Key Feature

 Worldwide 5.8 GHz ISM band operation

 FSK enables better sensitivity and GFSK gives better spectrum efficiency

 250 kbps, 1 Mbps or 2 Mbps air data rate

 Programmable output power: from 8 to -40 dBm

 Tolerate +/- 120ppm 16 MHz crystal； 6 data pipes for 1:6 star networks

 1.8 V to 3.6 V power supply

 USB2.0 full speed controller(12MHz), 8 endpoint

 128k bytes FLASH for program

 16k Bytes SRAM

 Embedded five Timer/Counter

 Support I2C, SPI, UART

 I2S embedded, left justified, DSP/PCM mode, support master or slave mode

 Differential DAC

 Two 10bits PWM controller

 Eight channel 10bits ADC.

 Programmable watch dog timer

 low power consumption in Standby mode, embedded with RC32k oscillator

 Low battery detect circuit

 Total maximum 32 GPIO available

 IO wakeup function

 12.288 or 11.2896 clock output for CODEC chip

 On chip debug system(JTAG)