Filter
Top Products
CLOCK & POWER MANAGEMENT S3C2410A
7-16
Power Control of VDDi and VDDiarm
In Power_OFF mode, only VDDi and VDDiarm will be turned off, which is controlled by PWREN pin.
If PWREN signal is active(H), VDDi and VDDiarm are supplied by an external voltage regulator. If PWREN pin is
inactive (L), the VDDi and VDDiarm are turned off.
NOTE
Although VDDi, VDDiarm, VDDi_MPLL and VDDi_UPLL may be turned off, the other power pins have to be
supplied.
S3C2410A
Power CTRL
(Alive Block)
RTC Alarm
EINT
External Interrupt
3.3V Power
PWREN
VDDi
VDDiarm
VDDi_MPLL
VDDi_UPLL
Core & Peripherals
RTC
I/O
1.8V / 2.0V Regulator
1.8V / 2.0V EN
1.8V / 2.0V
Power
VDDalive
1.8V
Power
Figure 7-12. Power_OFF Mode