參數(shù)資料
型號(hào)： SAA6703AH
廠商： NXP SEMICONDUCTORS
元件分類： 顯示控制器
英文描述： CRT OR FLAT PNL GRPH DSPL CTLR, PQFP160
封裝： 28 X 28 MM, 3.40 MM HEIGHT, PLASTIC, MS-022, SOT-322-2, QFP-160
文件頁數(shù)： 49/97頁
文件大?。?/td> 488K
代理商： SAA6703AH
2004 Apr 01
53
Philips Semiconductors
Product specication
XGA analog input at panel controller
SAA6703AH
7.10.3.2
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 33).
Table 33 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
aa_cycles[1:0]
measurement interval
00: 1 frame
01: 4 frames
10: 8 frames
11: 16 frames
ref_col_0[10:0]
search area upper left corner column
ref_row_0[11:0]
search area upper left corner row
ref_col_1[10:0]
search area lower right corner column
ref_row_1[11:0]
search area lower right corner row
Output values
eval_col_0[15:0]
pixel position 0 column (according to submode)
eval_row_0[15:0]
pixel position 0 row (according to submode)
eval_col_1[15:0]
pixel position 1 column (according to submode)
eval_row_1[15:0]
pixel position 1 row (according to submode)
ref_pixel_red_0[7:0]
red channel colour value at evaluated position 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
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