SH7785 Datasheet, PDF (512/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

12. DDR2-SDRAM Interface (DBSC2)
12.4.1 DBSC2 Status Register (DBSTATE)
The DBSC2 status register (DBSTATE) is a read-only register. Writing is invalid. It is initialized
only upon power-on reset.
BIt: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R R R R R R R R R R R R R R R R
BIt: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ENDN ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯
Initial value: 0
0
0
0
0
0
0 x* 0
0
0
0
0
0
0
0
R/W: R R R R R R R R R R R R R R R R
Note: * Initial value is specified by external pin MODE8.
Initial
Bit
Bit Name Value R/W Description
31 to 9 ⎯
All 0
R
Reserved
These bits are always read as 0.
8
ENDN
×*
R
Endian Display Bit
Displays the endian of the DBSC2 set by external pin
MODE8.
0: Big endian
1: Little endian
7 to 0 ⎯
All 0
R
Reserved
These bits are always read as 0.
Note: * Initial value is specified by external pin MODE8.
Rev.1.00 Jan. 10, 2008 Page 482 of 1658
REJ09B0261-0100