QN902x Ultra low power Bluetooth LE system-on-chip solution Rev. 2.7 21 November 2018 Product data sheet 1. Introduction QN902x is an ultra low power, wireless System-on-Chip (SoC) for Bluetooth Smart applications. It supports both master and slave modes. QN902x integrates a high performance 2.4 GHz RF transceiver with a 32-bit ARM Cortex-M0 MCU, flash memory, and analog and digital peripherals. By integrating a Bluetooth LE v4.2 compliant radio, link controller and host stack, QN902x provides a single-chip solution for Bluetooth Smart applications. The 32-bit ARM Cortex-M0 MCU and on-chip memory provides additional signal processing and room to run applications for a true single-chip Bluetooth Smart solution. In addition, QN902x can be used as a network processor by connecting to an application processor via UART or SPI. It helps to add Bluetooth Smart feature to any product. QN902x has built-in analog and digital interfaces. It enables easy connection to any analog or digital peripheral, sensor, and external application processor in network processor mode. 2. General description QN902x is an ultra low power, high performance and highly integrated Bluetooth LE solution. It is used in Bluetooth Smart applications such as sports and fitness, human interface devices, and app-enabled smart accessories. It is specially designed for wearable electronics and can run on a small capacity battery such as a coin cell battery. QN902x integrates a Bluetooth LE radio, controller, protocol stack and profile software on a single chip, providing a flexible and easy to use Bluetooth LE SoC solution. It also has a high performance MCU and an on-chip memory that can support users to develop a single-chip wireless MCU solution. Users can also utilize QN902x as a network processor by connecting to an application processor for more advanced applications. Additional system features include fully integrated DC-to-DC converter and LDO, low-power sleep timer, battery monitor, general-purpose ADC, and GPIOs. These features reduce overall system cost and size. QN902x has very low power consumption in all modes. It enables long life in battery-operated systems while maintaining excellent RF performance. QN9020/1 operates with a power supply range of 2.4 V to 3.6 V. The QN9022 operates with a power supply range of 1.8 V to 3.6 V. 3. Features and benefits True single-chip Bluetooth LE SoC solution Integrated Bluetooth LE radio Complete Bluetooth LE protocol stack and application profilesNXP Semiconductors QN902x Ultra low power Bluetooth LE system-on-chip solution Supports both master and slave modes Supports secure connections Up to eight simultaneous links in master mode Frequency bands: 2400 MHz to 2483.5 MHz 1 Mbit/s on air data rate and 250 kHz deviation GFSK modulation format RF 95 dBm RX sensitivity (non-DC-to-DC mode) 93 dBm RX sensitivity (DC-to-DC mode) TX output power from 20 dBm to +4 dBm Fast and reliable RSSI and channel quality indication Compatible with worldwide radio frequency regulations Excellent link budget up to 99 dB Very low power consumption Single power supply of 2.4 V to 3.6 V for QN9020/1 Single power supply of 1.8 V to 3.6 V for QN9022 Integrated DC-to-DC converter and LDO 2 A deep sleep mode 3 A sleep mode (32 kHz RC oscillator on) 9.25 mA RX current with DC-to-DC converter 8.8 mA TX current 0 dBm TX power with DC-to-DC converter Compact 6 mm 6 mm HVQFN48 package for QN9020, 5 mm 5 mm HVQFN32 package for QN9021, and 5 mm 5 mm HVQFN40 package for QN9022 Microcontroller Integrated 32-bit ARM Cortex-M0 MCU 64 kB system memory 96 kB ROM 128 kB on-chip flash memory with 4 kB page size for QN9020 and QN9021 User-controllable code protection High-level integration 4-channel, 10-bit general-purpose ADC Two general-purpose analog comparators 31 GPIO pins for QN9020, 15 GPIO pins for QN9021, and 22 GPIO pins for QN9022 GPIO pins can be used as interrupt sources Four general-purpose timers 32 kHz sleep timer Watchdog timer Real-time clock with calibration 2-channel programmable PWM Two SPI/UART interfaces 2 I C-bus master/slave interface Brownout detector Battery monitor AES-128 security coprocessor QN902x All information provided in this document is subject to legal disclaimers. NXP Semiconductors N.V. 2018. All rights reserved. Product data sheet Rev. 2.7 21 November 2018 2 of 44