Renesas SH7781 - Manual (Page 617)

13. PCI Controller (PCIC)
Rev.1.00 Jan. 10, 2008 Page 587 of 1658
REJ09B0261-0100
Bit Bit Name
Initial
Value R/W
Description
1, 0 PS 00 SH: R/W
PCI: R/W
Power State
These bits specify the power state.
If an unsupported state is specified, a state transition
is not made. However, the register is written normally
and no error is indicated.
00: D0 state
01: D1 state
10: D2 state
11: D3 hot state