CXD1254AR Просмотр технического описания (PDF) - Sony Semiconductor

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CXD1254AR

CCD Camera Synchronization and Timing Signal Generator

Sony Semiconductor 

2-1-1. [Parallel input] (PS = H) — For high speed shutter only

Table of Shutter Settings

D1 ENB ED0 ED1 ED2

X

L

X

X

X

L

H

H

H

H

H

H

H

H

H

L

H

L

H

H

H

H

L

H

H

X

H

H

L

H

X

H

L

L

H

X

H

H

H

L

X

H

L

H

L

X

H

H

L

L

X

H

L

L

L

Shutter speed

Shutter OFF

1/60 (s)

1/50 (s)

1/100 (s)

1/120 (s)

1/250 (s)

1/500 (s)

1/1000 (s)

1/2000 (s)

1/4000 (s)

1/10000 (s)

CXD1254AR/AQ

2-1-2. [Serial input] (PS = L)

The combination of serial data SMD1 and SMD2 can be used to select one of four modes.

Shutter Mode

Mode

Flickerless

High-speed shutter

Low-speed shutter

SMD1

Low

Low

High

SMD2

Low

High

Low

No shutter

High

High

• Flickerless

• High-speed shutter

• Low-speed shutter

• No shutter

Mode for eliminating flicker caused by oscillation frequency of fluorescent lights.

Shutter speed faster than 1/60 sec. (NTSC/EIA) or 1/50 sec. (CCIR).

Shutter speed slower than 1/60 sec. (NTSC/EIA) or 1/50 sec. (CCIR).

Shutter operation inactive.

ED1 (CLK)

ED2 (OATA)

D0 D1 D2 D3 D4 D5 D6 D7 D8 SMD1 SMD2 Dummy

EDO (STB)

ED2 data is latched in the register on the rising edge of ED1 and the register contents are transferred during

the low period of ED0.

—9—

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