Misc Register - Samsung S5PC110 Manual

S5PC110_UM

4.10.5 MISC REGISTER

4.10.5.1 MISC Register (OTHERS, R/W, Address = 0xE010_E000)
OTHERS
RELEASE_RET_GPIO
RELEASE_RET_CF_IO
Bit
[31] RELEASE_RET_GPIO is retention control signal to
normal I/O pad. If you want to disable
RELEASE_RET_GPIO, set to 1. After
RELEASE_RET_GPIO becomes OFF, this bit will be
cleared to 0.
Usage1: Wakeup from IDLE, DEEP-IDLE, STOP, or
DEEP-STOP with top-level logic ON
-> No need to set this register field.
Usage2: Wakeup from DEEP-IDLE, STOP, or DEEP-
STOP with top-level logic OFF.
-> Set HIGH on this register field to that
corresponding PAD starts to work.
Usage3: Wakeup from SLEEP.
-> First restore GPIO configuration options to those
values before entering SLEEP mode. And then set
HIGH on this register field to that corresponding PAD
starts to work.
0 = Auto clear
1 = RELEASE_RET_GPIO
For more information on list of PADs belonging to
normal I/O pad, refer to Section 4.2 PIN SUMMARY of
GPIO manual.
[30] RELEASE_RET_CF_IO_IO is retention control signal
to CF I/O pad. If you want to disable
RELEASE_RET_CF_IO_IO, set to 1. After
RELEASE_RET_CF_IO_IO becomes OFF, this bit will
be cleared to 0.
Usage1: Wakeup from IDLE, DEEP-IDLE, STOP, or
DEEP-STOP with top-level logic ON
-> No need to set this register field.
Usage2: Wakeup from DEEP-IDLE, STOP, or DEEP-
STOP with top-level logic OFF.
-> Set HIGH on this register field to that
corresponding PAD starts to work.
Usage3: Wakeup from SLEEP.
-> First restore GPIO configuration options to those
values before entering SLEEP mode. And then set
HIGH on this register field to that corresponding PAD
starts to work.
0 = Auto clear
1 = RELEASE_RET_CF_IO_IO
Description
4 POWER MANAGEMENT
Initial State
0
0
4-53