文件名称:clock
- 所属分类：
- 其他嵌入式/单片机内容
- 资源属性：
- [C/C++] [源码]
- 上传时间：
- 2012-11-26
- 文件大小：
- 2kb
- 下载次数：
- 0次
- 提 供 者：
- g**
- 相关连接：
- 无
- 下载说明：
- 别用迅雷下载，失败请重下，重下不扣分！
介绍说明－－下载内容均来自于网络，请自行研究使用
Clock
This application shows the use of the 16 bits of the timer counter to generate internal interrupts and consequently generate a timing function. This application depends upon the system clock frequency as a basis for its timing. The application shown here uses a 400KHz system clock which will generate a 100KHz timer/counter clock due to the internal divide by four operation. With a 16 bit counter the maximum count is 65536, this would generate an internal interrupt every 0.65536 seconds. However for a clock function a basic time unit of 1 second is required so for this reason the timer/counter is setup to record a basic timing of 0.5 seconds. In this case an interrupt will be generated every 0.5 seconds, so by counting two interrupts a means of obtaining the basic timing unit of 1 second is obtained. The application shown uses a 4 seven segment displays to display a clock in 24 hour format, displaying both hours and minutes. Two keys are provided to provide for adjustment of hours and minutes.
-Clock
This application shows the use of the 16 bits of the timer counter to generate internal interrupts and consequently generate a timing function. This application depends upon the system clock frequency as a basis for its timing. The application shown here uses a 400KHz system clock which will generate a 100KHz timer/counter clock due to the internal divide by four operation. With a 16 bit counter the maximum count is 65536, this would generate an internal interrupt every 0.65536 seconds. However for a clock function a basic time unit of 1 second is required so for this reason the timer/counter is setup to record a basic timing of 0.5 seconds. In this case an interrupt will be generated every 0.5 seconds, so by counting two interrupts a means of obtaining the basic timing unit of 1 second is obtained. The application shown uses a 4 seven segment displays to display a clock in 24 hour format, displaying both hours and minutes. Two keys are provided to provide for adjustment of hour
This application shows the use of the 16 bits of the timer counter to generate internal interrupts and consequently generate a timing function. This application depends upon the system clock frequency as a basis for its timing. The application shown here uses a 400KHz system clock which will generate a 100KHz timer/counter clock due to the internal divide by four operation. With a 16 bit counter the maximum count is 65536, this would generate an internal interrupt every 0.65536 seconds. However for a clock function a basic time unit of 1 second is required so for this reason the timer/counter is setup to record a basic timing of 0.5 seconds. In this case an interrupt will be generated every 0.5 seconds, so by counting two interrupts a means of obtaining the basic timing unit of 1 second is obtained. The application shown uses a 4 seven segment displays to display a clock in 24 hour format, displaying both hours and minutes. Two keys are provided to provide for adjustment of hours and minutes.
-Clock
This application shows the use of the 16 bits of the timer counter to generate internal interrupts and consequently generate a timing function. This application depends upon the system clock frequency as a basis for its timing. The application shown here uses a 400KHz system clock which will generate a 100KHz timer/counter clock due to the internal divide by four operation. With a 16 bit counter the maximum count is 65536, this would generate an internal interrupt every 0.65536 seconds. However for a clock function a basic time unit of 1 second is required so for this reason the timer/counter is setup to record a basic timing of 0.5 seconds. In this case an interrupt will be generated every 0.5 seconds, so by counting two interrupts a means of obtaining the basic timing unit of 1 second is obtained. The application shown uses a 4 seven segment displays to display a clock in 24 hour format, displaying both hours and minutes. Two keys are provided to provide for adjustment of hour
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下载文件列表
clock\clock.c
.....\CLOCK.OPT
.....\CLOCK.PRJ
clock
.....\CLOCK.OPT
.....\CLOCK.PRJ
clock