LR38580 データシートの表示（PDF） - Sharp Electronics
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LR38580
Sharp Electronics
LR38580 Datasheet PDF : 9 Pages
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LR38580
PIN NO. SYMBOL I/O POLARITY
PIN NAME
26 OSCO OSC3M – Clock output
27 TST5
ICD – Test pin 5
28 TVMD
TV mode selection
ICU –
input
29 ACLX
30 VDD
31 GND
32 HD
33 VD
34 EEMD
35 EEUD
36 EENR
ICU – All clear input
–
– Power supply
–
– Ground
Horizontal drive
O
pulse output
Vertical drive pulse
O
output
Electronic exposure
ICU – and WIND pulse
control input 2
Electronic exposure
IC
–
control input 2
Electronic exposure
IC
–
control input 3
DESCRIPTION
An output pin for reference clock oscillation.
The output is the inverse of OSCI (pin 25).
A test pin. Set open or to L level in the normal mode.
An input pin to select TV standards.
L level
: EIA mode
H level or open : CCIR mode
An input pin for resetting all internal circuits at power on.
Connect VDD through the diode and GND through the
capacitor.
Supply of +5 V power.
A grounding pin.
The pulse occurs at the start of every line.
The pulse occurs at the start of every field.
An input pin to control electronic exposure mode, flicker-
less mode and WIND (pin 3) pulse output, used with
FLMD (pin 13).
An input pin to control electronic exposure.
EEUD EENR
Shutter Speed
H
L
up
H
H
control stopped
L
H
down
37 SMAX
Shutter speed
ICU –
control input 1
An input pin to control maximum and initial shutter
speed with STSL (pin 40).
SMAX STSL Maximum speed Initial Speed
H
H
∏ 1/ 32 000
∏ 1/ 1 000
L
H
∏ 1/ 56 000
∏ 1/ 1 000
H
L
∏ 1/101 000 ∏ 1/ 1 000
L
L
∏ 1/101 000 ∏ 1/101 000
38 FS
39 FCDS
40 STSL
O4MA2
CDS pulse output 1 A pulse to sample-hold the signal from CCD.
O4MA2
CDS pulse output 2 A pulse to clamp the feed-through level from CCD.
An input pin to control maximum and initial shutter
speed with SMAX (pin 37).
Shutter speed
ICU –
control input 2
SMAX STSL Maximum Speed
H
H
∏ 1/ 32 000
L
H
∏ 1/ 56 000
Initial Speed
∏ 1/ 1 000
∏ 1/ 1 000
H
L
∏ 1/101 000 ∏ 1/ 1 000
L
L
∏ 1/101 000 ∏ 1/101 000
5
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