AK8856 Datasheet, PDF (20/105 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Decoder

ASAHI KASEI
[ AK8856 ]
(6) Power-On-Reset
At power-on, reset must be enabled until the analog reference voltage and current are stabilized.
Power-on operation must be initiated with either simultaneous power-on of PVDD / AVDD / DVDD or
PVDD first and then AVDD / DVDD
AVDD
DVDD
PVDD
RSTN
VREF
1.65V
0.2PVDD
raise RSTN to high after VREF voltage is stabilized >= 10 mS (min.)
Parameter
RESETN pulse width
Symbol
Min
Typ
Max
Unit
pRES_PON
10
msec
Conditions
Note) clock input is required for reset operation
(7) I²C bus input / output timing
(DVDD = PVDD 1.65 V ~ 2.0V, Ta = -30 ~ +85°C(AK8856VG), -40 ~ +85°C(AK8856VN))
(7-1) Timing 1
SDA
SCL
tBUF ^tHD:STA
tR
tF
tR
tLOW
tF
tSU:STA
tSU:STO
0.8PVDD
0.2PVDD
0.8PVDD
0.2PVDD
Rev-01
20
2007/03