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CMV8000

Functional Description

Preliminary Datasheet

• PUBLIC

DS000609

• v1-00 • 2019-Jun-12

│ 31

Control Channel

The OUT_CTR LVDS output channel is dedicated to the valid data synchronization signals of the data

channels. The end user must use this channel to know when valid image data or training data is

available on the data output channels.

The control channel transfers its data in 10-bit or 12-bit words, depending on the selected bit mode.

Every bit has a specific function, as described in Figure 28 below.

Figure 28:

Control Word

Bit

Function

Description

[0]

DVAL

Indicates valid pixel data is on the

data channels

[1]

LVAL

Indicates validity of a row read-out

[2]

FVAL

Indicates validity of a frame read-out

[3]

SLOT

Indicates the overhead period before

112-pixel bursts

[4]

ROW

Indicates the overhead period before

the read-out of a row

[5]

FOT

Indicates when the sensor is in FOT

[6]

INTE1

Indicates exposure of pixels in

exposure group 1

[7]

INTE2

Indicates exposure of pixels in

exposure group 2

[8]

Constant zero

[9]

Constant one

[10]

Constant zero

[11]

Constant zero

Information

Status bits [3] through [7] are purely informational and are not strictly required for sampling image

data. DVAL, LVAL and FVAL signals are sufficient to synchronize the pixel data.

Information

The INTE status bits will be zero at the start of the FOT signal, although the actual exposure time

continues during part of the FOT.

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