BU6520KV Datasheet, PDF (9/19 Pages) Rohm – Video Encoders built-in Image Correction

BU6520KV,BU6521KV
●Electrical characteristics(AC characteristics)
1. Data Input Interface Timing
Technical Note
CAMVSI
CAMHSI
CAMDI0
－CAMDI7
CAMCKI
(CKPOL=“0”)
CAMCKI
(CKPOL=“1”)
t_CMS
t_CMH
Fig.5 Data Input Interface Timing
Symbol
Description
t_CAMCKI
d_CAMCKI
CAMCKI Clock Cycle
CAMCKI Clock Duty
t_CMS
CAMCKI Rise / Fall Camera Setup Time
t_CMH
CAMCKI Rise / Fall Camera Hold Time
BU6520KV
BU6521KV
* CKPOL selects the CAMCKI polarity. (CKPOL is register at BU6520KV/BU6521KV)
2. Data Output Interface Timing
MIN TYP MAX Unit
27.8
-
-
ns
45
50
55
%
8
-
-
ns
6
-
-
ns
5
-
-
ns
tPCLK
CAMCKO
(CKPOL="1")
tPHH
CAMVSO
tPHL
CAMHSO
tPDV
CAMDO0
－CAMDO7
Fig.6 Data Output Interface Timing
Symbol
Description
MIN TYP MAX Unit
t_PCLK
d_PCLK
CAMCKO Clock Cycle
CAMCKO Clock Duty
27.8
-
-
ns
40
50
60
%
t_PDV
Decision of CAMDO from CAMCKO
-
-
7
ns
t_PHL, t_PHH Decision of CAMVSO or CAMHSO from CAMCKO
-
-
7
ns
* This figure shows CKPOL setting is ” 1 ” In case of CKPOL= ” 0 ”, CAMVSO, CAMHSO and CAMDO0-CAMCO7 change based on CAMCKO fall edge.
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9/18
2010.02 - Rev.C