基于Maxim公司的MAX32660超低功耗ARM MCU可穿戴应用方案
原标题:Maxim MAX32660超低功耗ARM MCU可穿戴应用方案
Maxim公司的MAX32660是具有浮点单元(FPU)的超低功耗ARM MCU,集成了灵活和多种电源管理单元,高达256KB闪存和96KB RAM,16KB指令缓存,支持SPI,UART和I2C通信,工作温度-40℃到+105℃,主要用在运动手表,健身监视器,可穿戴医用贴片,手持医疗设备和工业传感器以及物联网(IoT).本文介绍了MAX32660主要优势和特性,简化框图,系统时钟框图以及评估板MAX32660 EVK主要特性,电路图和材料清单.
DARWIN 是一种全新品类的低功耗微控制器,专为迅猛发展的物联网(IoT)而生。该器件的智能性令人难以置信,拥有业界最大的存储器,以及可大规模扩展的存储器架构。得益于可穿戴级电源技术,器件可永远运行。器件也非常坚固,足以抵御最 高级的网络攻击。DARWIN微控制器可运行您能想到的任何应用 — 其他微控制器则望尘莫及。
U系列微控制器非常适合注重功耗或性能的可穿戴和IoT应用。MAX32660为超低功耗、高成效、高度集成微控制器,设计用于电池供电设备和无线传感器。器件集成高度灵活和通用的电池管理单元与功能强大的Arm® Cortex®-M4(带浮点运算单元,FPU)。
MAX32660支持复杂的传感器处理设计,不会影响电池寿命。器件也为传统设计从8或16位微控制器升级提供了简便、成本优化的途径。
器件集成高达256KB闪存和96KB RAM,支持储存应用和传感器代码。
MAX32660采用微小尺寸规格支持SPI、UART和I2C通信。1.6mm x 1.6mm、16焊球WLP封装或5mm x 5mm、20焊球TQFN-EP封装。
关键特性
用于可穿戴设备的高效微控制器
内部振荡器工作频率高达96MHz
256KB闪存存储器
96KB SRAM,可选择置于最低功耗备份模式
16KB指令缓存
存储器保护单元(MPU)
1.1V VCORE低电源电压
3.6V GPIO工作范围
内部LDO提供单电源工作
宽工作温度范围:-40°C至+105°C
电源管理最大程度延长电池应用的工作时间
从闪存执行代码时功耗为85µW/MHz
备份模式下全存储器保持功耗为2µA @ VDD = 1.8V
超低功耗RTC:570nA @ VDD=1.8V
内部8kHz环形振荡器
最优外设组合,提高平台扩展性
多达14个通用I/O引脚
多达2个SPI主机/从机
I2S主机/从机
多达2个UART
多达2个I2C主机/从机,速度高达3.4Mbps
四通道标准DMA控制器
3个32位定时器
看门狗定时器
CMOS电平32.768kHz RTC输出
应用
健身监测器
工业传感器
IoT
光纤模块:QSFP-DD, QSFP, 400G
便携式医疗设备
运动手表
可穿戴医疗设备
The MAX32660 is an ultra-low power, cost-effective, highly-integrated microcontroller designed for battery-powered devices and wireless sensors. It combines a flexible and versatile power management unit with the powerful Arm® Cortex®-M4 with floating point unit (FPU). The MAX32660 enables designs with complex sensor processing without compromising battery life. It also offers legacy designs an easy and cost optimal upgrade path from 8- or 16-bit microcontrollers.
The device integrates up to 256KB of flash memory and 96KB of RAM to accommodate application and sensor code. It supports SPI, UART, and I2C communication in a tiny form factor: 1.6mm x 1.6mm 16-bump WLP or 5mm x 5mm 20-pin TQFN-EP.
MAX32660主要优势和特性:
High-Efficiency Microcontroller for Wearable DevicesInternal Oscillator Operates Up to 96MHz
256KB Flash Memory
96KB SRAM, Optionally Preserved in Lowest Power Backup Mode
16KB Instruction Cache
Memory Protection Unit (MPU)
Low 1.1V VCORE Supply Voltage
3.6V GPIO Operating Range
Internal LDO Provides Operation from Single Supply
Wide Operating Temperature: -40℃ to +105℃
Power Management Maximizes Uptime for Battery Applications85μA/MHz Active Executing from Flash
2μA Full Memory Retention Power in Backup Mode at VDD = 1.8V
570nA Ultra-Low Power RTC at VDD = 1.8V
Internal 8kHz Ring Oscillator
Optimal Peripheral Mix Provides Platform ScalabilityUp to 14 General-Purpose I/O Pins
Up to Two SPI Master/Slave
I2S Master/Slave
Up to Two UARTs
Up to Two I2C Master/Slave
Four-Channel Standard DMA Controller
Three 32-Bit Timers
Watchdog Timer
CMOS-Level 32.768kHz RTC Output
MAX32660应用:
Sports Watches
Fitness Monitors
Wearable Medical Patches
Portable Medical Devices
Industrial Sensors
IoT
图1.MAX32660简化框图
图2.MAX32660系统时钟框图
评估板MAX32660 EVK
The MAX32660 evaluation kit provides a compact development platform that provides access to all the features of the MAX32660 in a tiny, easy to use board. The form factor is a small 0.6in by 0.9in dual-row header footprint that is compatible with breadboards. The board includes a 10-pin Arm® Cortex® debug connector so that it can be used with a DAPLink adapter. Additionally, a red LED indicator and a pushbutton are on board. This board provides a powerful processing subsystem in a very small space that can be easily integrated into a variety of applications.
评估板MAX32660 EVK包括:
MAX32660 EV kit board
MAX32625PICO programming/debug adapter
SWD ribbon cable
USB A to Micro B cable
Pinout card
评估板MAX32660 EVK主要特性:
MAX32660 Microcontroller Arm Cortex-M4F, 96MHz
256KB Flash Memory
96KB SRAM
16KB Instruction Cache
Two SPIs
Two I2Cs
Two UARTs
14 GPIOs
DIP Breakout Board 100mil Pitch Dual Inline Pin Headers
Breadboard Compatible
DAPLink Header 10-Pin Arm Cortex Debug Pinout
Console UART Connection
Integrated Peripherals Red Indicator LED
User Pushbutton
MAX32625PICO Debug Adapter CMSIS-DAP SWD Debugger
Virtual UART Console
图3.评估板MAX32660 EVK外形图
评估板MAX32660 EVK材料清单:
详情请见:
责任编辑:Davia
【免责声明】
1、本文内容、数据、图表等来源于网络引用或其他公开资料,版权归属原作者、原发表出处。若版权所有方对本文的引用持有异议,请联系拍明芯城(marketing@iczoom.com),本方将及时处理。
2、本文的引用仅供读者交流学习使用,不涉及商业目的。
3、本文内容仅代表作者观点,拍明芯城不对内容的准确性、可靠性或完整性提供明示或暗示的保证。读者阅读本文后做出的决定或行为,是基于自主意愿和独立判断做出的,请读者明确相关结果。
4、如需转载本方拥有版权的文章,请联系拍明芯城(marketing@iczoom.com)注明“转载原因”。未经允许私自转载拍明芯城将保留追究其法律责任的权利。
拍明芯城拥有对此声明的最终解释权。