CSG14K_CSG8K datasheet(96/114 Pages) OSRAM

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CSG14K_CSG8K

Functional Description

Datasheet

• PUBLIC

DS000571

• v2-01 • 2023-Feb-10

113

│ 95

Figure 121:

State Diagram: In-Line Streaming Mode

In the figure, YSIZE_TOT is the total number of rows that are read in a frame (set with YWINi

and YWIN_ENA as described in section 7.5.3). Just like in normal streaming mode, the

exposure is pipelined (expose frame N+1 while frame N is being read). The start of exposure

is controlled with EXP_TIME_INL (and its relation to YSIZE_TOT). Like in other modes, the

shutter lag applies to both start and end of exposure by default. The resulting actual exposure

time is always a multiple of the row length.

In case shutter lag is not disabled, the actual exposure time is exactly EXP_TIME_INL * trow.

The valid range for the register is 1 ≤ EXP_TIME_INL ≤ YSIZE_TOT.

Attention

After a rising edge on REQ_EXP, the sensor goes directly to a GLOB state without first exposing.

This means that the first frame read out after the trigger will contain corrupted data.

Attention

After a rising edge on REQ_EXP, the sensor goes directly to a GLOB state without first exposing.

This means that the first frame read out after the trigger will contain corrupted data.

The entire operation in this mode runs at the rate of the row timing, with a frequency set by

ROW_LENGTH (see 7.5.2 for more details). The length of the GLOB state is extended to an

exact multiple of the row length by appending some idle time after the word generator

program has finished.

The figure below expands the state diagram into a timing diagram. The figure shows an

example with the readout of 4 valid rows, a GLOB length of 1.5*trow and EXP_TIME_INL set to

GLOB

IDLE

RESET

READOUT

(N)

EXPOSURE

(N+1)

rising (REQ_EXP)

after (RowLength * YSIZE_TOT)

after (ExpDelay) **

=> ExpDelay = RowLength *

(YSIZE_TOT

– EXP_TIME_INL)

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