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AK8855 Datasheet, PDF (13/81 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Decoder
[ASAHI KASEI]
AK8855
6) Power-On-Reset
At power-on, reset must be enabled for a duration time till the Analog Reference Voltage & Current are
stabilized.
Power-on operation must be made with either simultaneous power-on of PVDD / AVDD / DVDD or PVDD first
and then AVDD / DVDD
AV D D
DVDD
2.7V
PVDD
1.6V
RSTN
VIL
pRES_PON
Parameter
Symbol
Min. Typ.
RESETN pulse width
pRES_PON
10
note ) clock input is required for reset operation.
Power-On Sequence when crystal resonator is connected.
AVDD
DVDD
PVDD
Max
Unit
msec
RSTN
Parameter
XTI
VCOM,VRN,VRP
time till the stable oscillation of
quartz crystal resonator, (Not specified)
design target value 5 ms ( max ).
pRES_PON =>10mS(min)
Power Up
MS0319-E-03
13
2004 / 11