CMV2000 datasheet(41/87 Pages) AMSOSRAM

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CMV2000

Functional description

Datasheet

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2 output channels:

When only 2 LVDS output channels are used, the read-out of one row takes (8*128) + (8*1)

CLK_IN periods. The maximum frame rate is reduced with a factor of 8 compared to 16

channels mode.

Figure 35: Output timing in 2 channels mode

7.3.3.2

12-bit mode

In 12-bit mode, the analog-to-digital conversion takes 4x longer to complete. This causes the

frame rate to drop to 70 fps when 480 MHz is used for LVDS_CLK_N/P. Due to this extra

conversion time, the sensor automatically multiplexes to 4 outputs when 12-bit is used. To

simplify the figures below, the timing for only one LVDS channel is shown in every case.

For simplification, the timing for only one LVDS channel is shown in every case in the following

paragraphs:

•

4 Output Channels

•

2 Output Channels

4 output channels:

By default, the CMV2000 uses only 4 LVDS output channels in 12-bit mode. This means that

the read-out of one row takes (4*128) + (4*1) CLK_IN periods.

Figure 36: Output timing in 4 channels mode

2 output channels:

When only 2 LVDS output channels are used, the read-out of one row takes (8*128) + (8*1)

CLK_IN periods. The maximum frame rate is reduced with a factor of 2 compared to 4

channels mode.

Figure 37: Output timing in 2 channels mode

IDLE

128

Row 1

128

Row 2

128

IDLE

128

DATA_OUT

128

Row 1

Row 2

128

IDLE

128

Row 1

128

Row 2

128

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