User's Manual

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Coin-size Ultra Low Power Bluetooth 4.0 Low Energy RF Module
Features
 Complete Bluetooth low energy solution (Bluetooth 4.0)，single mode compliant，Integrated
Bluetooth low energy stack/profiles.
 2.4 GHz transceiver
• -93 dBm sensitivity in Bluetooth® low energy mode, -96 dBm sensitivity@250kbps,
• TX Power -20 to +4 dBm in 4 dB steps
• 13 mA peak RX, 10.5 mA peak TX (0 dBm)
• RSSI (1 dB resolution)
 ARM® Cortex™-M0 32 bit processor, 256 kB flash memory, 16 kB RAM.
• 275 μA/MHz running from flash memory
• 150 μA/MHz running from RAM
• Serial Wire Debug (SWD)
 Ultra low current consumption , Flexible Power Management
• Supply voltage range 1.8 V to 3.6 V
• 2.5 μs wake-up using 16 MHz RCOSC
• 0.4 μA @ 3 V OFF mode
• 0.5 μA @ 3 V in OFF mode + 1 region RAM retention
• 2.3 μA @ 3 V ON mode, all blocks IDLE
 Flexible real-time counter and Two 16 bit and one 24 bit timers with counter mode
 AES Coprocessor, Random Number Generator ,Watchdog Timer ,Temperature sensor
 Rich set of Peripheral: ADC, SPI, 2-wire , and UART.
Programmable Peripheral Interconnect(PPI)
 Internal RC Oscillator 32.768 kHz(± 250 ppm).
 Configurable I/O mapping (I/O signals can use any pin,
Simple layout of external application)
 Ultra small size(smaller than CR2032 coin battery), about 15mmx15mmx2.5mm with Antenna.
DTR6818 --
Bluetooth 4.0 Module
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