參數(shù)資料
型號: STV9937P
廠商: 意法半導(dǎo)體
英文描述: 120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays
中文描述: 120 - MHz的屏幕的顯示器,其中包括PictureBooSTTM和4個真正的獨立的窗口顯示顯示
文件頁數(shù): 15/49頁
文件大?。?/td> 441K
代理商: STV9937P
15/49
STV9937
Window Specifications
3.3
Window Positions in the Frame
All values are referenced to the origin coordinates (HD, VD). For more information, refer to
Figure 6 on page 13
.
3.3.1
Window Horizontal Delay
The window horizontal delay defines the horizontal start position for each separate OSD window.
This value is selected by bits HDW1[6:0], HDW2[6:0], HDW3[6:0] and HDW4[6:0], respectively.
The range of the window horizontal delay is from 0 to 1524 pixels, in steps of 12 pixels each.
Window Horizontal Delay = HDWi[6:0] x 12 pixels
The total horizontal delay of a window is:
General Horizontal Delay + HDWi[6:0] x 12 pixels; or,
HD[6:0] x 6 pixels + HDWi[6:0] x 12 pixels + (50 pixels).
The default values for the window horizontal delay for each of the four OSD windows is given in
Table 8
.
3.3.2
Window Vertical Delay
The window vertical delay defines the vertical start position for each separate OSD window. This
value is selected by bits VDW1[5:0], VDW2[5:0], VDW3[5:0] and VDW4[5:0], respectively.
The range of the window vertical delay is from 0 to 63 rows of characters, in steps of 1 character row
each. It is important to note that the height of each character row is defined by the row height
parameter. For more information, refer to
Section 4.4: Space Lines on page 21
.
Window Vertical Delay = VDWi[5:0] x Row_Height
The total vertical delay of a window is:
General Vertical Delay + VDWi[5:0] x Row_Height (in scan lines); or,
(VD[7:0] x 4 + 2) + VDWi[5:0] x Row_Height (in scan lines).
The default values for the window vertical delay for each of the four OSD windows is given in
Table 9
.
Table 8: Window Horizontal Delay
FWR
FAC
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
80h
0Ch, 11h,
16h, 1Bh
0h, 20h,
0h, 10h
HDWi[6:0]
Table 9: Window Vertical Delay
FWR
FAC
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
80h
0Dh, 12h,
17h, 1Ch
0h, 0h,
Ch, Ch
VDWi[5:0]
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