Heart Rate Monitor


Product Details

Block Diagram

Heart Rate Monitor

Heart Rate Monitor BD

Supported Devices

Power Management

Battery Chargers

LED Controllers

Wireless Connectivity

Bluetooth Low Energy

Peripherals and Logic

RTCs with SPI


General Purpose I/O (GPIO)


CPU and Memory

  • Up to 48MHz Cortex-M4
  • Up to 640 kB flash, up to 152 kB RAM, 128 kB ROM
  • NFC NTAG Option with EEPROM
  • Quad-SPI for execute in place or data storage in NVM

RF performance/power consumption

  • -97 dBm RX sensitivity
  • Up to 11dBm TX power
  • RX 4.3mA, DC/DC on at 3V
  • TX 7.4mA @ 0dBm, 20.5mA @ 10dBm
  • BLE 5.0 with 2Mbps and up to 8 simultaneous connections

Digital and Analog Interfaces

  • UART/SPI/I2C up to 2
  • ISO7816 Interface for Secure Access Module
  • 8 ch 12-bit ADC
  • 1 Analog comparator
  • Digital Microphone Interface and Audio Event Detection

Clocks and timers

  • 32 MHz and 32.768 kHz crystals
  • Low and High Frequency Internal Clock sources
  • 4 x general purpose timer
  • 32K sleep timer
  • Watchdog timer
  • RTC with calibration


Quick reference to our documentation types.

5 documents


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