米6体育平台手机版

DLPU115 January 2022 DLPC3421

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3.1.20.2 Write Parameters

Figure 3-27 describes the command parameters.

Figure 3-27 Write Parameters

MSB	Byte 1						LSB
b7	b6	b5	b4	b3	b2	b1	b0

b(7:1)	Reserved
b(0)	Image freeze: 0: Image freeze disabled 1: Image freeze enabled

The image freeze capability has two main uses. The first use is to simply freeze the current image on the screen. The second use is to assist the user in reducing display artifacts during system changes. In this second case, the image is frozen, system changes are made, and the image is unfrozen when complete. In all cases, when the image is unfrozen, the display shows the most resent input image. Input data between the freeze point and the unfreeze point is lost.

The controller software does not freeze or unfreeze the image except when explicitly commanded by the Write Image Freeze command. The controller software may execute the Write Image Freeze when the software is making updates to the system on its own volition, and for any operation commanded via the I²C interface.

The user must review the notes for the Write Input Source Select command to understand the concept of source-associated commands. This concept determines when source-associated commands are executed by the system.

If the OEM chooses not to make use of image freeze, they must change the source before changing the image parameters, to minimize transition artifacts.