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Part Number: WearableECG
CONNECTED WEARABLE ELECTROCARDIOGRAM (ECG) DEMO
Ultra Low Power SAML22 MCU
• ARM® Cortex®-M0+ based MCU running up to 32MHz
• Up to 256KB embedded Flash and 32KB SRAM
• Ultra Low power consumption at <39µA/MHz in Active & 490nA with RTC in backup sleep mode
• Segment LCD (SLCD) Controller with up to 320 segments
BTLC1000 BLE Module
• Ultra low-power Bluetooth Low Energy (BLE 4.1) SoC
• Fully qualified Bluetooth 4.1 module offers rapid time to market
• On-board Bluetooth Low Energy 4.1 stack
ECC508A CryptoAuthentication Chip
• Crypto element device with secure hardware-based key storage
• Performs high-speed public key algorithms: ECDSA and ECDH
• NIST standard P256 elliptic curve support
• SHA-256 hash algorithm with HMAC option
NeuroSky BMD 101 CardioChip
• Single-chip solution for accurate bio-signal detection and processing
• Mixed-signal SoC with integrated Analog Front End (AFE), DSP functions and UART
• Accurate ECG raw signal as well as real-time heart-rate output
For more information on the Connected WECG Demo.
Overview
Measuring cardiac health and performance is important for fitness applications, but is also an essential part of many medical device designs. As medical remote patient monitoring becomes more important, the need for wearable Electrocardiogram (ECG) capability has become critical. Microchip’s Connected Wearable ECG Demonstration Board design can be used for advanced fitness tracking devices and also for the design of wearable remote patient monitoring and diagnostic systems.
This demo features the SAML22—an ultra low power, 32-bit ARM Cortex-M0+ microcontroller , the BTLC1000 Bluetooth® Low Energy (BLE) 4.1 Module, the ECC508A CryptoAuthentication chip and the NeuroSky BMD101 CardioChip AFE.
Powered by a single AAA battery, this board uses the ECG method of measuring heart rate which can give a better picture of overall cardiac health than other methods. The basic measurements available are; heart rate, heart rate variability, heart age and stress level. Patient movement is tracked via an on-board accelerometer. This board can also be used as a development platform for devices utilizing more advanced ECG measurements. The on-board BTLC1000 BLE module allows the demo to communicate with tablets, smartphones or PCs, thus enabling IoT capability.
Demonstration Highlights:
• Ideal for portable/wearable medical/fitness designs
• Measures heart rate, heart rate variability, heart age and stress using ECG methodology
• Easy development of more advanced heart-health index functions
• Ability to do separate ECG lead I, II or III measurements with individual electrodes
• Advanced ECG algorithms can be developed with Microchip partner NeuroSky, Inc.
• BLE module is used for smartphone/tablet IoT capability
• Hardware support for CryptoAuthentication chip
• Low overall BOM cost due to high level of integration
Note: *This demo is not available for purchase. Contact your local sales representative to see a working demonstration of the Connected Wearable ECG board.