at91sam9260-cj ATMEL Corporation, at91sam9260-cj Datasheet - Page 683

• Manufacturer Part Number: at91sam9260-cj
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

Figure 39-5. Resize Examples
39.3.4.2
6221G–ATARM–31-Jan-08
Color Space Conversion
1024
1024
This module converts YCrCb or YUV pixels to RGB color space. Clipping is performed to ensure
that the samples value do not exceed the allowable range. The conversion matrix is defined
below and is fully programmable:
Example of programmable value to convert YCrCb to RGB:
An example of programmable value to convert from YUV to RGB:
1280
1280
⎧
⎪
⎨
⎪
⎩
R
G
B
=
=
=
1,164
1,164
1,164
⋅
⋅
⋅
(
(
(
56/16 decimation
Y 16
Y 16
G
Y 16
R
B
32/16 decimation
⎧
⎪
⎨
⎪
⎩
–
–
–
R
G
B
=
=
=
=
)
)
) 0,813
C
C
C
Y
Y
+
+
–
Y 0,394 U
0
0
0
1,596
2,107
+
+
–
–
1,596 V
2,032 U
C
0
C
4
2
–
⋅
⋅
⋅
C
C
0
(
(
(
⋅
⋅
⋅
1
C
C
C
3
r
b
r
–
–
×
–
–
128
128
128
0,436 V
C
C
Y Y
b
r
)
)
)
–
–
–
–
C
C
⋅
0,392
off
352
640
boff
roff
⋅
(
C
AT91SAM9260
b
–
128
288
480
)
683