Programmable video scaler IC for video monitor application - Page 1
Forum section: electronics / projects

author: Yansi
author_rank: Super Contributor
timestamp: January 20, 2020, 12:13:26 am
content: Hello,do you have any tips what ICs to use for scaling of a digital video signal? Imagine the classic video monitor application, where you need to scale any of the incoming formats you throw at it (resolution, framerate, etc) to the native resolution, frame rate, etc the LCD-TFT panel needs?I have recently done a mini teardown of some video format converter kit and found out there is a "2880" marked ASIC, which I have later identified asChipAV CV2880-EX. It is a pretty capable lil video scaler engine with a very friendly and easy to implement package. Unfortunately - or as a classic would say: of course, no documentation for it available, apart from a databrief I have used to impress myself with the chip's capabilities.Thinking about this and the vast amount of LCD-TFT computer screens and TVs for at least the last decade, there sure have to be loads of these fully integrated scaler engines available. Googling for those however, turned dud. Or maybe I just don't have the correct buzzword.Hence asking, if you have ever come across any of these scalers, that would have the full documentation available and wouldn't cost an arm and leg. I would likely have an application or two one of these would come handy.Where to look for these ICs? What google buzzwords to use?/* Using an FPGA + >=DDR2 memory is a nice idea to explore, however its price tag more than likely 10x the above, with the design complexity of about 100x the above - my mana is too low to accomplish that anyway. *///EDIT: Just found a pretty impressive small cheap one with a seemingly full docs,Realtek RTD2545L, however that one has just TMDS in and LVDS out. I would prefer something with parallel output data. It also seems a "display controller" is a good buzzword.

author: nctnico
author_rank: Super Contributor
timestamp: January 20, 2020, 12:30:59 am
content: Try to find a sales rep for these kind of devices. Try to contact this one to ask if they can get theirs hands on a device you need:https://www.semiconn.comThere are some small semiconductor sales reps across Europe which specialise in getting parts directly from Asian semiconductor manufacturers.

author: Yansi
author_rank: Super Contributor
timestamp: February 15, 2022, 02:01:12 pm
content: Sorry for digging up this old thread, but just for giggles and being desperate for solutions, I have wrote an email to the Semiconn you have suggested.And lo and behold, someone has even responded to my question and it took him just 6 minutes to give me a suggestion, including a device overview in a PDF. Even though, the device suggested is not really what I wanted, I am stunned from a response like this.I have expected a standard corporate response (coming a month later, questioning me about my componany, and how many rail cars of the IC I will buy a year).

author: Terry Bites
author_rank: Super Contributor
timestamp: February 15, 2022, 02:17:30 pm
content: Most of the multistandard monitors /switchers/ scalers use an FPGA to detect and rescale- good luck

author: Terry Bites
author_rank: Super Contributor
timestamp: February 15, 2022, 02:18:43 pm
content: Most of the multistandard monitors /switchers/ scalers use an FPGA to detect and rescale- good luck