9 horizontal display start register (hdsr) – Renesas SH7781 User Manual

Page 894

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19. Display Unit (DU)

Rev.1.00 Jan. 10, 2008 Page 864 of 1658
REJ09B0261-0100

19.3.9

Horizontal Display Start Register (HDSR)

The horizontal display start register (HDSR) sets the horizontal display start position. The value is
retained during power-on reset and manual reset.

R/W:

Internal update:

R/W:

Internal update:

16

17

18

19

20

21

22

23

24

25

26

27

28

29

31

30

Bit:

Initial value:

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

0

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R

R

R

R

R

R

R

O

O

O

O

O

O

O

O

O

0

0

0

0

0

0

0

HDS

0

1

2

3

4

5

6

7

8

9

10

11

12

13

15

14

Bit:

Initial value:

Bit Bit

Name

Initial
Value R/W

Internal
Update Description

31 to 9

⎯ All

0

R

⎯ Reserved

These bits are always read as 0. The write value
should always be 0.

8 to 0

HDS

Undefined R/W

Yes

Horizontal Display Start

The horizontal display start position should be
set in dot clock units.

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