Introduction: 1.Frequency:24MHz 2.Flash:Up to 256KB 3.SRAM:8kB 4.GPIO:21 5.SPI:1 6.UART:! 7.ADC:12-bit,8 channel 8.Min VCC:2V 9.Max VCC:3.6V 10.Standby Power:0.4uA 11.Wakeup Time From Standby:500us 12.Operating Temperature Range:-40℃~125℃ 13.RF Standard Supported:ZigBee/6LoWPAN/802.15.4 MAC 14.CPU Core:8051 15.Security:128-bit AES 16.Antenna Connection:yes 17.RX Current:20.5mA (Lowest) 18.Frequency Bands:2394-2507MHz Features: 1.RF/Layout 2.2.4-GHz IEEE 802.15.4 Compliant RF Transceiver 3.Excellent Receiver Sensitivity and Robustness to Interference 4.Programmable Output Power Up to 4.5 dBm 5.Very Few External Components Key Applications: 1.2.4-GHz IEEE 802.15.4 Systems 2.RF4CE Remote Control Systems (64-KB Flash and Higher) 3.ZigBee Systems (256-KB Flash) 4.Home/Building Automation 5.Lighting Systems 6.Industrial Control and Monitoring 7.Low-Power Wireless Sensor Networks 8.Consumer Electronics 9.Health Care