Renesas R5S72646 User Manual
Section 27 Video Display Controller 3
R01UH0134EJ0400 Rev. 4.00
Page 1615 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
27.7.32
Panel Clock Select Register (PANEL_CLKSEL)
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
R
R
R/W
R/W
R
R
R
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ICKSEL ICKEN
-
-
-
-
-
DCDR[5:0]
Bit:
Initial value:
R/W:
Bit:
Initial value:
R/W:
Bit Bit
Name
Initial
Value R/W Description
Value R/W Description
31 to 14
All
0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
should always be 0.
13
ICKSEL
0
R/W
Selects the source of the panel clock.
0: External clock is selected (LCD_EXTCLK).
1: Bus clock is selected (B
).
12
ICKEN
0
R/W
Enables or disables the operation of the blocks
using the panel clock in this module and output of
the panel clock.
using the panel clock in this module and output of
the panel clock.
0: Operation of the blocks using the panel clock is
disabled.
1: Operation of the blocks using the panel clock is
enabled.
Note: Be sure to clear this bit to 0 before modifying
the ICKSEL or DCDR bit.
11 to 6
All
0
R
Reserved
These bits are always read as 0. The write value
should always be 0.
should always be 0.
5 to 0
DCDR[5:0]
000001
R/W
Specifies the division ratio of the input clock
frequency. For details, see table 27.14.
frequency. For details, see table 27.14.
Note: The settings not shown in table 27.14 are
prohibited.
This module can select the bus clock or external clock as the source of the panel clock. It also has
a frequency divider providing a division ratio from 1/1 to 1/32.
a frequency divider providing a division ratio from 1/1 to 1/32.