Renesas R5S72623 User Manual
Section 27 Video Display Controller 3
R01UH0134EJ0400 Rev. 4.00
Page 1585 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
27.7.9
Video Scaling and Correction Register (VIDEO_IMAGE_CNT)
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R/W
R/W
R
R/W
R/W
R/W
R
R/W
R/W
R/W
-
Contrast[7:0]
Bright[7:0]
-
-
-
-
-
CLIP_Y CLIP_C
-
SUB_
SCALE_V
SCALE_V[1:0]
-
SUB_
SCALE_H
SCALE_H[1:0]
Bit:
Initial value:
R/W:
Bit:
Initial value:
R/W:
Bit Bit
Name
Initial
Value R/W Description
Value R/W Description
31 to 24
Contrast[7:0]
H'80
R/W
These bits specify the contrast of luminance.
Contrast = this value / 128
Y0 = Luminance of captured video input
Y1 = Contrast
(Y0 – 16)
23 to 16
Bright[7:0]
H'80
R/W
These bits specify the brightness of luminance.
BRIGHT = this value – 128
Y2 = Y1 + BRIGHT
15 to 10
All
0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
should always be 0.
9
CLIP_Y
1
R/W
Enables luminance clipping.
0: Disabled
1: Enabled (235 or a greater value is clipped to
235, and 16 or a smaller value is clipped to
16.)
16.)
8
CLIP_C
1
R/W
Enables chrominance clipping.
0: Disabled
1: Enabled (240 or a greater value is clipped to
240, and 16 or a smaller value is clipped to
16.)
16.)
7
0
R
Reserved
This bit is always read as 0. The write value
should always be 0.
should always be 0.