AK8813 Datasheet, PDF (13/51 Pages) Asahi Kasei Microsystems – NTSC/PAL Digital Video Encoder

ASAHIKASEI
(4). Reset (Initialize)
Reset Timing
[AK8813/14]
/RESET
SYSCLK
HSYNC,VSYNC,SDA
12
pRES
9 10
Hi-Z
Indefinite state
Parameter
Symbol
Min
Typ.
Max
Units
/RESET Pulse Width
pRES
10
SYSCLK
After power up, I/O pins of AK8813/14 are in the indefinite state. It should be initialize with Reset
sequence. While reset sequence system clock should be input to AK8813/14 and SCL, SDA should be
High state.
(5) Power Down Sequence
/RESET
PD
SYSCLK
pPD
12
VSS
VDD
99 100 101
Parameter
Symbol
Min
Typ.
Max
Units
/RESET Pulse Width
pSTOP
100
SYSCLK
During “Power Down” state, control signal should be set to VDD state or VSS state.
Rev.00
- 14 -
2004/Oct