Data Sheet

8
3.1.3. RF Electrical Characteristics
Table 3-3. RF Electrical Characteristics
Parameter Range Unit
Frequency range 2400~2483.5 MHz
Quantity of Channels 16
Channel spacing 5 MHz
Transmitting power 14 dBm
Receiving sensitivity -102.5 dBm
Max transmitting rate 250 kbps
Rated Input / Output Impedance 50 Ω
3.1.4. Processor Characteristics
Table 3-4. Processor Characteristics
Parameter
Processor core 32bit ARM®-M33
Max operating frequency 80MHz
3.1.5. Module Interface Characteristics
Table 3-5. Module Interface Characteristics
Parameter Test Conditions Range Unit
UART Max baud rate 230400 bps
The resolution / conversion time of the analog
channel
Half-duplex mode 12/4096 Bits/µs
Analog input impedance >1
Analog reference voltage (VREF) 3.3 V
Analog input voltage 0 - VREF V
I2C bus maximum clock frequency 1000 KHz
GPIO output voltage (logic 0) -8/ 4 mA 0 ~ 0.18*VCC V
GPIO output voltage (logic 1) -8/ 4 mA 0.82*VCC ~ VCC V
Real-time clock frequency 32.768 KHz