LR38580

5

PIN NO. SYMBOL

I/O

POLARITY

PIN NAME

DESCRIPTION

29

ACLX

ICU

–

All clear input

An input pin for resetting all internal circuits at power on.

capacitor.

30

–

–

Power supply

Supply of +5 V power.

31

GND

–

–

Ground

A grounding pin.

32

HD

O

Horizontal drive

pulse output

The pulse occurs at the start of every line.

33

VD

O

Vertical drive pulse

output

The pulse occurs at the start of every field.

34

EEMD

ICU

–

Electronic exposure

and WIND pulse

control input 2

An input pin to control electronic exposure mode, flicker-

less mode and WIND (pin 3) pulse output, used with

FLMD (pin 13).

35

EEUD

IC

–

Electronic exposure

control input 2

An input pin to control electronic exposure.

36

EENR

IC

–

Electronic exposure

control input 3

37

SMAX

ICU

–

Shutter speed

control input 1

An input pin to control maximum and initial shutter

speed with STSL (pin 40).

38

FS

O4MA2

CDS pulse output 1

A pulse to sample-hold the signal from CCD.

39

FCDS

O4MA2

CDS pulse output 2

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

40

STSL

ICU

–

Shutter speed

control input 2

An input pin to control maximum and initial shutter

speed with SMAX (pin 37).

EEUD EENR

Shutter Speed

H

L

up

H

H

control stopped

L

H

down

SMAX STSL Maximum speed

Initial Speed

H

H

∏ 1/ 32 000

∏ 1/

1 000

L

H

∏ 1/ 56 000

∏ 1/

1 000

L

L

∏ 1/101 000

∏ 1/101 000

H

L

∏ 1/101 000

∏ 1/

1 000

SMAX STSL Maximum Speed

Initial Speed

H

H

∏ 1/ 32 000

∏ 1/

1 000

L

H

∏ 1/ 56 000

∏ 1/

1 000

L

L

∏ 1/101 000

∏ 1/101 000

H

L

∏ 1/101 000

∏ 1/

1 000

28

TVMD

ICU

–

TV mode selection

input

An input pin to select TV standards.

L level

: EIA mode

H level or open

: CCIR mode

27

ICD

–

Test pin 5

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

26

OSCO

OSC3M

–

Clock output

An output pin for reference clock oscillation.

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