DM5865中文资料720H 4 channels NTSC/PAL Decoder数据手册Davicom规格书

描述 Description

The DM5865 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.

特性 Features

·Five audio ADCs and one audio DAC are integrated
·Master I2S/DSP playback, record and audio-mixing
·Supports extended I2S/DSP format transmitting up to 16 audio channels using one data pin
·Audio cascade up to 16 channels
·16-bit or 8-bit 48/24/16/8 KHz PCM format
·Use a single external 27MHz crystal to support 720H video
·Two programmable PLLs integrated
·Slave I2C bus
·Ultra low power consumption
·Under 500mW for normal operation
·Under 50mW for suspend mode
·128-pin LQFP package (14mmx14mm)
·1.8V core power, 3.3V analog power and 1.8V analog power
·Accepts NTSC (M,J), PAL (B, D, G, H, I, M, Nc)
·Hardware Fast Switch function
·Fast Switch also controllable by software or external pin
·Software channel ID in active region
·Four 10-bits video ADCs with built in 6.5 MHz analog low pass filter
·Automatic gain control for Luminance and Chrominance
·Programmable brightness, contrast, saturation, hue, and sharpness
·5-H comb filter for YC separation
·Chrominance line filter for PAL phase error
·DLL for video synchronization, supports 27MHz crystal within +/-1000 ppm variance
·Advanced video synchronization for weak and noisy CVBS
·Supports video signal transmitted by 500-meter long cable
·Up to 4 CCIR656 output interfaces
·Support line lock camera