LR38581

4

PIN NO. SYMBOL

I/O

POLARITY

PIN NAME

DESCRIPTION

A pulse to drive vertical CCD shift register.

Vertical transfer

pulse output 4

O4MA52

19

20

NC

–

No connection

No connection

–

–

A grounding pin.

Ground

–

GND

21

–

Supply of +12.5 V power.

Power supply

–

23

22

VTG

O12MHV

Readout pulse

output

A pulse that transfers the charge of the photo-diode to

the vertical shift register.

Connect to VTG pin of CCD.

24

OFD

O12MHV

OFD pulse output

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 :

fH = Horizontal frequency

Clock input

OSCI3

CKI

25

–

TVMD

L

H

28.37500 MHz (1816 fH)

28.63636 MHz (1820 fH)

Frequency

–

26

CKO

OSCO3

Clock output

An output pin for reference clock oscillation.

The output is the inverse of CKI (pin 25).

A grounding pin.

Ground

–

GND

27

–

28

SGCK

O4MA32

SSG clock output

An output pin to generate HP and VD pulses.

The frequencies are as follows :

An output pin for DSP IC.

The frequencies are as follows :

DSP clock output

O4MA32

CDCK

29

TVMD

L

H

9.4375 MHz (1816/3 fH)

9.5035 MHz (1820/3 fH)

Frequency

–

30

–

Power supply

Supply of +3.3 V power.

A grounding pin.

Ground

–

GND

31

–

32

ADCK

O4MA32

AD clock output

An output pin for AD converter.

The frequencies are as follows :

TVMD

L

H

9.4375 MHz (1816/3 fH)

9.5035 MHz (1820/3 fH)

Frequency

TVMD

L

H

14.18750 MHz (908 fH)

14.31818 MHz (910 fH)

Frequency