參數(shù)資料
型號: SAA6713H
廠商: NXP Semiconductors N.V.
英文描述: XGA dual input flat panel controller
中文描述: 雙輸入的XGA液晶控制器
文件頁數(shù): 58/103頁
文件大小: 521K
代理商: SAA6713H
2004 Apr 05
58
Philips Semiconductors
Product specification
XGA dual input flat panel controller
SAA6713H
7.11.3.2
Brightest and lowest pixel search
The brightest and lowest pixel search determines the position of the brightest pixels and the lowest pixels in a predefined
area. Therefore, the area is scanned from the upper left to the lower right corner. The pixel value and the position values
are readable. Four submodes are available to search independently for RGB minimum and maximum values
(see Table 35).
Table 35
Mode 01 (minimum and maximum search)
BIT
DESCRIPTION
Input values
aa_submode[1:0]
submode
00: maximum of red and green
01: maximum of blue
10: minimum of red and green
11: minimum of blue
measurement interval
00: 1 frame
01: 4 frames
10: 8 frames
11: 16 frames
search area upper left corner column
search area upper left corner row
search area lower right corner column
search area lower right corner row
aa_cycles[1:0]
ref_col_0[10:0]
ref_row_0[11:0]
ref_col_1[10:0]
ref_row_1[11:0]
Output values
eval_col_0[15:0]
eval_row_0[15:0]
eval_col_1[15:0]
eval_row_1[15:0]
ref_pixel_red_0[7:0]
ref_pixel_green_0[7:0] green channel colour value at evaluated position 0
ref_pixel_blue_0[7:0]
blue channel colour value at evaluated position 0
ref_pixel_red_1[7:0]
red channel colour value at evaluated position 1
ref_pixel_green_1[7:0] green channel colour value at evaluated position 1
ref_pixel_blue_1[7:0]
blue channel colour value at evaluated position 1
pixel position 0 column (according to submode)
pixel position 0 row (according to submode)
pixel position 1 column (according to submode)
pixel position 1 row (according to submode)
red channel colour value at evaluated position 0
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