LZ9FD34 Ver la hoja de datos (PDF) - Sharp Electronics

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componentes Descripción

Fabricante

LZ9FD34

Single-chip Driver IC for 270 k/320 k/410 k/470 k-pixel B/W CCDs

Sharp Electronics 

LZ9FD34

PIN NO. SYMBOL

21 EEUD

22 EENR

I/O POLARITY

PIN NAME

DESCRIPTION

Electronic exposure An input pin to control electronic exposure.

IC

–

control input 1

EEUD EENR

Shutter Speed

H

L

up

Electronic exposure

IC

–

control input 2

H

H

L

H

control stopped

down

23 FCDS

24 FS

25 TST6

26 CCD

27 TST7

28 V1X

29 V2X

30 VDD

31 GND

32 V3X

33 V4X

34 VH1X

35 VH3X

36 OFDX

37 ITCH

38 EEST

O4MA2

CDS pulse output 1 A pulse to clamp the feed-through level from CCD.

O4MA2

CDS pulse output 2 A pulse to sample-hold the signal from CCD.

ICD – Test pin 6

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

An input pin to select sensor type.

ICU – CCD selection input H level or open : 410 k, 470 k pixel CCD

L level

: 270 k, 320 k pixel CCD

ICD – Test pin 7

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

Vertical transfer

A vertical transfer pulse for CCD.

O

pulse output 1

Connect to V1AX pin of vertical driver IC.

Vertical transfer

A vertical transfer pulse for CCD.

O

pulse output 2

Connect to V2AX pin of vertical driver IC.

–

– Power supply

Supply of +5 V power.

–

– Ground

A grounding pin.

Vertical transfer

A vertical transfer pulse for CCD.

O

pulse output 3

Connect to V3AX pin of vertical driver IC.

Vertical transfer

A vertical transfer pulse for CCD.

O

pulse output 4

Connect to V4AX pin of vertical driver IC.

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

Readout pulse

O

the vertical shift register. Connect to VH1AX pin or VH1BX

output

pin of vertical driver IC.

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

Readout pulse

O

the vertical shift register. Connect to VH3AX pin or VH3BX

output

pin of the vertical driver IC.

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

the electronic shutter. Connect to OFD pin of CCD

O

OFD pulse output

through the vertical driver IC and DC offset circuit.

Held at H level at normal mode.

An input pin to select accumulation mode.

Accumulation mode

ICU –

H level or open : Field accumulation mode

selection input

L level

: Frame accumulation mode

An input pin to control electronic exposure using EEUD

Electronic exposure (pin 21) and EENR (pin 22).

ICU –

control input 3

H level or open : Electronic exposure is operated.

L level

: Electronic exposure is stopped.

4

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