The ECG (Electrocardiograph) Meter is a medical monitor meter used for Cardiac dysrhythmia patients to identify Cardiac irregularities earlily to prevent heart palpitations, cardiac arrest and shock. It must include an ultra-low power microcontroller (MCU), LCD display, RTC, data storage, a high-precision 24-bit Analog-to-Digital converter, and runs an ECG algorithm to translate data into Electrocardiograph waveform to instantly display on a LCD panel, and provides the data upload function to PC, Pad, or Smart phone through USB interface. Due to the need to run at very low power and long standby time with battery powered, the Nano120 series is suitable for ECG (Electrocardiograph) meter applications.

The Nano120 series provides high performance and low cost ultra-low power 32-bit ARM® Cortex™-M0 core, runs up to 42 MHz, and supports 32-bit hardware multiplier, Low operating voltage 1.8V to 3.6V, Ultra-low power operating mode (< 200uA/MHz), Power-down mode (RTC turn on, RAM retention < 2.5uA), Deep Power-down mode, RAM retention (< 1uA), Flash ROM up to 128 KB and RAM up to 16 KB, high integrated RTC, 12-bit ADC, 2 MSPS conversion rate, internal RC 12 MHz OSC, and USB2.0 full speed device to reduce system BOM cost, rich peripheral I²Cx2 , SPIx3, UARTx5, Anti-theft lock code bit, 96-bit Unique ID and 128-bit Unique customer ID, and strong anti-jamming ability (ESD 8kV, EFT 4kV).

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