CMV2000 datasheet(53/87 Pages) AMSOSRAM

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CMV2000

Functional description

Datasheet

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The placement of the knee points on the X-axis is controlled by the Vlow programming, while

the slope of the segments is controlled by the programmed exposure times.

Figure 48: Piecewise linear response

Piecewise linear response with INTERNAL exposure mode:

The following registers need to be programmed when a piecewise linear response in internal

exposure mode is desired.

Table 15: Piecewise linear response with internal exposure mode register settings

Default value

Description of the value

Exp_time

42[7:0]

43[7:0]

44[7:0]

1088

Defines the total exposure time according following

formula:

129 ∗ ��_��(0.43 ∗ ��_��ℎ + ��_��)

Where clk_per is the period of the CLK_IN input

clock.

Nr_slopes

54[1:0]

Defines the number of slopes (min=1, max=3).

Exp_kp1

48[7:0]

49[7:0]

50[7:0]

Defines the exposure time of kneepoint 1. Formula:

129 ∗ ��_��(0.43 ∗ ��_��ℎ + ��_��1)

Where clk_per is the period of the CLK_IN input

clock.

Saturation

level

Kneepoint 2

Kneepoint 1

# of electrons

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