P-QFP048-0707 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
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P-QFP048-0707
Sharp Electronics
P-QFP048-0707 Datasheet PDF : 9 Pages
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LR38585
PIN NO. SYMBOL IO SYMBOL POLARITY
PIN NAME
DESCRIPTION
12 VD
O
Vertical drive pulse
The pulse occurs at the start of every field.
output
An input pin for line-lock pulse.
The priority is lower than VD2I (pin 14).
13 LLIN
ICSU
The inner mono-multivibrator is operated by the falling-
– Line-lock pulse input
edge of LLIN. The width of mono-multivibrator output is
determined by R and C which are connected with RCIO
(pin 32).
14 VD2I
ICSU
External VD pulse
–
input
An input pin for external VD pulse.
The priority is higher than LLIN (pin 13).
15 VRI
ICSU
An input pin for resetting internal vertical counter.
– Vertical reset input
The input pulse is VSYNC (negative polarity).
16 V1
O4MA2
Vertical transfer
pulse output 1
A pulse to drive vertical CCD shift register.
Connect to ØV1 pin of the CCD.
17 V2
O4MA2
Vertical transfer
pulse output 2
A pulse to drive vertical CCD shift register.
Connect to ØV2 pin of the CCD.
18 V3
O4MA2
Vertical transfer
pulse output 3
A pulse to drive vertical CCD shift register.
Connect to ØV3 pin of the CCD.
19 V4
O4MA2
Vertical transfer
pulse output 4
A pulse to drive vertical CCD shift register.
Connect to ØV4 pin of the CCD.
20 TST3
ICD – Test pin 3
A test pin. Set open or to L level in normal mode.
21 GND
–
– Ground
A grounding pin.
22 VTG
O12MHV
Readout pulse
output
A pulse that transfers the charge of the photo-diode to
the vertical shift register.
Connect to the VTG pin of the CCD.
23 VDD12
–
– Power supply
Supply of +12.5 V power.
A pulse that sweeps the charge of the photo-diode for
24 OFD O12MHV
OFD pulse output electronic shutter. Connect to OFD of the CCD.
Held at L level in normal mode.
An input pin for reference clock oscillation.
Connect to OSCO (pin 26) with R.
The frequencies are as follows :
25 OSCI
OSCI – Clock input
TVMD
Frequency
L
19.0699 MHz (1 212 fH)
H
19.3125 MHz (1 236 fH)
fH = Horizontal frequency
26 OSCO OSC3M – Clock output
An output pin for reference clock oscillation.
The output is the inverse of OSCI (pin 25).
27 TST4
ICD – Test pin 4
A test pin. Set open or to L level in normal mode.
4
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