GRM805-20
GRM805-20 is 6x9 dot matrix display 12-channel touch button programmable chip manufactured by GREENMCU.
GRM805_20 规格书
版本：V00 日期：2012/01/15
.greenmcu.
目录
目
录
1、芯片概述 ............................................................................................................................................ 1
2、芯片特征 ............................................................................................................................................ 1
3、电气参数 ............................................................................................................................................ 1
4、原理及构成 ........................................................................................................................................ 2
4.1 原理：..........................................................................................................................................2 4.2 构成：..........................................................................................................................................2
5、管脚及说明 ........................................................................................................................................ 2
5.1 管脚图..........................................................................................................................................2 5.2 管脚说明 ....................................................................................................................................... 3
6、应用设计 ............................................................................................................................................ 4
6.1 参考电路......................................................................................................................................4 6.1 抗干扰处理................................................................................................................................10 6.2 按键选用顺序............................................................................................................................10 6.3 灵敏度选择..................................
