Bluetooth Low Energy Module
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. Highlighted 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 covered with BLE software stack. See 1.3 Profile & Service Information. BLE & RF transmission switching helps products fit all operation systems and most hardware. Applications IoT Home automation Sensor networks Building automation Personal Area Networks Health/fitness sensor and monitor device Medical devices Key-fobs and wristwatches Interactive entertainment devices Remote control Gaming controller Beacons A4WP wireless chargers and devices Remote control toys Computer peripherals and I/O devices Mouse Keyboard Multi-touch trackpad Specifications 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 the 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 of up to 256 bytes Flexible and configurable 32-pin GPIO Simple ON / OFF global power mode Full set of digital interfaces 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 certifications such as FCC (USA), CE (Europe), IC (Canada), TELEC (Japan), KCC (Korea), SRRC (China), and NCC (Taiwan) RoHS and REACH compliant Documentation Data Sheet