19. Display Unit (DU)
Rev.1.00 Jan. 10, 2008 Page 852 of 1658
REJ09B0261-0100
Bit Bit
Name
Initial
Value
R/W
Internal
Update Description
13, 12
⎯
All
0
R
⎯
Reserved
These bits are always read as 0. The write value
should always be 0.
11
VBK
0
R
None
Vertical Blanking Flag
0: Indicates the interval to the next display end
after clearing to 0 the VBK bit using either the
DRES bit in DSYSR or the VBCL bit in
DSRCR.
1: Indicates the interval, after clearing the VBK
bit using either the DRES bit in DSYSR or the
VBCL bit in DSRCR, from the first vertical
blanking interval until the VBK bit is again
cleared to 0. (field units)
10
⎯
0
R
⎯
Reserved
This bit is always read as 0. The write value
should always be 0.
9
RINT
0
R
None
Raster Interrupt Flag
0: Indicates the interval from the start of the next
display until raster scans set in the raster
interrupt offset register have elapsed, after
clearing to 0 the RINT bit using either the
DRES bit in DSYSR or the RICL bit in
DSRCR.
1: After clearing the RINT bit using either the
DRES bit in DSYSR or the RICL bit in
DSRCR, indicates the interval from the start
of the next display after raster scans set in the
raster interrupt offset register have elapsed
until the bit is again cleared to 0.
8
HBK
0
R
None
Horizontal Blanking Flag
0: Indicates the interval, after clearing to 0 the
HBK bit using the DRES bit in DSYSR or the
HBCL bit in DSRCR, to the next horizontal
blanking.
1: Indicates the interval, after clearing the HBK
bit using either the DRES bit in DSYSR or the
HBCL bit in DSRCR, from the first horizontal
blanking interval until the HBK bit is again
cleared to 0.
7 to 0
⎯
All
0
R
⎯
Reserved
These bits are always read as 0. The write value
should always be 0.
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 ...
Page 1691: ......
Page 1692: ...SH7785 Hardware Manual ...