DM5885数据手册Davicom中文资料规格书

描述 Description

The DM5885 is a 4-channel video decoder which converts 4 channels of 6.5 MHz analog CVBS signals to 4 channels of digital 27 MHz CCIR656 signals, and includes 1 HD or 2 sets of SD mixer.

特性 Features

·Master I2S/DSP playback, record and audio-mixing\r
·Supports extended I2S/DSP format transmitting up to 16 audio channels using one data pin\r
·16-bit or 8-bit 48/24/16/8 KHz PCM format\r
·Two SD mixers and one HD mixer. Each mixer supports up to 4 channels\r
·Two SD CCIR656 outputs (27MHz) or one HD SMPTE 274M output (74.25MHz)\r
·One TDM4 (108MHz) output\r
·One optional TDM4 input as mixer video sources.\r
·Various mixing combinations. Special H partition supported\r
·Video mirror supported\r
·Support both interlaced and progressive mixer output\r
·16-bit SDRAM interface\r
·Use a single external 27MHz crystal to support 720H video\r
·Two programmable PLLs integrated\r
·128-pin LQFP package (14mmx14mm)\r
·1.8V core power, 3.3V analog power and 1.8V analog power