and Fitness
– Watches
– Activity Monitors
– Fitness Accessories
– Blood Glucose Meters
• Metering
– Electric Meters
– Flow Meters
• Consumer Electronics
– Mobile Devices
– Sensor Hubs

圖1. MSP432P401R功能框圖

MSP432P401R LaunchPad開發(fā)板
The MSP432P401R LaunchPad enables you to develop high performance applications that benefit from low power operation. It features the MSP432P401R – which includes a 48MHz ARM Cortex M4F, 95uA/MHz active power and 850nA RTC operation, 14-bit 1MSPS differential SAR ADC and AES256 accelerator.
This Launchpad includes an on-board emulator with EnergyTrace+ Technology, which means you can program and debug your projects without the need for additional tools, while also measuring total system energy consumption.
All pins of the MSP-EXP432P401R device are fanned out for easy access. These pins make it easy to plug in 20-pin and 40-pin BoosterPacks that add additional functionality like wireless, capacitive touch and more.
The out-of-box provided with the MSP-EXP432P401R LaunchPad features a graphical user-interface that enables the user to type in the desired beats per minute of an RGB LED, and select from over 16 million color options. See how simple it is to get started, with the MSP432 Quick Start Guide.

MSP432P401R LaunchPad開發(fā)板主要特性:
Low-power, high performance MSP432P401R MCU
48MHz 32-bit ARM Cortex M4F with Floating Point Unit and DSP acceleration
Power consumption: 95uA/MHz active, and 850nA RTC standby operation
Analog: 24Ch 14-bit differential 1MSPS SAR ADC, Two Comparators
Digital: Advanced Encryption Standard (AES256) Accelerator, CRC, DMA, HW MPY32
Memory: 256KB Flash, 64KB RAM
Timers: 4 x16-bit, and 2 x 32-bit
Communication: Up to 4 I2C, 8 SPI, 4 UART
40 pin BoosterPack Connector, and support for 20 pin BoosterPacks
Onboard XDS-110ET emulator featuring EnergyTrace+ Technology
2 buttons and 2 LEDs for User Interaction
Back-channel UART via USB to PC
The MSP432P401R is the first MSP432 family device featuring low-power performance with an ARM Cortex-M4F core. Device features include:
• Low-power ARM Cortex-M4F MSP432P401R
• Up to 48-MHz system clock
• 256KB flash memory, 64KB SRAM, and 32KB ROM with MSPWare libraries
• Four 16-bit timers with capture/compare/PWM, two 32-bit timers, and RTC
• Up to eight serial communication channels (I2C, SPI, UART, and IrDA)
• Analog: 14-bit SAR ADC, capacitive touch, comparator
• Digital: AES256, CRC, uDMA
What’s Included
1 x MSP-EXP432P401R LaunchPad Development Kit
1 x Micro-USB cable
1 x Quick Start Guide