文档介绍：--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------25DSP-------------------------------------------------------------ROM----------------------------------------------------------SDRAM------------------------------------------------------FLASH-------------------------------------------------------POWER-----------------------------------------------------闪光电路&拍照电路---------------------------------------VIDEO&AUDIO--------------------------------------------CCD镜头传感电路&A/D电路----------------------镜头变焦驱动电路-----------------------------------------HALLSENSOR--------------------------------------------------------------------40DSP-------------------------------------------------------------ROM----------------------------------------------------------SDRAM------------------------------------------------------FLASH-------------------------------------------------------POWER-----------------------------------------------------闪光电路&拍照电路---------------------------------------VIDEO&AUDIO--------------------------------------------CCD镜头传感电路&A/D电路----------------------镜头变焦驱动电路-----------------------------------------HALLSERSON----------------------------------------------------------------------------------------------------------------------------------------------------------------:镜头保护玻璃﹒,并多数与光圈合用镜头保护玻璃快门/D保护玻璃镜头组件低通滤光器数字相机的曝光宽容度由面阵光电转换器件的暗电流噪声和饱和电荷量所决定,