LG 42PW340 Service Manual page 37

LG8300 Power Sequence
Digital/Analog I/O
Power 3.3V
Core Power 1.0V
t
ON_IODD
R
DDR2 I/O Power 1.8V
CLK_XIN(from 25MHz)
PORST_N
Power sequence(Recommendation)
Description
tON_IOC Core power on time after I/O power on
tON_CDDR DDR power on time after core power on
tON_IODDR DDR power on time after I/O power on
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Only for training and service purposes
t
ON_IO
C
t
ON_CDD
R
Min. Typ.
200us -
1 us -
201us -
Core Power 1.0V
Digital/Analog I/O
Power 3.3V
DDR2 I/O Power 1.8V
CLK_XIN(from 25MHz)
PORST_N
Max. Description
- tON_IOC I/O power on time after Core power on
- tON_CDDR DDR power on time after I/O power on
- tON_IODDR DDR power on time after Core power on
t
ON_IO
C
t
ON_CDD
R
t
ON_IODD
R
Power sequence(Possibility)
Min.
200us
1 us
201us
LGE Internal Use Only
Typ. Max.
- -
- -
- -