TW2828数据手册集成电路（IC）的视频处理规格书PDF

描述 Description

TW2828 is a display and recording MUX chip with HD SPOT capability designed to work with popular H.264 CODEC on the market today. TW2828 provides a clean and cost effective MUX solution to the multi-channel PC HD DVR marketplace. On the embedded DVR market, using TW2828 in conjunction with a host SOC can deliver the most cost effective solution on the market.

特性 Features

•Digital Input Ports
• Four byte interleaved BT.656 ports each supporting up to 4 SD (108 MHz) and 4 960H (144 MHz) signals for a total of 16 SD video input signals
• Five frame interleaved BT.1120 ports, each supporting up to 148.5 MHz for a total of 20 HD signals. One port (PB5) is shared with GPIO port
• Four frame interleaved BT.656 ports (shared with the lower half of the BT.1120 port), supporting up to 16 SD (or 960H) signals in frame/field interleaved format
• Supports input resizing, cutting and cropping
• Supports channel cascadingDisplay Controller
• Supports popular sizes such as: 1920x1080i50, i60, 1920x1080p50 or p60,720p50 and p60
• Max pixel clock: 148.5MHz
• Capable of displaying up to 36 SD Channels by using byte interleaved inputs and frame interleaved inputs
• Motion Box (MD) on all live channels
• Selectable Weave/2D de-interlacing method for video quality enhancement
• Up/down scaler for arbitrary windows size
• OSD display layer for title and channel ID
• Single Box Display for highlighting and Mouse/Cursor Overlay
• BT.1120 or digital RGB output interface
• Analog VGA output (shared with SPOT output)Digital Output Port
• One BT. 1120 port to the backend chip
• Digital RGB output (shared with BT.1120 port)
• SPOT digital output (BT.656) through record (shared) pins with all the channelsSPOT and Record Interface
• Two SPOT port with Integrated DAC
• 1/4/9/16 format for each SD (or 960H) and HD channels
• Supports anti-rolling display
• Similar recording functions like TW2880Motion Detection
• 16 SD/WD1 (960H) mode size 16x12
• 720p HD mode 40x36
• 1080i HD mode 60x27
• 1080p HD mode 60x54DDR2 Interface
• Supports 16-bit DDR2 memories running up to 333MHz
• Supports DRAM density from 512Mb to 1GbHost Interface
• 8-bit parallel host interface or I2C slave interface (shared pin)
• Four I2C slave addresses on two separate pins for cascaded operation
• IRQs