12. DDR2-SDRAM Interface (DBSC2)
Rev.1.00 Jan. 10, 2008 Page 481 of 1658
REJ09B0261-0100
Table 12.10 Register Status in each Processing Mode
Power-On Reset Manual Reset
Sleep/Deep Sleep
Register Name
Abbreviation
By
PRESET
pin/
WDT/H-UDI
By WDT/Multiple
Exception
By SLEEP
Instruction
DBSC2 status
register
DBSTATE H'0000
0x00
*
Retained
Retained
SDRAM operation
enable register
DBEN H'0000
0000
Retained
Retained
SDRAM command
control register
DBCMDCNT H'0000
0000 Retained
Retained
SDRAM
configuration
setting register
DBCONF H'009A
0001
Retained Retained
SDRAM timing
register 0
DBTR0 H'0203
0501
Retained
Retained
SDRAM timing
register 1
DBTR1 H'0001
0001
Retained
Retained
SDRAM timing
register 2
DBTR2 H'0104
0303
Retained
Retained
SDRAM refresh
control register 0
DBRFCNT0 H'0000
0000 Retained
Retained
SDRAM refresh
control register 1
DBRFCNT1 H'0000
0200 Retained
Retained
SDRAM refresh
control register 2
DBRFCNT2 H'1000
0080 Retained
Retained
SDRAM refresh
status register
DBRFSTS H'0000
0000
Retained Retained
DDRPAD
frequency setting
register
DBFREQ H'0000
0000
Retained Retained
DDRPAD DIC,
ODT, OCD setting
register
DBDICODTOCD H'0000
0007
Retained
Retained
SDRAM mode
setting register
DBMRCNT Undefined Retained
Retained
Note:
*
Initial value is specified by external pin MODE8.
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 ...