LR38581 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
LR38581
Sharp Electronics
'LR38581' PDF : 8 Pages View PDF
LR38581
PIN NO. SYMBOL I/O POLARITY
PIN NAME
19 V4
O4MA52
Vertical transfer
pulse output 4
20 NC
–
– No connection
21 GND
–
– Ground
22 VTG
O12MHV
Readout pulse
output
23 VDD12
–
– Power supply
24 OFD
O12MHV
OFD pulse output
25 CKI
OSCI3 – Clock input
26 CKO
27 GND
OSCO3 – Clock output
–
– Ground
28 SGCK O4MA32
SSG clock output
29 CDCK O4MA32
DSP clock output
30 VDD3
31 GND
–
– Power supply
–
– Ground
32 ADCK O4MA32
AD clock output
DESCRIPTION
A pulse to drive vertical CCD shift register.
Connect to ØV4 pin of CCD.
No connection
A grounding pin.
A pulse that transfers the charge of the photo-diode to
the vertical shift register.
Connect to VTG pin of CCD.
Supply of +12.5 V power.
A pulse that sweeps the charge of the photo-diode
for electronic shutter. Connect to OFD pin of CCD.
Held at L level at normal mode.
An input pin for reference clock oscillation.
Connect to CKO (pin 26) with R.
The frequencies are as follows :
TVMD
Frequency
L
28.63636 MHz (1820 fH)
H
28.37500 MHz (1816 fH)
fH = Horizontal frequency
An output pin for reference clock oscillation.
The output is the inverse of CKI (pin 25).
A grounding pin.
An output pin to generate HP and VD pulses.
The frequencies are as follows :
TVMD
Frequency
L
14.31818 MHz (910 fH)
H
14.18750 MHz (908 fH)
An output pin for DSP IC.
The frequencies are as follows :
TVMD
Frequency
L
9.5035 MHz (1820/3 fH)
H
9.4375 MHz (1816/3 fH)
Supply of +3.3 V power.
A grounding pin.
An output pin for AD converter.
The frequencies are as follows :
TVMD
Frequency
L
9.5035 MHz (1820/3 fH)
H
9.4375 MHz (1816/3 fH)
The output phase of ADCK is selected by SAD1 (pin 35)
and SAD2 (pin 36).
4
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