CMV2000 datasheet(32/64 Pages) AMSCO

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Reference: CMV2000-datasheet-v3.8

CMV2000 v3 Datasheet

Page 31 of 63

Saturation

level

Kneepoint 2

Kneepoint 1

# of electrons

FIGURE 36: PIECEWISE LINEAR RESPONSE

5.2.2.1 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.

HDR settings – multiple slope

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 master 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 master input clock.

Exp_kp2

51[7:0]

52[7:0]

53[7:0]

Defines the exposure time of kneepoint 2. Formula:

129 ∗ ��_��(0.43 ∗ ��_��ℎ + ��_��2)

Where clk_per is the period of the master input clock.

Vlow3

90[6:0]

Defines the Vlow3 voltage (DAC setting).

Bit [6] = enable

Bit[5:0] = Vlow3 value

Vlow2

89[6:0]

Defines the Vlow2 voltage (DAC setting).

Bit [6] = enable

Bit[5:0] = Vlow2 value

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