Bluetooth Low Energy BLE Module MDBT42V-512KV2
Raytac’s MDBT42V and MDBT42V-P are BT5.2, BT5.1, BT5, and BT4.2 stack (Bluetooth Low Energy or BLE) modules designed based on Nordic nRF52832 SoC solution. These modules incorporate GPIO, SPI, UART, I2C, I2S, PWM, ADC, and NFC interfaces for connecting peripherals and sensors.

Specifications
- 32-bit ARM® Cortex™ M4F CPU
- Supply: 1.7V – 3.6V
- Memory: 512kB Flash Memory
- RAM: 64kB
- Tx Power: +4 dBm @ 7.5mA, 0 dBm @ 5.3mA
- Rx Sensitivity: -96 dBm @ 5.4mA
- Flexible and configurable 32Â GPIO (8 analog inputs)
- Interfaces: UART / I2C / SPI / PWM / PDM / I2S / NFC
- 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
- Low cost external crystal 32MHz ± 40ppm for Bluetooth ; ± 50ppm for ANT Plus
- Low-power 32MHz crystal and RC oscillators
- Operating Temp: -40°C to +85°C
- SPQ: 160/tray; Less than SPQ is workable (Polybag ship)
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Raytac Corporation was established in 2004 by a group of engineers with expertise in radio frequency (RF) technology and a team of experienced senior multinational marketing and production personnel. With the core technology know-how in RF and Bluetooth, R&D, and manufacturing and marketing of wireless electronic products, Raytac is committed to providing customers with a more convenient wireless choice.
With the coming hype of IoT, Bluetooth Low Energy (BLE) has become the key to triggering the future. Following Nordic Semiconductor’s steps in the wireless field, Raytac perpetuates efforts to launch various modules to fulfill all developers’ needs and demands.
Raytac acknowledges that developers deserve the best hardware to encourage each IoT plan to connect without borders and inspire without end. We have resolved to focus on creating sophisticated hardware with an easy layout for flexible design. Moreover, the modules are fully certified with not only Bluetooth specification BT4.2, BT5.1, and the latest BT5.2, but also regional safety regulations in central areas such as FCC (USA), CE (EU), IC (Canada), TELEC (Japan), KC (Korea), SRRC (China), RCM (ANZ), WPC (India), etc. Raytac aims to build a value chain to provide customers with a cost-effective, speed-time-to-market solution and reliable quality control system with years of experience.
The mission is “Making people’s lives more convenient through innovation and application of wireless technology.” Raytac will constantly evolve and adapt its Bluetooth technology to provide all its customers with the best solutions in the wireless world. Moreover, we are devoted to being one of the world’s leaders in wireless technology and making increasingly significant contributions to humanity.
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