Table 3-20 describes the write parameters
Table 3-20 Write Parameters
MSB |
Byte 1 |
LSB |
b7 |
b6 |
b5 |
b4 |
b3 |
b2 |
b1 |
b0 |
Bit |
Type |
Description |
7 |
R |
Reserved |
6 |
W |
Polarity of 3-D
Reference (External Only)
0h = Correct – No
Inversion Required.
1h = Incorrect –
Inversion Required.
|
5 |
W |
Frame
Dominance
0h = Left
Dominant. (Data sent left eye first)
|
4-2 |
R |
Reserved |
1 |
W |
Source of 3-D
Reference
0h = Internal
Reference Generator NOT supported
1h = External
(SLT_3DR Pin)
|
0 |
R |
Reserved |
Note: The system automatically enables 3-D operation when appropriate, basing this decision on the source frame rate, and whether 3-D sequences are available to the system (loaded in flash, for example). The
3-D parameters specified by this command takes effect following the next VSYNC.
Note: 3-D image data must always be sent frame sequential (that is, syncs and blanking to be sent between every eye frame), at frame rates greater than approximately 94 Hz (controller does not support frame
rate multiplication). Internal Reference Generator is not supported in Dual controller system.
Note: The 3-D Reference is used to specify whether a frame of data contains left eye data or right eye data. This 3-D reference can be provided to the display by an external hardware signal.
Table 3-21 shows which 3-D Reference source can be used with each image data port. When using the
external hardware signal as the reference, it must be provided for every frame of data. If the external 3-D Reference is misaligned with the data, it can be corrected using the Polarity of 3-D Reference (External Only) parameter. As noted,
the Polarity of 3-D Reference parameter is only applicable when the External Signal is selected as the 3-D Reference source.
Table 3-21 3D Control
Display Data Port |
3-D Reference Source |
Applicable |
Notes |
Parallel |
External Hardware Signal |
Yes |
Recommended |
Parallel |
Internal Reference Generator |
No |
|
Note: The Write 3-D Reference command should be use with this selection.
Note: For frame sequential 3-D, Frame Dominance determines which eye frames in the data stream go together to make up a single 3-D image. Left dominance indicates that the first eye frame of a pair is left,
the second eye frame is right. Right dominance indicates that the first eye frame of a pair is right, the second eye frame is left). This is important for proper operation of display histograms (which span both eye frames of a single
image), and when the image is frozen, as we want to be sure we display the correct two eye frames together. The frame dominance control must not be used to attempt correction for misalignment of the 3-D reference signal to the image
data.