L64105 LSI Logic Corporation, L64105 Datasheet - Page 304

• Manufacturer Part Number: L64105
• Description: Mpeg-2 Audio/video Decoder
• Manufacturer: LSI Logic Corporation

Figure 9.7
9.4 Video Background Modes
9-12
H = 1
H = 1
EAV
4
Horizontal Timing for 8-Bit Digital Transmission for NTSC
COLUMN = 1
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The vertical line count is used for positioning the display areas vertically
and it is initialized at the new field boundary. The vertical line count is
used to compare with the start and end rows of each display area and
increments with each horizontal sync. In some timing systems
(i.e., NTSC), the vertical line count does not initialize to a value of one.
For NTSC and PAL systems, the Vline Count Init value in Register 282
(page
The host can set the display background by writing to the Force Video
Background bits in Register 265
are shown in
Table 9.3
Video Interface
H = 1
Background Bits Description
268
276
Force Video
4-66) should be programmed to four and one, respectively.
0b00
0b01
0b10
0b11
Force Video Background Selections
Table
One horizontal line = 1716 device clocks
SAV
4
MAIN START = 244
No Background (default)
Video Black
Video Blue/User Programmable
Video on Blue
9.3.
H = 0
Active Line (Cb, Y, Cr, Y)
H = 0
(page
1440
4-59). The background selections
MAIN END = 1683
COLUMN = 1716
H = 1
EAV
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