Atmel CAMELIA 8M Manuel d'utilisateur télécharger pdf (Page 5)

CAMELIA 8M Digital Camera

1986B–IMAGE–03/03

Continuous The camera delivers frames continuously:

• Frame N+1 integration starts as soon as frame N readout is completed.

• Integration time is set by RS232.

• “Video Lines” (before and after valid frame) are 4+4 for Binning 1x1 (and also 1+1

for Binning 4x4).

Figure 3. Continuous Timing Diagram

Operation with External

Trigger

Integration start is controlled by the user from the external signal TRIG:

• The rising edge of TRIG activates the start of the frame integration. This rising edge

is synchronized by the camera with a latency of Td (Time delay equivalent to a

readout Time for a Line: See notes above).

• Integration time is set by RS232.

• Note: TRIG signal period must be greater than integration time plus frame readout

time.

• “Video Lines” (before and after valid frame) are 4+4 for Binning 1x1 (and also 1+1

for Binning 4x4).

Figure 4. External Trigger Timing Diagram

LEN

Frame

integration

Time set by RS232 Video lines

Line 1

Line 2

Line N-1

Line N

Video lines

M Pixels

Shutter

delay

2 ms

FEN

SHUTTER

LEN

TRIG

Frame

integration

Time set by RS232 Video lines

Line 1

Line 2

Line N-1

Line N

Video lines

M Pixels

Shutter

delay

WaitingFrame readout

FEN

SHUTTER

1 2 3 4 5 6 7 8 9 10 ... 20 21

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Atmel CAMELIA 8M Manuel d'utilisateur Page 5

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