Raytac’s MDBT50Q is a BT 5.4 stack (Bluetooth® low energy or BLE) module designed based on Nordic nRF52840 SoC solution, which incorporates: GPIO, SPI, UART, I2C, I2S, PMD, PWM, ADC, NFC and USB interfaces for connecting peripherals and sensors.

It features an embedded 2.4GHz transceiver supports Bluetooth 5.4, IEEE 802.15.4 (Thread & Zigbee) & 2.4Ghz RF & ANT+ upon customer’s preference. Compact size with (L) 15.5 x (W) 10.5 x (H) 2.05 or 2 mm. Low power requirements, ultra-low peak, average and idle mode power consumption. Fully coverage of BLE software stack. BLE & RF transmission switching helps products fit all operation system and most hardware

• BT5.4 & BT5.2 & BT5.1 & BT5 Bluetooth Specification Certified.
• Bluetooth 5, IEEE 802.15.4, 2.4 GHz transceiver
  • -95dBm sensitivity in 1Mbps Bluetooth low energy (BLE) mode
  • -103dBm sensitivity in 125Kbps BLE mode (long range)
  • +8 dBm TX power (down to -20 dBm in 4 dB steps)
  • On-air compatible with nRF52, nRF51, nRF24L and nRF24AP Series
  • Programmable output power from +8dBm to -20dB
  • RSSI (1dB resolution)
  • Supported data rates:
  • Bluetooth 5: 2 Mbps, 1 Mbps, 500 kbps, 125 kbps
  • IEEE 802.15.4-2006: 250 kbps
  • Proprietary 2.4 GHz: 2 Mbps, 1 Mbps
• ARM Cortex –M4 32-bit processor with FPU, 64 MHz
• Memory: 1MB flash / 256KB RAM
• HW accelerated security
  • ARM TrustZone Cryptocell 310 security subsystem
  • 128 bit AES / ECB / CCM / AAR co-processor (on-the-fly packet encryption)
• Advanced on-chip interfaces
  • USB 2.0 full speed (12Mbps) controller
  • QSPI 32MHz interface
  • High speed 32MHz SPI
  • Type 2 near field communication (NFC-A) tag with wake-on field
  • Programmable peripheral interconnect (PPI)
  • 48 general purpose I/O pins
  • EasyDMA automated data transfer between memory and peripherals.
• 12 bit, 200ksps ADC – 8 configurable channels with programmable gain
• 4 x 4 channel pulse width modulator (PWM) units with EasyDMA
• Audio peripherals : I2S, digital microphone interface (PDM)
• 5 X 32-bit timers with counter mode
• Up to 4 x SPI masters / 3 x SPI slaves with EasyDMA
• Up to 2 x I2C compatible 2-wire masters / slaves
• 2 x UART(CTS/RTS) with EasyDMA
• Quadrature decoder (QDEC)
• 3 x 24-bit real-time counters (RTC)

• Datasheet