QN9090/30: Bluetooth Low-Energy MCU with Arm®Cortex®-M4 CPU, Energy Efficiency, Analog and Digital Peripherals and NFC Tag Option


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Block Diagram

QN9090/30 Block Diagram

QN9090/30 Block Diagram


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


  • AES256 with hardware protected key
  • Hash engine (SHA256)
  • Code readout protection

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

Operating Conditions

  • Operating voltage: 1.9 to 3.6V
  • Junction Temperature range: -40 to 125 ºC

Part numbers include: QN9030HN, QN9030THN, QN9090HN, QN9090THN.


Quick reference to our documentation types.

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Design Files

2 design files


1-5 of 9 hardware offerings

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1-5 of 10 software files

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Note: For better experience, software downloads are recommended on desktop.

Engineering Services

5 engineering services

To find a complete list of our partners that support this product, please see our Partner Marketplace.


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