双向无线模块选型手册.ppt

引脚定义 Pin No Pin Name Pin Type Description 一般描述 1 VCC Power 1.8V-3.6V power1.8~3.6电源 2 SI Digital Input Serial configuration interface, data input串行配置接口，数据输入 3 SCLK Digital Input Serial configuration interface, clock input串行配置接口，时钟输入 4 SO Digital Output Serial configuration interface, data output.串行配置接口，数据输出 Optional general output pin when CSn is highCSn高电平时，可选通用输出 5 GDO2 Digital Output Digital output pin for general use:通用数字信号输出： ? Test signals测试信号 ? FIFO status signals先进先出堆栈状态信号 ? Clear Channel Indicator空闲信道指示 ? Clock output, down-divided from XOSC? 时钟输出，从XOSC分频 ? Serial output RX data串行输出接收数据 6 GND Ground GND 地 7 GDO0 Digital 0/I Digital output pin for general use:通用数字信号输出： ? Test signals测试信号 ? FIFO status signals先进先出堆栈状态信号 ? Clear Channel Indicator 空闲信道指示 ? Clock output, down-divided from XOSC时钟输出，从XOSC分频 ? Serial output RX data串行输出接收数据 Serial intput RX data串行输入接收数据 8 CSn Digital Input Serial configuration interface, chip select串行配置接口，芯片选择 9 PA_EN Digital Input When TX status set ”, RX set” Tx发射状态时设置为“RX接收设置为“ 10 LNA_EN Digital Input When RX status set ”, TX set” Rx接收状态时设置为“TX发射设置为“ 主要参数 Parameter Min Typ Max Unit Condition/Note Receiver sensitivity 接收灵敏度 　 –110 　 dBm 2-FSK, 2.4kbps, 38kHz deviation, , 1% packet error rate, 20 bytes packet length, 203 kHz digital channel filter bandwidth 　 –105 　 dBm 10 kbps data rate,FSK, 1% packet error rate, 20 bytes packet length, 232 kHz digital channel filter bandwidth 　 -95 　 dBm 250kbps, MSK, 1% packet error rate, 20 bytes packet length, 540 kHz digital channel filter bandwidth 　 -89 　 dBm 500Kbps,MSK, 1% packet error rate, 20 bytes packet length, 812 kHz digital channel filter bandwidth Digital channel filter bandwidth数字通道滤波器带宽 58 　 650 kHz User programmable. The bandwidth limits are proportional to crystal frequency (given values assume a 26.0MHz crystal). Output power, highest setting最大输出功率 　 18.5 21 dBm Output power is programmable, and full range is available in all frequency bands. Delive