Three low-power video ICs designed to integrate with SoC processors in mobile Internet devices, netbook systems, tablet computers, portable book readers and smart phones have been launched by Chrontel. The company's mixed-signal CH7033, CH7034 and CH7035 ICs transmit a variety of digital video formats for external displays, digital televisions and embedded display panels. The CH7033 IC is a video encoder that drives high-definition video displays using HDMI, DVI (digital video interface), YPbPr and VGA (video graphics array). The HDMI and DVI output pins on this IC can be multiplexed with VGA and YPbPr outputs through a software-controlled switch. The CH7034 is designed for mobile systems that require low-voltage differential signaling encoding for embedded displays that are attached to a portable device through a hinge. It also offers simultaneous external analogue RGB or component YPrPb outputs for HDTV and VGA displays. The CH7033 and CH7035 include the Sony or Philips digital interconnect format. Additionally, all the ICs have a scaling engine that supports HDTV resolutions up to 1080p and have a frame rate conversion that support 60fps refresh rates. They accept graphical data input through a programmable 24, 18, 16, 15, 12 and 8bit interface that supports RGB and YCbCr video formats.
