AK8815 Datasheet, PDF (28/37 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHI KASEI
[AK8815/16]
POWER UP SEQUENCE
Power-Up Sequence ( power supply turn-on sequence )
AVDD
DVDD
PVDD1
PVDD2
PDN
RSTN
SCL
Hi-Z ok
Low
XTI
VREF
POWER ON
raise RSTN high after crystal resonator oscillation is stabilized ~ 5 mS
raise RSTN high after VREF is stabilized >= 10 mS (min.)
Power-Down Release sequence
AVDD/DVDD
PVDD1/PVDD2
PDN
RSTN
SCL
Hi-Z ok
Low
XTI
VREF
raise RSTN high after crystal resonator oscillation is stabilized ~ 5 mS
raise RSTN high after VREF is stabilized >= 10 mS (min.)
PDN off
MS0331-E-00
28
2004 / 08