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CSG14K_CSG8K

Functional Description

Datasheet

• PUBLIC

DS000571

• v1-00 • 2020-Dec-15

112

│ 42

Expanding this to a timing diagram gives similar timings to the ones shown in Figure 38 with

REQ_FRAME continuously low.

Since this mode is so similar to the Full External mode, also the lists of invalid and special control

timing are quite similar.

Figure 43:

Programmed External Mode: Invalid and Special Control Timing

Invalid Control Timing

Sensor Response

PE_i0

REQ_EXP during GLOB

Same response as FE_i0

PE_i1

EXPOSURE time expires during GLOB

Same response as FE_i1

Special Control Timing

Sensor Response

PE_s0

REQ_EXP during EXPOSURE

Same response as FE_s0

PE_s1

EXPOSURE time expires during READOUT

Same response as FE_s1

PE_s2

Any pulse on REQ_FRAME

Will be ignored

Control Mode 2: Triggered Internal

Both external control modes have in common that every external request results in exactly one sensor

response:

●

In Full External mode:

●

Each REQ_EXP initiates 1 EXPOSURE period

●

Each REQ_FRAME initiates 1 GLOB period, followed by READOUT

●

In Programmed External mode:

●

Each REQ_EXP initiates the complete readout of 1 frame (EXPOSURE, GLOB and

READOUT).

This means that in those two modes, the frame rate is fully controlled externally by timing the

requests.

In the Triggered Internal mode, a single request is followed by a programmable number of frames, at a

frame rate also set by register upload.

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