Raytac’s MDBT42Q & MDBT42-P is a BT5.0 & BT4.2 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.
Bluetooth Certificaiton: BT5.0 & BT4.2
Safety Regulation Compliance: FCC (USA) / IC (Canada) / CE (EU) / Telec (Japan) / SRRC (China) / KC (Korea) / NCC (Taiwan)
MDBT42Q&MDBT42Q-P Spec Sheet (nRF52832)
http://www.raytac.com/download/MDBT42/MDBT42Q-Version%20E.PDF
About The Module:
1. Dual Transmission mode of BLE & 2.4Ghz RF upon customer preference.
2. Compact size with (L) 13.8 x (W) 8.8 x (H) 1.9 mm.
3. Low power requirements, ultra-low peak, average and idle mode power consumption.
4. Be compatible with a large installed base of mobile phones, tablets and computers.
Features:
‧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
‧RSSI
‧RAM mapped FIFOs using EasyDMA
‧Dynamic on-air payload length up to 256 bytes
‧Flexible and configurable 32 pin GPIO
‧Programmable peripheral interface - PPI
‧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
‧Quadrature demodulator
‧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