CMV2000 datasheet(51/87 Pages) AMSOSRAM

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CMV2000

Functional description

Datasheet

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Table 13: Interleaved read-out

– HDR mode timing

Default value

Description of the value

Exp_time

42[7:0]

43[7:0]

44[7:0]

1088

If Exp_dual = ‘1’

Defines the exposure time for the even rows

according following formula:

129 ∗ ��_��(0.43 ∗ ��_��ℎ + ��_��)

Where clk_per is the period of the CLK_IN input

clock.

Exp_time2

56[7:0]

57[7:0]

58[7:0]

1088

If Exp_dual = ‘1’

Defines the exposure time for the odd rows

according following formula:

129 ∗ ��_��(0.43 ∗ ��_��ℎ + ��_��2)

Where clk_per is the period of the CLK_IN input

clock.

When the external exposure mode and interleaved read-out are selected, the different

exposure times are achieved by using the T_EXP1 and T_EXP2 input pins. T_EXP1 defines

the exposure time for the even lines, while T_EXP2 defines the exposure time for the odd

lines. See Figure 46 for more details.

Figure 46: Interleaved read-out in external exposure mode

When a color sensor is used, the sequencer should be programmed to make sure it takes the

Bayer pattern into account when doing interleaved read-out. This can be done by setting the

appropriate register to ‘0’.

FRAME_REQ

T_EXP1

T_EXP2

Exposure time even rows

Exposure time odd rows

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