MDBT42Q is a BT 4.0, BT 4.1 and BT 4.2 stack (Bluetooth low energy or BLE) module designed based on Nordic nRF52832 SoC solution, which incorporates: GPIO, SPI, UART, I2C, I2S, PWM and ADC interfaces for connecting peripherals and sensors.

Features

Dual Transmission mode of BLE & 2.4 GHz RF upon customer preference.
Long working distance: over 80 meters in open space
Compact size with (L) 16 x (W) 10 x (H) 2.2 mm.
Low power requirements, ultra-low peak, average and idle mode power consumption.
Be compatible with a large installed base of mobile phones, tablets and computers.
Fully coverage of BLE software stack. See 1.3 Profile & Service Information.
BLE & RF transmission switching helps products fit all operation system and most hardware.

Specification

Multi-protocol 2.4GHz radio
32-bit ARM Cortex – M4F processor
512KB flash programmed memory and 64KB RAM
Software stacks available as downloads
Application development independent from protocol stack
On-air compatible with nRF51, nRF24AP and nRF24L series
Programmable output power from +4dBm to -20dBm
RAM mapped FIFOs using EasyDMA
Dynamic on-air payload length up to 256 bytes
Flexible and configurable 32 pin GPIO
Simple ON / OFF global power mode
Full set of digital interface all with Easy DMA including:

3 x Hardware SPI master ; 3 x Hardware SPI slave

2 x two-wire master ; 2 x two-wire slave

1 x UART (CTS / RTS)

PDM for digital microphone

I2S for audio

12-bit / 200KSPS ADC
128-bit AES ECB / CCM / AAR co-processor
Lowe cost external crystal 32MHz ± 40ppm for Bluetooth ; ± 50ppm for ANT Plus
Lowe power 32MHz crystal and RC oscillators
Wide supply voltage range 1.7V to 3.6V
On-chip DC/DC buck converter
Individual power management for all peripherals
Timer counter

5 x 32-bit

3 x 24-bit RTC

NFC-A tag interface for OOB pairing
Granted main regional certification such as FCC (USA), CE (Europe), IC (Canada), TELEC (Japan), KCC (Korea), SRRC (China), and NCC (Taiwan)
RoHS and REACH compliant