Z90255 ROM和OTP Z90251
32 KB电视控制器， OSD
v
图列表
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Z90255的电视机系统中的应用............................................ ............ 2
Z90255框图............................................... ................................. 3
Z90255和Z90251引脚分配............................................. ............ 5
代码开发环境............................................... ................ 10
寄存器文件映射............................................... ........................................ 12
程序存储器映射............................................... ................................ 14
停止模式恢复源/电平选择........................................... ..... 21
正，负同步信号............................................. ............. 23
第二彩色显示器............................................... ................................. 28
网论................................................ .................................................. .. 29
视频淡入淡出（例） ............................................. .................................. 34
性格像素图中的CGROM ............................................. ................... 37
多重角色图标的例子............................................ ............ 38
在2X字符大小平滑效果............................................ ........ 39
512个字符VRAM数据路径设置........................................... ......... 42
H
SYNC
和V
SYNC
规格................................................. .............. 52
双向端口引脚复用垫带I2C端口................................. 53
脉宽调制器时序图， 6位.......................................... 。 71
脉宽调制器时序图， 14位......................................... 72
从PWM信号产生的模拟信号.......................................... 79
ADC框图............................................... .................................... 82
时序外部输入的要求............................................. ....... 86
42引脚收缩双列直插封装（ SDIP ） ..................................... ....... 87
PS001301-0800
