4

LZ9FD34

PIN NO. SYMBOL

I/O

POLARITY

PIN NAME

DESCRIPTION

23

FCDS

O4MA2

CDS pulse output 1

A pulse to clamp the feed-through level from CCD.

24

FS

O4MA2

CDS pulse output 2

A pulse to sample-hold the signal from CCD.

25

ICD

–

Test pin 6

A test pin. Set open or to L level in the normal mode.

26

CCD

ICU

–

CCD selection input

An input pin to select sensor type.

H level or open

: 410 k, 470 k pixel CCD

L level

: 270 k, 320 k pixel CCD

28

O

Vertical transfer

pulse output 1

A vertical transfer pulse for CCD.

29

O

Vertical transfer

pulse output 2

A vertical transfer pulse for CCD.

30

–

–

Power supply

Supply of +5 V power.

31

GND

–

–

Ground

A grounding pin.

32

O

Vertical transfer

pulse output 3

A vertical transfer pulse for CCD.

33

O

Vertical transfer

pulse output 4

A vertical transfer pulse for CCD.

34

O

Readout pulse

output

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

pin of vertical driver IC.

35

O

Readout pulse

output

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

pin of the vertical driver IC.

36

OFDX

O

OFD pulse output

A pulse that sweeps the charge of the photo-diode for

the electronic shutter. Connect to OFD pin of CCD

through the vertical driver IC and DC offset circuit.

Held at H level at normal mode.

37

ITCH

ICU

–

Accumulation mode

selection input

An input pin to select accumulation mode.

H level or open

: Field accumulation mode

L level

: Frame accumulation mode

An input pin to control electronic exposure using EEUD

(pin 21) and EENR (pin 22).

H level or open

: Electronic exposure is operated.

L level

: Electronic exposure is stopped.

Electronic exposure

control input 3

–

ICU

EEST

38

A test pin. Set open or to L level in the normal mode.

Test pin 7

–

ICD

27

21

EEUD

IC

–

Electronic exposure

control input 1

22

EENR

IC

–

Electronic exposure

control input 2

An input pin to control electronic exposure.

EEUD EENR

Shutter Speed

H

L

up

H

H

control stopped

L

H

down