Renesas R5S72621 用户手册
Section 27 Video Display Controller 3
Page 1586 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
Bit Bit
Name
Initial
Value R/W Description
Value R/W Description
6
SUB_SCALE_V 0
R/W
Specifies further scaling of video by multiplying
the SCALE_V scaling rate by 6/7.
the SCALE_V scaling rate by 6/7.
0:
1
1:
6/7
5, 4
SCALE_V[1:0]
00
R/W
These bits specify the vertical scaling rate. Be
sure to set to 00 in the video recording mode.
sure to set to 00 in the video recording mode.
00:
1/2
01:
1/3
10:
1/4
11: Setting prohibited
3
0
R
Reserved
This bit is always read as 0. The write value
should always be 0.
should always be 0.
2
SUB_SCALE_H 0
R/W
Specifies further scaling of video by multiplying
the SCALE_H scaling rate by 6/7.
the SCALE_H scaling rate by 6/7.
0:
1
1:
6/7
1, 0
SCALE_H[1:0]
00
R/W
These bits specify the horizontal scaling rate.
00:
1/2
01:
1/3
10:
2/3
11:
1/4
Note: The width of a valid image after horizontal scaling is always an even value.