MK04 series module is a highly integrated BLE 4.2 module with NFC function, it was designed for high data rate, short-range wireless communication in the 2.4GHz ISM band. The module is designed based on Nordic Semiconductor nRF52832 radio Transceiver IC, has a 32 bit ARM Cortex-M4 CPU, flash memory and analog and digital peripherals. MK04 provides a low power and ultra-low cost BLE and proprietary protocols for wireless transmission applications.

Key Features

32 bits ARM Cortextm-M4 @ 16MHz

2.4GHz multi-protocol transceiver

-96 dBm sensitivity in Bluetooth low energy mode

64kB RAM

512kB Flash

5.3 mA peak current in TX (0 dBm)

5.4 mA peak current in RX

29 configurable I/O pins

Programmable peripheral interconnect (PPI)

AES HW encryption with EasyDMA

RNG, RTC

Temperature sensor

Up to 3x SPI master/slave with EasyDMA

Up to 2x I2C compatible 2-Wire master/slave

I2S with EasyDMA

UART (CTS/RTS) with EasyDMA

3x 4-channel pulse width modulator (PWM) units with EasyDMA

Digital microphone interface (PDM)

5x 32-bit timers with counter mode

Quadrature decoder (QDEC)

12-bit, 200 ksps ADC - 8 configurable channels with programmable gain

64 level comparator

Single-pin antenna interface

NFC-A tag

Tx Power -20 to +4 dBm in 4 dB steps

Supply voltage range : 1.7V to 3.6V

Dimension :25x17x1.0mm

Applications

Internet of Things (IoT)

Home automation

Sensor networks
Building automation
Industrial
Retail
Personal area networks

Health/fitness sensor and monitor devices

Medical devices
Key fobs and wrist watches

Interactive entertainment devices

Remote controls
Gaming controllers
Beacons

A4WP wireless chargers and devices

Remote control toys

Computer peripherals and I/O devices

Mouse
Keyboard
Multi-touch trackpad
Gaming