ADV7174/ADV7179
目录
规格................................................. .................................... 4
2.8 V规格............................................... ....................... 4
2.8 V时序规范.............................................. .......... 5
3.3 V规格............................................... ....................... 6
3.3 V时序规范.............................................. .......... 7
绝对最大额定值............................................... ............. 9
ESD注意事项................................................ .................................. 9
引脚配置和功能描述........................... 10
概述................................................ ....................... 11
数据路径说明............................................... ................. 11
内部滤波器响应............................................... .............. 11
典型性能特征........................................... 13
功能................................................. ........................................... 16
彩条代............................................... ................. 16
方形像素模式............................................... ....................... 16
彩色信号控制............................................... ................... 16
突发信号控制............................................... .................... 16
NTSC立柱控制............................................... .............. 16
像素时序说明............................................... ........... 16
8位的YCrCb模式............................................. .................... 16
副载波复位................................................ .......................... 16
实时控制.............................................. ....................... 16
视频时序说明............................................... ..... 16
垂直消隐数据插入.......................................... 17
模式0 ( CCIR - 656 ) :从选项....................................... 17
模式0 ( CCIR - 656 ) :主选................................... 17
模式1 :从选项HSYNC ,空白,场................ 20
模式1 :主选HSYNC ,空白,场............ 21
模式2 :从选项HSYNC , VSYNC ,空白.............. 22
模式2 :主选HSYNC , VSYNC ,空白.......... 23
模式3 :主/从选项HSYNC ,空白,场.. 24
上电复位.............................................. ............................ 25
SCH相位模式............................................... ......................... 25
MPU端口说明............................................... ................ 25
寄存器访问................................................ ........................ 26
注册程序................................................ ................... 27
子地址寄存器( SR7 - SR0 ) ........................................... .... 27
寄存器选择( SR5 - SR0 ) ........................................... .............. 27
模式寄存器1 ( MR1 ) ............................................ ................. 29
模式寄存器2 ( MR2 ) ............................................ ................. 30
模式寄存器3 ( MR3 ) ............................................ ................. 31
模式寄存器4 ( MR4 ) ............................................ ................. 32
时序模式寄存器0 ( TR0 ) ........................................... ..... 33
时序模式寄存器1 ( TR1 ) ........................................... ..... 34
副载波频率寄存器3-0 ........................................ 35
副载波相位寄存器............................................... ........... 35
隐藏式字幕偶数场数据寄存器1-0 ................ 35
隐藏式字幕奇数场数据寄存器1-0 ................. 36
底座NTSC / PAL图文控制寄存器3-0 ............. 36
图文电视请求控制寄存器( TC07 ) .............................. 37
CGMS_WSS寄存器0 (C / W0 ) .......................................... ..... 37
CGMS_WSS寄存器1 (C / W1 ) .......................................... ..... 38
CGMS_WSS寄存器2 (C / W2 ) .......................................... ..... 38
附录1电路板设计和布局考虑.......... 39
地平面................................................ ............................ 39
电源层................................................ ............................... 39
电源去耦................................................ ..................... 40
数字信号互连............................................... ........ 40
模拟信号互连............................................... ........ 40
附录2 ,隐藏式字幕............................................. .... 41
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