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HT16565 PDF预览

HT16565

更新时间: 2024-11-19 03:42:55
品牌 Logo 应用领域
台湾合泰/盛群 - HOLTEK 时钟
页数 文件大小 规格书
9页 136K
描述
24 Hour System VFD Digital Clock

HT16565 数据手册

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HT16565  
24 Hour System VFD Digital Clock  
Features  
·
·
VFD display 24 hour clock function  
4.194304MHz crystal oscillation  
Zero adjust function  
Integrated voltage regulator permits wide 4V to 16V  
operating voltage range  
·
·
·
·
Four level contrast control function  
44-pin QFP package  
General Description  
The HT16565 provides direct drive to VFD panels to im-  
plement a 24 hour clock function. In addition to obtaining  
its time base from a 4.194304MHz crystal oscillation  
source and in having a wide operating voltage, the de-  
vice also contains a host of other features. These in-  
clude a choice of adjustment modes, including single  
push increment or 2Hz fast forward functions. Additional  
features are provided in the form of Zero adjustment and  
four levels of contrast control.  
Block Diagram  
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Rev. 1.00  
1
February 7, 2007  

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