19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 863 of 1658
REJ09B0261-0100
Bit Bit
Name
Initial
Value R/W
Internal
Update Description
4
ABRE
0
R/W
None
Alpha Blend Ratio Enable
0: The 31 to 24 bits in the color palette registers
1 to 4 and the PnBRSL bits in the plane n
blend ratio registers (PnALPHAR) are
disabled.
The alpha blend ratio is set only by the
PnALPHA bits PnALPHAR.
1: The 31 to 24 bits in the color palette registers
1 to 4 and the PnBRSL bits in PnALPHAR are
enabled.
•
The following can be selected as the alpha
blend ratio. Selection is performed using the
PnBRSL bits in PnALPHAR.
•
PnALPHA bits in PnALPHAR
⎯
The 31 to 24 bits in the color palette
registers 1 to 4
⎯
Alpha plane data (display data)
For the alpha blend ratio, refer to section 19.4.9,
Superpositioning of Planes.
3 to 1
⎯
All
0
R
⎯
Reserved
These bits are always read as undefined. The
write value should always be 0.
0
DSAE
0
R/W
None
Display Area Start Address Enable
0: The 28 to 4 bits in the plane n display area
start address 0 and 1 registers (PnDSA0R
and PnDSA1R) are enabled.
The 31 to 29 bits are B'000.
1: The 31 to 4 bits PnDSA0R and PnDSA1R are
enabled.
Summary of Contents for SH7781
Page 4: ...Rev 1 00 Jan 10 2008 Page iv of xxx REJ09B0261 0100 ...
Page 74: ...2 Programming Model Rev 1 00 Jan 10 2008 Page 44 of 1658 REJ09B0261 0100 ...
Page 272: ...8 Caches Rev 1 00 Jan 10 2008 Page 242 of 1658 REJ09B0261 0100 ...
Page 376: ...10 Interrupt Controller INTC Rev 1 00 Jan 10 2008 Page 346 of 1658 REJ09B0261 0100 ...
Page 694: ...13 PCI Controller PCIC Rev 1 00 Jan 10 2008 Page 664 of 1658 REJ09B0261 0100 ...
Page 762: ...14 Direct Memory Access Controller DMAC Rev 1 00 Jan 10 2008 Page 732 of 1658 REJ09B0261 0100 ...
Page 788: ...15 Clock Pulse Generator CPG Rev 1 00 Jan 10 2008 Page 758 of 1658 REJ09B0261 0100 ...
Page 828: ...17 Power Down Mode Rev 1 00 Jan 10 2008 Page 798 of 1658 REJ09B0261 0100 ...
Page 846: ...18 Timer Unit TMU Rev 1 00 Jan 10 2008 Page 816 of 1658 REJ09B0261 0100 ...
Page 1292: ...24 Multimedia Card Interface MMCIF Rev 1 00 Jan 10 2008 Page 1262 of 1658 REJ09B0261 0100 ...
Page 1326: ...25 Audio Codec Interface HAC Rev 1 00 Jan 10 2008 Page 1296 of 1658 REJ09B0261 0100 ...
Page 1482: ...28 General Purpose I O Ports GPIO Rev 1 00 Jan 10 2008 Page 1452 of 1658 REJ09B0261 0100 ...
Page 1538: ...30 User Debugging Interface H UDI Rev 1 00 Jan 10 2008 Page 1508 of 1658 REJ09B0261 0100 ...
Page 1688: ...Appendix Rev 1 00 Jan 10 2008 Page 1658 of 1658 REJ09B0261 0100 ...
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Page 1692: ...SH7785 Hardware Manual ...