AR0542 Datasheet, PDF (70/81 Pages) ON Semiconductor – 5 Mp CMOS Digital Image Sensor

AR0542: 1/4-Inch CMOS Digital Image Sensor
Electrical Characteristics
Table 31:
Two-Wire Serial Interface Timing Specification
Symbol
f_SCLK
t_HIGH
t_LOW
t_SRTS
t_SRTH
t_SDS
t_SDH
t_SDV
t_ACV
t_STPS
t_BUF
t_R
t_F
Note:
Parameter
MIN
MAX
Unit
SCLK frequency
SCLK high period
SCLK low period
Start setup time
Start hold time
Data setup time
Data hold time
Data valid time
Data valid acknowledge time
Stop setup time
Bus free time between STOP and START
SCLK and SDATA rise time
SCLK and SDATA fall tim
0
400
KHz
0.6
s
1.3
s
0.6
s
0.6
s
100
ns
0
See note.
s
0.9
s
0.9
s
0.6
s
1.3
s
300
ns
300
ns
Maximum t_SDH could be 0.9s, but must be less than maximum of t_SDV and t_ACV by a transition
time.
Figure 46: Parallel Data Output Timing Diagram
t_EXTCLK
t_R t_F
EXTCLK
t_CP
PIXCLK
Data[9:0]
FRAME_VALID/
LINE_VALID
t_PD
XXX
t_PD
XXX ^Pxl_0
Pxl_1
t_PFH
t_PLH
XXX ^Pxl_2 XXX XXX ^Pxl_n
XXX
t_PFL
t_PLL
Note: FRAME_VALID assertion leads
LINE_VALID assertion by 6 PIXCLK periods.
Note: FRAME_VALID negation trails
LINE_VALID negation by 6 PIXCLKs.
Note: PLL disabled for ^tCP.
AR0542_DS Rev. H Pub. 5/15 EN
70
©Semiconductor Components Industries, LLC, 2015.