DATASHEET FN8291 TW2828 Rev. 1.00 March 27, 2013 HD/SD DVR Video Port Expander TW2828 is a display and recording MUX chip with HD SPOT and Record Interface SPOT capability designed to work with popular H.264 Two SPOT port with Integrated DAC CODEC on the market today. TW2828 provides a clean 1/4/9/16 format for each SD (or 960H) and HD and cost effective MUX solution to the multi-channel PC channels HD DVR marketplace. On the embedded DVR market, using TW2828 in conjunction with a host SOC can Supports anti-rolling display deliver the most cost effective solution on the market. Similar recording functions like TW2880 Motion Detection Digital Input Ports 16 SD/WD1 (960H) mode size 16x12 Four byte interleaved BT.656 ports each supporting up to 4 SD (108 MHz) and 4 960H (144 MHz) signals 720p HD mode 40x36 for a total of 16 SD video input signals 1080i HD mode 60x27 Five frame interleaved BT.1120 ports, each 1080p HD mode 60x54 supporting up to 148.5 MHz for a total of 20 HD signals. One port (PB5) is shared with GPIO port DDR2 Interface Four frame interleaved BT.656 ports (shared with the Supports 16-bit DDR2 memories running up to lower half of the BT.1120 port), supporting up to 16 333MHz SD (or 960H) signals in frame/field interleaved Supports DRAM density from 512Mb to 1Gb format Host Interface Supports input resizing, cutting and cropping 2 8-bit parallel host interface or I C slave interface Supports channel cascading (shared pin) Display Controller 2 Four I C slave addresses on two separate pins for Supports popular sizes such as: 1920x1080i50, i60, cascaded operation 1920x1080p50 or p60,720p50 and p60 IRQs Max pixel clock: 148.5MHz Package Capable of displaying up to 36 SD Channels by using 18mmx18mm 409 LFBGA 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 FN8291 Rev. 1.00 Page 1 of 425 March 27, 2013 TW2828 Ordering Information PKG. PART PART PACKAGE DWG. NUMBER MARKING (Pb-free) TW2828-BA2-CR TW2828 BA2-CR 409 Ball LFBGA V409.18X18 (Note 1) NOTE: 1. These Intersil Pb-free WLCSP and BGA packaged products employ special Pb-free material sets molding compounds/die attach materials and SnAgCu - e1 solder ball terminals, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free WLCSP and BGA packaged products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. FN8291 Rev. 1.00 Page 2 of 425 March 27, 2013