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Analogix ignites MYDP vs. MHL battle

Posted: 08 Sep 2011 ?? ?Print Version ?Bookmark and Share

Keywords:MYDP? mobility interface? interconnect? MHL?

Bouwer also stressed DisplayPort support among mobile OS suppliers. Google, for example, have joined a DisplayPort consortium earlier this year. "Their plan is to support the smartPhone and tablet space with DisplayPort driver functionality as they were requested to do so by their apps processor partners."

But is there support for DisplayPort among handset OEMs vendors? So far, the Samsung and HTC handsets are the only devices designed with MHL. "With the introduction of SlimPort chipsets from Analogix (based on DisplayPort Technology) earlier this year, we have seen OEMS take significant interest in the elegance of the SlimPort solution," said Bouwer. "With DisplayPort deployment in the hardware by apps processor providers and software by the OS providers, it is natural for handset makers to adopt the DisplayPort solution on the mobile devices," he concluded.

In this report
??MYDP is 'a rogue' interface
??MHL and HDMI are not the same thing
??Do mobile apps processors support DisplayPort?
??What about MIPI-DSI for mobile devices

What about MIPI-DSI for mobile devices?
But things may not be that simple. IHS iSuppli's Lawson, arguing the case for MHL, stressed, "The embedded display interface technology of MIPI-DSI (digital serial interface) for mobile devices is not expected to change." He added, "So support for MYDP would make two separate high-speed serial display interface technologies required to be integrated in future apps processor chips, and even then would still require an active dongle between the DisplayPort output of such a device and the HDMI receiver input."

Indeed, Analogix's first SlimPort products, sampling now, have a MIPI input and DisplayPort output, Bouwer responded. "MIPI-DSI will continue to be the internal display interface for small and medium sized mobile phones." But he added, "The higher resolutions used in planned tablet designs (e.g. 1920x1200 or higher) require the higher bandwidth capability of DisplayPort. Application processor makers will add eDP [embedded DisplayPort] in order to compete for tablet designs. DisplayPort and MIPI will coexist for large and small screens respectively."

- Junko Yoshida
??EE Times


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