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Renesas SH7781 User Manual

Page 955

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19. Display Unit (DU)

Rev.1.00 Jan. 10, 2008 Page 925 of 1658

REJ09B0261-0100

Bit Bit

Name

Initial
Value R/W

Internal
Update Description

26 to 24 CLAMPA 0

R/W

None

CLAMP Output Timing Adjustment

000: Adjustment of output timing is not

performed.
The CLAMP signal is output at the rising
edge of the dot clock, with the reference
timing.

001: The CLAMP signal is output at the rising

edge, delayed one dot clock cycle relative
to the reference timing.

010: The CLAMP signal is output at the rising

edge, delayed two dot clock cycles relative
to the reference timing.

011: The CLAMP signal is output at the rising

edge, delayed three dot clock cycles
relative to the reference timing.

100: The CLAMP signal is output at the falling

edge, preceding the reference timing by 1/2
dot clock cycle.

101: The CLAMP signal is output at the falling

edge, delayed 1/2 dot clock cycle relative to
the reference timing.

110: The CLAMP signal is output at the falling

edge, delayed (1+1/2) dot clock cycles
relative to the reference timing.

111: The CLAMP signal is output at the falling

edge, delayed (2+1/2) dot clock cycles
relative to the reference timing.

23

⎯ 0 R

⎯ Reserved

This bit is always read as 0. The write value
should always be 0.