文件名称:lcd
- 所属分类：
- 单片机(51,AVR,MSP430等)
- 资源属性：
- [C/C++] [源码]
- 上传时间：
- 2013-05-14
- 文件大小：
- 763kb
- 下载次数：
- 0次
- 提 供 者：
- c**
- 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
用到段码液晶屏，一般是用专用驱动芯片如：HT1621等，考虑到，成本、功耗，决定用单片机直接驱动。液晶屏手册建议用1/3偏压，求简单用1/2偏压，实际搭了个实验板试了一下，效果还是不错的。实际可将分压电阻R2-29加大到1M，和用CPU的一个脚来驱动（可关断），进一步减小功耗，现贴出原理图、程序、照片，供有用者参考。
-Used Segment LCD, special driver chip, such as: HT1621, taking into account cost, power consumption, and decided to use the single-chip direct drive. LCD manual recommends 1/3 bias, 1/2 bias the sake of simplicity, the actual take a experimental board tried it, the effect is good. The actual dividing resistor R2-29 increased to 1M, and with a pin to drive the CPU (OFF), and further reduce power consumption, schematics, procedures, Photos were posted, useful for reference.
-Used Segment LCD, special driver chip, such as: HT1621, taking into account cost, power consumption, and decided to use the single-chip direct drive. LCD manual recommends 1/3 bias, 1/2 bias the sake of simplicity, the actual take a experimental board tried it, the effect is good. The actual dividing resistor R2-29 increased to 1M, and with a pin to drive the CPU (OFF), and further reduce power consumption, schematics, procedures, Photos were posted, useful for reference.
(系统自动生成,下载前可以参看下载内容)
下载文件列表
LCD_DRV.c
16F887A_LCD.pdf
GDC130.pdf
DSC06998.JPG
DSC07002.JPG
DSC07005.JPG
DSC07007.JPG
T1.xls