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[原创] Maxim MAX32600可穿戴医疗设备开发平台

关键词:ARM Cortex-M3 MCU 可穿戴设备 医疗设备 血糖仪 MAX326

时间:2015-12-07 14:47:21       作者:Maxim       来源:中电网

Maxim公司的MAX32600是基于行业标准的ARM® Cortex®-M3 32位RISC CPU,其最高操作频率为24MHz, 包括256KB闪存,32KB SRAM,2KB指令缓存以及高性能模拟外设.主要用在可穿戴医疗设备,皮电反应(GSR)测量,血糖仪和脉搏血氧饱和度的测量.本文介绍了MAX32600主要特性和优势,框图,开发平台MAX32600MBED优势和特性,框图,电路图,材料清单和PCB设计图.

The MAX32600 microcontroller is based on the industry-standard ARM® Cortex®-M3 32-bit RISC CPU operating at up to 24MHz. It includes 256KB of flash memory, 32KB of SRAM, a 2KB instruction cache, and integrated high-performance analog peripherals. The MAX32600 is available in the following package options: 192-ball, 12mm x 12mm CTBGA; 120-ball, 7mm x 7mm CTBGA; and 108-ball, 5.4mm x 4.3mm WLP。

MAX32600主要特性和优势:

Integrated AFE Enables Precision Wellness Measurements with Minimal Discretes 16-Bit ADC with Input Mux and PGA Up to 500ksps Conversion Rate
PGA with Gain of 1, 2, 4, and 8 and Bypass Mode
Differential 8:1 or Single-Ended 16:1 Input Mux
Internal Mux Inputs for Measuring VDDA3
Internal or External Voltage Reference Programmable Buffers for ADC and DACs
Two 12-Bit DACs and Two 8-Bit DACs
Four Operational Amplifiers
Four Low-Power Comparators
Four Uncommitted SPST Analog Switches
Four Ground Switches
Up to Eight 100mA LED Driver Pairs (Sink)
Internal Temperature Sensor
Secure Valuable IP and Data with Robust On-Board Trust Protection Unit Trust Protection Unit for End-to-End Security
AES Hardware Engine
μMAA for ECDSA and RSA
Hardware PRNG
Fast-Erase SRAM for Secure Key Storage
Industry’s Lowest Overall System Power Increases Battery Life 175μA/MHz Active Power Executing Code from Cache
1.25μA Current Consumption with Real-Time Clock Enable in LP0
1.8μA Current Consumption with Data Retention and Fast 15μs Wakeup in LP1
Peripheral Clock Control
6-Channel DMA Engine Enables Intelligent Peripheral Operation While Micro is in Sleep Mode

MAX32600其它特性和优势:

Industry-Standard Core and Flexible Peripherals Enable Rapid prototyping for Improved Time to Market ARM Cortex-M3 32-Bit RISC CPU Single-Cycle Multiplication Nested Vectored Interrupt Controller

Memory 256KB Flash Memory with 2KB Instruction Cache 32KB SRAM
Supply Voltage 1.8V to 3.6V Digital Supply Voltage 2.3V to 3.6V Analog Supply Voltage
Tool Chains Supported Include GNU, Eclipse, and IAR
Low Power Wakeup (LP0/LP1) RTC Timeout 244μs Resolution Multiple Timer Wakeup Options All 64 GPIO Level Sensitive USB Power Detection

Peripheral Management Unit (PMU) PMU Services Peripherals While CPU is in Sleep Mode Saves Power when ARM Cortex-M3 Core is Inactive 6 PMU Channels, Each with Read/Write Access to All AHB and APB Devices

Digital and Communication Peripherals 4 × 32-Bit Timers, Configurable to 8 x 16-Bit 32-Bit Real-Time Clock with Subsecond Alarm and Two Time-of-Day Alarms Dedicated Backup Supply Pin and Trickle Charge Four Programmable Supply Voltage Detectors Power-On-Reset/Brownout Reset Two Programmable Windowed Watchdog Timers Three SPI Masters, Two UARTs, Two I2C Masters, and One I2C Slave Port Up to 64 GPIO Pins with External Interrupt and Wake from Low-Power Mode Support

USB Device Interface 2.0 Full-Speed Compliant USB Integrated Transceiver with Regulator, On-Chip Termination and Pullup Resistors 5V to 3.3V Regulation with Integrated Supply Management to Enable USB-Compliant Switching Dedicated USB DMA Engine Allows Automatic Transfer of Endpoint Data to/from SRAM

Pulse Train Engine with Eight Digital Output Channels and 5 Analog Control Outputs
Clock Sources 32kHz Crystal Oscillator for Accurate RTC External High-Frequency Crystal Oscillator PLL Generates 48MHz USB Clock (2x/4x/6x HFX) Internal 24MHz ±1% Relaxation Oscillator

LCD Controller 96, 128, or 160 Segments 4 x 24, 4 x 32, 4 x 40 Static, 1/2, 1/3, and 1/4 Duty Cycle Boost Converter for 3.3V VLCD Operation Adjustment Resistor for Contrast Control Eliminates Requirement for External Components
Flexible Package Options 120-Ball CTBGA, 0.5mm Pitch, 7mm x 7mm
192-Ball CTBGA, 0.65mm Pitch, 12mm x 12mm
108-Bump WLP, 0.4mm Pitch, 5.4mm x 4.3mm

MAX32600应用:

Wearable Medical Devices
Pulse Oximetry Measurement
Galvanic Skin Response Measurement
Blood Glucose Metering

图1.MAX32600框图

MAX32600开发平台MAX32600MBED

The MAX32600MBED provides a convenient platform forevaluating the capabilities of the MAX32600 microcontroller.

The MAX32600MBED also provides a complete,functional system ideal for developing and debuggingapplications.

The MAX32600MBED includes a MAX32600 Cortex®-M3microcontroller, prototyping area with adjacent access toprecision analog front end (AFE) connections, I/O accessthrough Arduino™-compatible connectors, additional I/Oaccess through 100mil x 100mil headers, USB interface,and other general-purpose I/O devices.

图2.开发平台MAX32600MBED外形图

开发平台MAX32600MBED优势和特性:

●● On-Board ARM® mbed™ Hardware DevelopmentKit (HDK) Interface Provides Quick Connection toToolchains
●● Arduino-Compatible Connectors Provide Connectivityto Existing Component Boards
●● Prototyping Area Allows Construction of User Circuitsin Close Proximity to Precision AFE I/O
●● General-Purpose Pushbutton Switches and LEDsAllow for On-Board Tactile and Visual Interaction
●● Serial Peripheral Interface (SPI) and Inter-IntegratedCircuit (I2C) Connectivity on a 2 x 6 Header ProvideConnectivity to Existing Evaluation Modules
●● USB Micro-B Connection to MAX32600 USB DeviceController Provides 12Mbps User Data Channel

开发平台MAX32600MBED包括:

●● MAX32600MBED board with MAX32600microcontroller
●● USB Standard-A to Micro-B adapter cable(for connecting on-board HDK to a PC)
●● Quick Start Guide

图3.开发平台MAX32600MBED框图

图4.开发平台MAX32600MBED电路图(1)

图5.开发平台MAX32600MBED电路图(2)

图6.开发平台MAX32600MBED电路图(3)
开发平台MAX32600MBED材料清单:


图7.开发平台MAX32600MBED PCB设计图(1)

图8.开发平台MAX32600MBED PCB设计图(2)
详情请见:
https://datasheets.maximintegrated.com/en/ds/MAX32600.pdf
https://datasheets.maximintegrated.com/en/ds/MAX32600MBED.pdf
以及https://www.maximintegrated.com/en/products/digital/microcontrollers/MAX32600MBED.html#popuppdf
http://pdfserv.maximintegrated.com/en/an/UG6045.pdf
MAX32600.pdf
MAX32600MBED.pdf
UG6045.pdf

 

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