UC知道高手帮忙翻译下 毕业设计 急
来源：百度知道 编辑：UC知道 时间：2024/05/14 09:15:34
Figure 1 shows the timing required for an RC5 packet transmission. During a transmission, the 0.89ms half bit time needs to be counted, and while transmitting a mark a 40 kHz PWM signal must be generated.The MSP430F2xx family features an internal digitally controlled oscillator (DCO) that is stable without an external crystal, allowing faster wake-up times from LPM4 (less than 1 μs) and lower overall system cost.The CALDCO registers of the MSP430F2xx devices contain DCO calibration data for several operating frequencies. The application described here uses the calibration data corresponding to a 1 MHz DCO operating frequency. CALDCO_1MHZ and CALBC1_1MHZ contain the appropriate values for DCOCTL and BCSCTL1 respectively.To achieve the 40 kHz PWM output, Timer_A3 is used in Up Mode sourced by the DCO. A value of 24 in CCR0 sets the period to 40 kHz. CCR1 determines the duty cycle. A lower duty cycle will extend battery life, but the duty cycle must be long enough for the LED to adjust to
图1显示的时间需要一个RC5包传输。在传输中,0.89ms半一点时间需要数,并同时传送一个标志着一个40赫兹的脉宽调制信号是. MSP430F2xx家庭特征的内部数码控振荡器(DCO),没有外部水晶、稳定时间从LPM4允许更快叫醒(小于1μs)和低成本的整体系统的. 这个CALDCO寄存器的MSP430F2xx设备校准数据的DCO包含几个操作频率。这里描述的应用程序使用了校准数据对应1兆赫DCO操作频率。CALDCO _ 1MHZ和CALBC1 _ 1MHZ包含适当的价值和BCSCTL1 DCOCTL分别达到40赫兹PWM输出、定时器_ A3用于采购的方式DCO起来。24在CCR0价值40赫兹的时期。CCR1决定任务的循环。较低的责任周期延长电池的使用寿命,但责任周期必须足够长的时间,导致了适应它与收信人认识到它。7在CCR1价值产生了29%负载时被传输马克定时器_ A3配置生产40赫兹PWM输出如上所述,TACCR0中断被激活。为了接下来半后,大量的女士0.89点TACCR0中断必须计算。当一个空间是被传送给一个值TACCR0导致中断后。0.89这个数目的TACCR0中断数为标志,TACCR0价值为空间是依赖于软件开销之间完成一个马克/空间并决定了半个点应。这个代码使用价值的供应产生0.89 ms标志和空间。
加油啊
才20分?
太少了
是关于无线电发射和接收的吧，积分太少了，专业性强，翻译下来，不太容易的。呵！