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MDBT40 is a BT 4.0 & BT 4.1 stack (Bluetooth low energy or BLE) module designed based on Nordic nRF51822 SoC solution, which incorporates: GPIO, UART, I2C, SPI, PWM and ADC interfaces for connecting peripherals and sensors.
Features
1. Dual Transmission Mode of BLE & RF 2.4G upon customer preference.
2. Compact size with (L) 18 x (W) 10 x (H) 3.2 mm
3. Low power requirements, ultra-low peak, average and idle mode power consumption.
4. Compatible with a large installed base of mobile phones, tablets and computers.
5. Fully coverage of BLE software stack including:
Proximity Profile; Heart Rate Profile; Health Thermometer Profile;
Blood Pressure Profile; Running Speed & Cadence Profile;
HID Over GATT Profile; Alert Notification Profile; Glucose Profile;
Cycling Speed & Cadence Profile
6. BLE & RF transmission switching may help products to fit all operation system
7. BLE & RF transmission switching may help products fit all kinds of hardware.
Applications
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Computer peripherals and I/O devices
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Mouse
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Keyboard
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Multi-touch track pad
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Interactive entertainment devices
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Remote control
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3D Glasses
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Gaming controller
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Personal Area Networks
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Health/fitness sensor and monitor devices
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Medical devices
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Key-fobs + wrist watch
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Remote control toys
Product Dimension
PCB SIZE：(L) 18 x (W) 10 x (H) 3.2 mm
Specifications
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2.4GHZ transceiver:
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-93dbm sensitivity in Bluetooth low energy mode
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TX Power -20 to +4dbm
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RSSI (1db resolution)
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ARM Cortex – M0 32 bit processor:
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Serial Wire Debug (SWD)
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S100 series SoftDevice ready
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Memory:
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256kb embedded flash programmed memory
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32kb RAM
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Support for non-concurrent multiprotocol operation
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On-air compatibility with nRF24L series
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Flexible Power Management:
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Supply voltage range 1.8V to 3.6V
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2.5us wake-up using 16MHz RCOSC
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0.6uA @ 3V mode
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1.2uA @ 3V in OFF mode + 1 region RAM retention
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2.6uA @ 3V ON mode, all blocks IDLE
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8/9/10 bit ADC- 8 configurable channels
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31 General Purpose I/O Pins
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One 32 bit and two 16 bit timers with counter mode
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SPI Master / Slave
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UART (CTS/RTS)
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CPU independent Programmable Peripheral Interconnect (PPI)
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Quadrature Decoder (QDEC)
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AES HW encryption
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Real Timer Counter (RTC)
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Main Chip Solution:
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RF IC: Nordic NRF51822/QFN48
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Crystal Frequency 16MHZ
