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.
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 cascading
Display 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 channels