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CMV8000

Functional Description

Preliminary Datasheet

• PUBLIC

DS000609

• v1-00 • 2019-Jun-12

│ 43

In the same fashion, the read-out time is defined by:

Equation 8:

�� = (2 × (��_�� + 1) ×

#��

× �� ×

#��

) × ��_��

This leads to a reduced max. frame rate of 40 FPS for 12-bit mode and a full resolution image.

Sequence Length

In internal exposure mode, each high level on the F_REQ pin will trigger exposure and read-out of one

or more frames. With the FRAMES register, the user can control how many frames will follow after the

F_REQ pulse. The sensor adjusts the timing of these frames so that the maximum frame rate for that

use case is achieved.

Figure 46:

FRAMES Register

Bit Name

Address

Description

frames[15:0]

54-55

Sets the number of frames in

internal exposure mode

7.4.2

Windowing

The sensor supports several windowing modes in the vertical direction to create different regions of

interest.

Vertical ROI Settings

To limit the amount of data or to increase the frame rate of the sensor, windowing in Y-direction is

supported. The amount of windows can vary from 1 to 8. The number of lines for each window and the

start addresses can be set by programming the registers in the table below. The YSIZE_TOT register

needs to be programmed at all times as the sum of all window sizes. The sensor reads out the pixel

array from window 0 to window 7, regardless of the rows that these windows address. The default

mode is to read out a single window with the full frame size of 2528 rows.

Figure 47:

Windowing Registers

Bit Name

Address

Description

ysize_tot[15:0]

1-2

Set the total number of lines

to read out

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