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CSG14K_CSG8K

Functional Description

Datasheet

• PUBLIC

DS000571

• v2-01 • 2023-Feb-10

113

│ 69

Set Row Length

The ROW_LENGTH register sets the line rate of the sensor. The required setting of this

parameter is dependent on different sensor operation modes

– which are known at this stage

of the configuration procedure.

The maximum frame time is achieved when the ROW_LENGTH register is set to its minimal

allowed value as per below equation.

ROW_LENGTH Register Limitation

Equation 3:

ROW_LENGTH ≥ max(��_��, �� + 12)

Where KSIZE refers to the register value and ROW_LENGTHmin is image mode dependent

(see Figure 62).

Refer to section 7.5.2 for further details on this register.

Set Control Mode

Depending on the selected sensor control mode (see 7.4.2), the following SPI register

settings must be written. Refer to section 7.2.7 for a detailed description of the control modes.

Figure 79:

Control Mode Register

Bank

Address

SEN.1

SEN.2

SEN.3

SEN.4

CTRL_MODE

SEN.1 (Full External) provides maximal freedom to the user as all exposure and frame control

is external to the sensor. It is also the most complex mode, as the user is responsible for

generating correct timing of the request pulses (REQ_EXP and REQ_FRAME). The other

control modes each add a little intelligence to the sensor, making it easier for the user to

control the frame acquisition.

When choosing the sensor control mode, it is important to consider the latency between the

external REQ_EXP request and the start of the first exposure on the image array. The SEN.2,

SEN.3 and SEN.4 control modes all have an additional latency of 1 Time Unit. The SEN.1

control mode does not have this additional latency.

Release Soft Reset

Once the PLLs are locked, the sensor can be released from soft reset and the main clock can

be enabled, by applying the following register write sequence.

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