CXD2463R 데이터 시트보기 (PDF) - Sony Semiconductor

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CXD2463R

Timing Controller for CCD Camera

Sony Semiconductor 

CXD2463R

2. Backlighting Correction Function

The CXD2463R has a function to output the window pulse for backlight compensation.

The backlight compensation pulse is output from BLC (Pin 15) in the following range according to the high/low

combination of BLCW1 (Pin 17) and BLCW2 (Pin 18).

Window Type for Different Pin Combinations

Window type

BLCW1 (Pin 17) BLCW2 (Pin 18)

Full-screen photometry

L

L

Bottom emphasis photometry

H

L

Center emphasis photometry

L

H

Bottom + center emphasis photometry

H

H

Example of Basic Circuit Configuration

+5V

Iris comparator

13

IRIN/ED1

Iris

window switch

3.9k

10k

39k

10µ

10k 100k

10k

27 IRIS

10µ

BLC 15

CXD2463R

AGC

window switch

10k 1k

19 OP+

13 DETOUT

100k

CXA1310AQ

Full-screen photometry

Bottom emphasis photometry

Center emphasis photometry

Bottom + center emphasis photometry

–8–

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