CSG14K_CSG8K datasheet(47/113 Pages) AMSCO

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CSG14K_CSG8K

Functional Description

Datasheet

• PUBLIC

DS000571

• v1-00 • 2020-Dec-15

112

│ 46

Figure 48:

Special Control Timing: PE and TI Comparison

Special Timing

Programmed External

Response

Triggered Internal

Response

PE_i0

REQ_EXP during GLOB

Will corrupt next frame

= TI_s0

Sequence length extended by 1

frame with every new request

PE_s0

REQ_EXP during EXPOSURE

Will stop EXPOSURE and start new

one

Impossible situation: EXPOSURE

by construction never finishes

during READOUT or GLOB

PE_i1

EXPOSURE time expires during

GLOB

Will corrupt next frame

PE_s1

EXPOSURE time expires during

READOUT

Will stop READOUT and start new

GLOB

TI_s0

REQ_EXP before last READOUT

of sequence has started

= PE_i0 or PE_s0

Extend sequence length

TI_s1

REQ_EXP after last READOUT

of sequence has started

Will start new exposure immediately,

resulting in default behavior or PE_s1

Will start new exposure (directly or

after delay, see Figure 47)

In summary:

●

Triggered Internal is the more forgiving mode. It adjusts the actual timing and scheduling of

events as needed to always yield complete and correct images.

●

Programmed External mode (and by extend also Full External mode) however directly responds

to external requests at the cost of possibly corrupting or interrupting images but no missing

higher priority exposures.

Control Mode 3: Streaming

Streaming mode is nothing else than Triggered Internal mode with an infinite sequence length.

After starting the Streaming mode with a rising edge on REQ_EXP, it will keep on generating a

continuous stream of frames forever until stopped explicitly (via sensor reset or HALT command; see

section 7.2.8). As in Triggered Internal mode, the entire frame configuration is done by register upload.

Next figure shows the state diagram of the Streaming mode.

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