米6体育平台手机版

DLPU115 January 2022 DLPC3421

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3.1.1.2 Write Parameters

Figure 3-1 describes the command parameters.

Figure 3-1 Write Parameters

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

b(7:1)	Reserved
b(0)	Single Buffer Mode: 0: Disable 1: Enable

Normally the DLPC342x controller operates using a double buffered architecture. This command enables the controller to operate using a single buffer in order to reduce latency. A single buffer may introduce video artifacts and it is up to the user to determine if this mode is acceptable for their operation. Note: video artifacts are not the traditional full-frame tearing since the DLPC342x display uses a time sequential display approach.

To change (enable or disable) the single buffer mode, this command must be followed by the Write Input Source Select command. Single buffer mode is only active if enabled and when using external video input or test patterns. If a splash screen is loaded while single buffer bode is enabled, the controller returns to using a double buffer. When the input source returns to a test pattern or external video, the controller returns to using a single buffer (assuming the user did not disable it).

Single buffer mode must not be enabled when using 3D video. Image freeze is not supported when Single Buffer Mode is enabled.