Renesas SH7781 - Manual (Page 871)

19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 841 of 1658
REJ09B0261-0100
19.3.1 Display Unit System Control Register
The display unit system control register (DSYSR) sets the system operation for the display unit
(DU).
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/W R R R R/W R R R R R R R R R R R
O
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
IUPD — — — DSEC — — — — — — — — — — —
R R R R R/W R/W R/W R/W R/W R/W R R R R R R
O
0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0
— — — — SCM TVM DEN DRES — — — — — —
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 21
⎯ All
0 R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.
20 DSEC 0 R/W Yes Display Data Endian Conversion
For details of data swap, see section 19.4.7,
Endian Conversion.
0: Display data in memory is not byte-data/word-
data swapped
1: Display data in memory is byte-data/word-
data swapped
19 to 17
⎯ All
0 R
⎯ Reserved
These bits are always read as 0. The write value
should always be 0.