Samsung S5PC110, Manual

Page: 365 / 2426

S5PC110_UM 4 POWER MANAGEMENT
4-5
Table 4-3 Power Mode Summary
Power
Mode
NORMAL IDLE DEEP-IDLE STOP DEEP-STOP SLEEP
Core
Run with
IEM1)
Standby Power gating Standby Power gating Power off
Cortex-
A8
L2
Cache
Run with IEM Power on
Retention/
Power gating
Power on
Retention/
Power gating
Power off
SUB2)
Power on/
Clock gating/
Power gating
KEEP power
state in
NORMAL
mode
KEEP power
state in
NORMAL
mode/
Power
gating5)
Clock gating/
Power gating
Power gating Power off
Audio
block3)
Power on/
Clock gating
KEEP power
state in
NORMAL
mode
KEEP power
state in
NORMAL
mode
Clock gating Power gating Power off Logic
TOP4)
Power on/
Clock gating
KEEP power
state in
NORMAL
mode
KEEP power
state in
NORMAL
mode/
Power
gating5)
Clock gating
Power on/
Power gating
Power off
ALIVE Power on
PLL
Selectively
Disabled
Selectively Disabled Disabled Power off
OSC
Selectively
Disabled
Selectively Disabled Selectively Disabled
Selectively
Disabled
I/O Power on Power on Power on
internal
power16) off/
alive
power17) on
OSC
enabled
< 1us7) < 1us
< 1us8) or
< 400us9)
< 350us10)
< 350us10)
or 400us11)
< 6.1ms12)
Typical
Wakeup
time6)
OSC
disabled
N.A N.A N.A < 1.35 ms13)
< 1.35ms13)
or 1.4ms14)
< 7.4 ms15)
IEM refers to Intelligent Energy Management introduced by ARM. IEM is explained in detail separately in IEM
related TRM.
SUB refers to power domain of Row 2, 3, 5, 6, 7, and 8 in
Table 4-2
.
Audio block refers to power domain of Row 4 in
Table 4-2
.
TOP refers to power domain of Row 10 in
Table 4-2
.