GT21L16S1W-S 串行标准点阵汉字字库芯片用户手册
集通数码科技 - 3 - www.genitop.com
目录
1 概述 .................................................................................................................................4
2 特点 .................................................................................................................................5
3 引脚配置 ..........................................................................................................................7
4 引脚描述与接口连接 ........................................................................................................7
4.1 引脚描述 .......................................................................................................................................7
4.2 HOST CPU 主机 SPI 接口电路示意图...........................................................................................8
5 操作指令 ..........................................................................................................................9
5.1 指令参数 .......................................................................................................................................9
5.2 Read Data Bytes(一般读取) .....................................................................................................9
5.3 Read Data Bytes at Higher Speed(快速读取点阵数据)..........................................................10
6 电气特性 .........................................................................................................................11
6.1 绝对最大额定值 ..........................................................................................................................11
6.2 DC 特性 .......................................................................................................................................11
6.3 AC 特性........................................................................................................................................11
7 封装尺寸 ........................................................................................................................13
8 功能描述 ........................................................................................................................14
8.1 汉字点阵排列格式.......................................................................................................................14
8.1.1 15X16 点汉字排列格式-横置横排......................................................................................14
8.1.2 5X7 点 ASCII 字符排列格式 ..............................................................................................14
8.1.3 8X16 点 ASCII 扩展字符排列格式.....................................................................................15
8.1.4 Unicode 字符排列格式 ......................................................................................................15
8.1.5 16 点阵 ASCII 方头字符排列格式......................................................................................15
8.2 汉字点阵字库结构.......................................................................................................................17
8.3 汉字点阵在芯片中的地址计算方法 .............................................................................................18
8.3.1 15X16 汉字点阵地址的计算 ..............................................................................................18
8.3.2 5X7 ASCII 字符地址的计算 ..............................................................................................19
8.3.3 8X16 ASCII 扩展字符地址的计算.....................................................................................19
8.3.4 16 点阵 ASCII 方头字符在芯片中的字节地址的计算方法如下: .....................................19
8.3.5 8X16 自定义特殊字符地址的计算 ....................................................................................20
8.3.6 8X16 自定义希腊字符区地址的计算.................................................................................20
8.3.7 8X16 拉丁语、西里尔语 Unicode 字符在芯片中的字节地址的计算方法........................20
9 附录 ...............................................................................................................................21
9.1 GB2312 1区 (字符区)..............................................................................................................21
9.2 Unicode 字符区字符 ....................................................................................................................24
9.3 8×16 点扩展字符区 ASCII 字符(126 字符).............................................................................29
9.4 5×7 点 ASCII 字符(96 字符)...................................................................................................30
9.5 8×16 自定义特殊字符区 ASCII 字符(64 字符) ........................................................................31
9.6 8×16 自定义希腊字符区 ASCII 字符(16 字符) ........................................................................31
9.7 国家语言文系对照表 ...................................................................................................................32