CH7025 Overview
The CH7025/CH7026 is a device targeting handheld and similar consumer systems which accept digital input signal. CH7025/CH7026 encodes and transmits data through 10-bit DACs. The device is able to encode the video signals and generate synchronization signals SDTV format for NTSC and PAL standards and HDTV format for 480p,576p,720p and 1080i.
CH7025 Key Features
- Support multiple output formats. Such as SDTV format (NTSC and PAL), HDTV format for 480p,576p,720p and 1080i, analog RG
- Three on-chip 10-bit high speed DACs providing flexible output capabilities. Such as single, double or triple CVBS outpu
- Internal embedded 16Mbits SDRAM is used as frame buffer. Supporting for frame rate conversion. 90/180/270 degree image r
- Bypass mode is supported
- Flexible up and down scaling engine is embedded
- Pixel by pixel brightness, contrast, hue and saturation adjustment for each kind of output are supported. For RGB output
- Pixel by pixel horizontal position adjustment and line by line vertical position adjustment are supported
- Fully programmable through serial port. IO and SPC/SPD voltage supported is from 1.2V to 3.3V
- TV/Monitor connection detect capability
- Programmable power management. DAC can be switched off based on detection result (Driver support is required)