Bluetooth slave 5.1 serial port module

•2.4-GHz RF Transceiver Compatible With Bluetooth

•Low Energy (BLE) 5.1

•Supports up to three BLE connections

•Typical cold boot to radio active 35 ms

•16 MHz 32-bit ARM® Cortex-M0+ with

•SWD interface

•Dedicated Link Layer Processor

•AES-128 Encryption Processor

•32 kB One-Time-Programmable (OTP)

•48 kB Retainable System RAM

•144 kB ROM

•Clock-less hibernation mode: 270 nA

•10-bit ADC for battery voltage monitoring

•Built-in temperature sensor for die temperature monitoring

•TX: 3.5 mA, RX: 2.2 mA (system currents with DC-DC, VBAT_HIGH =3 V and 0 dBm)

•Programmable transmit output power from -19.5 dBm to +2.5 dBm

•-94 dBm receiver sensitivity

•Support SPI, UART, I2C interface

•Support the OTA upgrade

•Wide Operating Voltage Range:1.65V to 3.6V

•Operating Temperature: -40°C to +85°C

Application

•Medical applications Disposables Beacons

•Proximity tags and trackers Smartwatches

•Human interface devices (HID)

•Industrial appliances 
Datasheet