User's Manual

Page2
Device Features：
– A small and cost effective Bluetooth® Low Energy System
– Bluetooth® specification v4.1
– Single module compliant – Supports mater or slave mode
– Integrated Bluetooth low energy stack: GAP,GATT,ATT,L2CAP,SMP
– RSSI monitoring for proximity applications
– Programmable general purpose
– 10-bti ADC
– 12 digital PIOs
– 3 analogue AIOs
– UART
– I2C interface
– Wakeup-interrupt
– Watchdog timer
– Software programmable
– Ultra Low current consumption
Specifications:
Operating Frequency Band
2.4GHz ~ 2.4835GHz unlicensed ISM band
Bluetooth Specification V4.1
RF Output Power 3.0 dBm (MAX)
Operating Voltage 1.8V-3.6V
Host Interface UART
Dimension 15.5mm (L) x 12 (W) mm x 2.4 (H) mm
NOTES:Specifications are subject to change without prior notice
Top view
Absolute Maximum Ratings
Rating Min Max Unit
Storage temperature -40 85 °C
Battery (VDD_BAT) operation
(
a
)
1.8 4.4 V
I/O supply voltage （VDD_IO）
-0.4 4.4 V
Other terminal voltages VSS - 0.4 VDD + 0.4 V