Analog Devices AD9843A Bedienungsanleitung PDF herunterladen (Seite 9)

AD9843A

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REV. 0

CCD-MODE AND AUX-MODE TIMING

N–10 N–9N–8N–1N

N N+1 N+2 N+9 N+10

INH

NOTES:

1. RECOMMENDED PLACEMENT FOR DATACLK RISING EDGE IS BETWEEN THE SHD RISING EDGE AND NEXT SHP FALLING EDGE.

2. CCD SIGNAL IS SAMPLED AT SHP AND SHD RISING EDGES.

SHP

SHD

DATACLK

OUTPUT

DATA

CCD

SIGNAL

Figure 5. CCD-Mode Timing

CCD

SIGNAL

EFFECTIVE PIXELS

CLPOB

CLPDM

OPTICAL BLACK PIXELS

HORIZONTAL

BLANKING

DUMMY PIXELS EFFECTIVE PIXELS

PBLK

NOTES:

1. CLPOB AND CLPDM WILL OVERWRITE PBLK. PBLK WILL NOT AFFECT CLAMP OPERATION IF OVERLAPPING CLPDM AND/OR CLPOB.

2. PBLK SIGNAL IS OPTIONAL.

3. DIGITAL OUTPUT DATA WILL BE ALL ZEROS DURING PBLK. OUTPUT DATA LATENCY IS 9 DATACLK CYCLES.

OUTPUT

DATA

EFFECTIVE PIXEL DATA

OB PIXEL DATA DUMMY BLACK EFFECTIVE DATA

Figure 6. Typical CCD-Mode Line Clamp Timing

DATACLK

OUTPUT

DATA

VIDEO

SIGNAL

N+1

N+2

N+8

N+9

N–10 N–9N–8N–1N

Figure 7. AUX-Mode Timing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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