What is difference OSD performance between ADV7627 and ADV7623 ?
Does ADV7627 have dis-advantage comparing with 7623 ?
Considering replacement from 7623 to 7627
Yes it is recommended to use the latest ADV7625 compared with ADV7623 and you will get better support.
All of the limitation listed in ADV7625 will be applicable for ADV7623 also. ADV7625 Blimp OSD is a user friendly tool; OSD components can be simple drag and drop on the designed form. Maximum 6 components are supported as of now. But In ADV7623, Component can be created manually and maximum 3 are supported
In ADV7625, Code window is used to change the page / menu / text dynamically, but in ADV7623, designer part is only available and code window is not available. State machine needs to be configured to modify the menu / text dynamically
ADV7623 build an OSD based on state machine configuration. It specifies that for each state which Fboxes, Tboxes and Iboxes should be displayed to control how the OSD transitions between menu items when user key presses are received
Index of Fbox/Tbox/Ibox must be order of video line from top to bottom, then left to right. Using the tool, for each state, only visible Fbox/Tbox/Ibox is assigned to an index. Please refer ADV7623 character based OSD tool user guide here for more details ADV7623 Design Support Files
So it is recommended to use ADV7625 Blimp tool for designing OSD. Please refer more details here for ADV7625 OSD at Blimp OSD Designer tool for NatureVue™ ADV800x and Advantiv® ADV7625
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