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CSG14K_CSG8K

Functional Description

Datasheet

• PUBLIC

DS000571

• v1-00 • 2020-Dec-15

112

│ 50

Name

Function

DATAx_OUT

Serially transmit pixel data. Every channel transmits the data of 1 pixel, so up to 16 pixels are transmitted at

the same time from the sensor.

OB_OUT

Serially transmit pixel data of pixels in OB columns.

Information

At the sensor output, all channels are bit and word aligned with minimal skew (per readout side).

Yet, it is advised to perform bit-alignment on the receiver to optimize the sample point of every data

channel.

Reading out a frame is done row-by-row. The pixels of a row are evenly distributed along all enabled

outputs. Any number between 1 and 8 DATAx_OUT channels (per side) can be used, depending on

the horizontal multiplexing settings (see section 7.6.2). DATA0_OUT is always active. If more than 1

channel is used, additional channels are enabled from left to right.

Using the OB_OUT channel is optional, because by default the row OB corrections (using the OB

columns) are done on-chip.

Low-Level Pixel Timing

●

Data is transferred serially over each channel, one complete word at a time.

●

Data is transferred either LSBit or MSBit first through configuration.

●

All channels are word aligned (first bit of all channels sent during same CLK_OUT cycle).

This results in the timing diagram in the figure below (shown for 12-bit data, LSBit first).

Figure 53:

Low-Level Pixel Timing (per side)

Control Channel

Like all other data channels, the CTR_OUT channel transmits its data word-based. A word being

transmitted on the CTR channel consists of a number of bits, each reflecting the status of a certain

aspect of the sensor behavior. The table below lists the function of each bit.

CLK_OUT

CTR_OUT

DVAL

FVAL

SVAL

OBVAL

EXP_L

EXP_S

GLOB

NSRE

NSRF

[2]

DATA0_OUT

[11]

A[0]

A[1]

A[2]

A[3]

A[4]

A[5]

A[6]

A[7]

A[8]

A[9]

A[10]

A[11]

[2]

DATA1_OUT

[11]

M[0]

M[1]

M[2]

M[3]

M[4]

M[5]

M[6]

M[7]

M[8]

M[9]

M[10]

M[11]

[2]

OB_OUT

[11]

OB[0]

OB[1]

OB[2]

OB[3]

OB[4]

OB[5]

OB[6]

OB[7]

OB[8]

OB[9]

OB[10]

OB[11]

[0]

[1]

DVAL

FVAL

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