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Single-chip implementation of VGA to HDMI pass-through scheme
The low-cost scheme of converting analog VGA and analog color difference signal plus analog audio signal to HDMI signal on a single chip has extremely high performance specifications and extremely low cost, representing the best level of VGA/color difference to HDMI pass-through scheme on the current market
The main control chip of the scheme integrates 10bit video ADC up to 165M, high-quality analog audio ADC, SPDIF/I2S digital audio signal input, automatic mode detection, automatic position and blank area detection, automatic offset and phase adjustment, brightness/contrast/saturation adjustment, and 24bit color depth. ADC and HDMI TMDS core fully support 1080P@60 Processing (165M running speed is supported in the whole process, compared with 1080P@60 The speed is 148.5M). Finally, HDMI 1.3 and DVI formats are supported for output, and additional functions such as CEC and HDCP are also supported
Main chip size is 7mm * 7mm, 60PIN_ QFN package, 3.3/1.8V power supply, current requirement of about 200MA, application scheme supports power from USB or HDMI terminal (optional), the scheme requires an external 8051 single-chip microcomputer to control various parameters, and no longer requires memory and other components, The whole scheme is a main chip plus a small single chip (compared with the same VGA - HDMI pass-through scheme on the market at present, it has smaller heat generation, lower power consumption and cost, and higher software flexibility. You can compare and evaluate it by yourself)
We have customized various segmentation schemes for customers in various industries. At the same time, we have prepared SDK development kits, typical application schematic diagrams, PCB files and other reference design materials for customers with self-development capabilities. We also provide free technical support for various customers, free samples, free transfer of the system scheme, and welcome interested friends to call and write to request
