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Genesis Microchip公司机密***
gm2115 / 25初步数据表
目录
1.概述............................................................................................................................................五
1.1 gm2115 / 25系统设计实例........................................... ................................................ 5
1.2 gm2115 / 25 Features..................................................................................................................... 6
2. gm2115 / 25引脚.............................................................................................................................. 7
3. gm2115 / 25引脚列表............................................................................................................................ 8
4.功能描述..................................................................................................................... 14
4.1时钟发生器....................................................................................................................... 14
4.1.1使用内部振荡器与外部晶体........................................ .................... 15
4.1.2使用外部时钟振荡器.......................................... .......................................... 17
4.1.3时钟Synthesis................................................................................................................... 18
4.2硬件复位.......................................................................................................................... 20
4.3模数转换器（ ADC ） .......................................... ................................................. 20
4.3.1 ADC引脚连接.......................................................................................................... 21
4.3.2 ADC特性........................................................................................................... 21
4.3.3时钟恢复电路...................................................................................................... 22
4.3.4采样相位调整............................................ .................................................. 23
4.3.5 ADC捕获Window........................................................................................................ 23
4.4测试模式发生器（ TPG ） ........................................... .................................................. ....... 24
4.5输入格式测量（ IFM ） ........................................... .................................................. 24
4.5.1 HSYNC / VSYNC Delay.................................................................................................... 24
4.5.2水平和垂直测量........................................... ..................................... 25
4.5.3格式变化检测............................................ .................................................. ..... 26
4.5.4看门狗............................................................................................................................ 26
4.5.5内部奇数/偶数场检测......................................... ............................................ 26
4.5.6输入像素测量............................................ .................................................. ...... 27
4.5.7图像相位测量............................................ .................................................. ... 27
4.5.8图像边界检测............................................ .................................................. ... 27
4.5.9图像自动Balance............................................................................................................ 27
4.6的RealColor数码色彩控制............................................. ................................................. 27
4.6.1的RealColor肤色调整........................................... ............................................ 28
4.6.2标准化颜色和sRGB支持.......................................... ................................ 28
4.7高品质缩放................................................................................................................. 28
4.7.1可变缩放缩放....................................................................................................... 28
4.7.2横向和纵向收缩........................................... ................................................ 29
4.7.3莫尔取消............................................................................................................. 29
4.8旁路选项.......................................................................................................................... 29
4.9伽玛查找表（LUT ） ........................................ .................................................. ....... 29
2002年6月
1
C2115-DAT-01B
QQ：2881677436 复制
