| 串行实时时钟芯片X1203及其应用 |
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| 引用本文： | 李昔华,王益贤.串行实时时钟芯片X1203及其应用[J].重庆工商大学学报(自然科学版),2000(4). |
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| 作者姓名： | 李昔华 王益贤 |
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| 作者单位： | 渝州大学理工学院计算机中心(李昔华)，渝州大学科技开发总公司!重庆400033(王益贤) |
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| 摘 要： | 介绍了实时时钟芯片X1 2 0 3的结构、外围电路及其工作原理 ,阐述了以单片机和X1 2 0 3所构成的低成本定时控制器在广告牌系统、门禁系统中的应用。并举例说明对X1 2 0 3内部寄存器、I2 C总线串行数据通信的编程方法
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| 关 键 词： | 实时时钟 I2C总线 ‘Y2K’ 备用电源 门禁系统 |
The Serial Real Time Clock Chip X1203 and its Application |
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| LI Xi_hu,WANG Yi_xian.The Serial Real Time Clock Chip X1203 and its Application[J].Journal of Chongqing Technology and Business University:Natural Science Edition,2000(4). |
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| Authors: | LI Xi_hu WANG Yi_xian |
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| Institution: | LI Xi_hua 1,WANG Yi_xian 2 |
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| Abstract: | The structure,external circuit and working principle of real time clock chip X1203 are introduced.The applications of low_cost timing controller which consists of single chip computer and X1203,in billboard system and door_prohibiting system are illustrated.The programming methods of serial data for the X1203 internal register and I 2C bus are discussed by some instances. |
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| Keywords: | real time clock I 2C bus Y2k standby power supply door prohibits system |
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