CMV2000 datasheet(34/64 Pages) AMSCO

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Reference: CMV2000-datasheet-v3.8

CMV2000 v3 Datasheet

Page 33 of 63

5.3 WINDOWING

To limit the amount of data or to increase the frame rate of the sensor, windowing in Y direction is possible. The number

of lines and start address can be set by programming the appropriate registers. The CMV2000 has the possibility to

read-out multiple (max=8) predefined subwindows in one read-out cycle. The default mode is to read-out one window

with the full frame size (2048x1088).

5.3.1 SINGLE WINDOW

When a single window is read out, the start address and size can be uploaded in the corresponding registers.

Windowing – single window

Default value

Description of the value

start1

3[7:0]

4[7:0]

Defines the start address of the window in Y (min=0,

max=1087)

Number_lines

1[7:0]

2[7:0]

1088

Defines the number of lines read-out by the sensor

(min=1, max=1088)

2048

Number_lines

start1

FIGURE 38: SINGLE WINDOW SETTINGS

5.3.2 MULTIPLE WINDOWS

The CMV2000 can read out a maximum of 8 different subwindows in one read-out cycle. The location and length of

these subwindows must be programmed in the correct registers. The total number of lines to be read-out (sum of all

windows) needs to be specified in the Number_lines register. The registers which need to be programmed for the

multiple windows can be found in the table below. The default values will result in one window with 1088 lines to be

read-out.

Windowing – multiple windows

Default value

Description of the value

Number_lines

1[7:0]

2[7:0]

1088

Defines the total number of lines read-out by the sensor

(min=1, max=1088)

start1

3[7:0]

4[7:0]

Defines the start address of the first window in Y

(min=0, max=1087)

Number_lines1

19[7:0]

20[7:0]

Defines the number of lines of the first window

(min=1, max=1088)

start2

5[7:0]

6[7:0]

Defines the start address of the second window in Y

(min=0, max=1087)

Number_lines2

21[7:0]

22[7:0]

Defines the number of lines of the second window

(min=1, max=1088)

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