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CSG14K_CSG8K

Functional Description

Datasheet

• PUBLIC

DS000571

• v1-00 • 2020-Dec-15

112

│ 90

Base (default) digital gain is set by uploading a value of 15 to GDIG_Rx_Cy. The maximum digital

gain is 16x with GDIG_Rx_Cy at 255. The lowest digital gain is 1/16x with GDIG_Rx_Cy at 0.

Figure 112:

Digital Gain Registers

Reg. Name

Bank

Addr

Bits

Description

GDIG_RE_CE

[7:0]

Even Rows & Even Columns

See Equation 15

GDIG_RE_CO

[7:0]

Even Rows & Odd Columns

See Equation 15

GDIG_RO_CE

[7:0]

Odd Rows & Even Columns

See Equation 15

GDIG_RO_CO

[7:0]

Odd Rows & Odd Columns

See Equation 15

The digital gain is applied after the black level correction. This means that changing the digital gain

setting does not require any of the offset correction settings to be updated.

7.7.3

Compression

Figure 113:

Compression Registers

Bank

Addr

Bits

Description

COMPRESS_EN

[0:0]

0: Disable digital compression

1: Enable digital compression

COMPRESS_KNEEPOINT

[12:0]

Threshold above which data is compressed

COMPRESS_RATIO

[1:0]

Compression number

0: Ratio 2

1: Ratio 4

2: Ratio 8

3: Ratio 16

OUTP_BITMODE

[1:0]

Pixel data width of the output channels

0: Unused

1: 10-bit data

2: 12-bit data

The sensor can digitally compress the output pixel data as shown in the figure below.

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