Motorola Symbol SE4400, Руководство по интеграции

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5-5
Application Notes
Figure 5-2. Mode 3 Startup Timing Diagram
VCC
Camer
a Reset
REGRES*
MCKI
I
2
C Prog.
EXSFT EXHT
Charge-pump star
tup
pulses
. P
e
riod=8 line times
.
T
otal pulses = 45.
12
4
5
P
ix
el Data
F
rame 0
T
ransf
er
Dumm
y
F
rame 1
T
ransf
er
F
rame 2
T
ransf
er
Exposure f
o
r
F
rame 1
Read Out F
rame 1
Exposure f
o
r
F
rame 2
Exposure f
o
r
F
rame 3
Read Out F
rame 2
Charge-pump star
tup time
~55ms
Image Capture Star
t
Charge pump pulses needed only when po
w
er is first applied or after e
xiting
standb
y mode (i.e
., P
o
w
er Modes A & B)
33.38ms
Initial
setting B
~ 2 MCKI per
iods
>490 EXHT
per
iods
t
r
2ms
.63*Vcc
(
max
)
Initial setting A
31ms
2ms
Gain settings f
o
r
F
rame 2
Gain settings f
o
r
F
rame 3
Gain settings f
o
r
F
rame 4
Mode 3:
Star
tup
Timing Dia
gram
*See
Exposure &
Ga
in C
o
ntrol
on p
age
5-1
6
.