Renesas SH7781 User Manual

Page 860

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19. Display Unit (DU)

Rev.1.00 Jan. 10, 2008 Page 830 of 1658
REJ09B0261-0100

Table 19.3 Status of Registers in Each Processing Mode

Register Name

Abbr.

Power-On
Reset by
PRESET
Pin/ WDT/
H-UDI

Manual
Reset by
WDT

Sleep by
Sleep
Instruction

Module
Standby

Deep
Sleep

Bits with
Internal Update
Function

Display control registers

Display system
control register

DSYSR H'00000280

Retained Retained Retained Retained

DSEC
DEN

Display mode
register

DSMR

H'00000000

Retained Retained Retained Retained

All

bits

except the
following bits
which are
updated by the
DRES bit in the
display system
control register
(DSYSR):
VSPM
ODPM
DIPM
CSPM
DIL
VSL
HSL

Display status
register

DSSR

H'30000000

Retained Retained Retained Retained

None

Display status
register clear
register

DSRCR Undefined Retained Retained Retained Retained

None

Display interrupt
enable register

DIER

H'00000000

Retained Retained Retained Retained

None

Color palette
control register

CPCR

H'00000000

Retained Retained Retained Retained

All

bits

Display plane
priority order
register

DPPR

H'00543210

Retained Retained Retained Retained

All

bits

Display extension
function enable
register

DEFR

H'00000000

Retained Retained Retained Retained

None

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