AR0330 datasheet(50/77 Pages) ONSEMI

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AR0330_DS Rev. U Pub. 4/15 EN

©Semiconductor Components Industries, LLC,2015.

AR0330: 1/3-Inch CMOS Digital Image Sensor

Subsampling

(EQ 17)

A value of 1 is used for x_odd_inc and y_odd_inc when no pixel subsampling is indi-

cated. In this case, the sensor is incrementing x and y addresses by 1 + 1 so that it reads

consecutive pixel and row pairs. To implement a 2x skip in the x direction, the x_odd_inc

is set to 3 so that the x address increment is 1+3, meaning that sensor will skip every

other Gr-R pair.

Table 35:

Configuration for Horizontal Subsampling

x_odd_inc

Restrictions:

No subsampling

x_odd_inc = 1

skip = (1+1)*0.5 = 1x

The horizontal FOV must be programmed to

meet the following rule:

Skip 2x

x_odd_inc = 3

skip = (1+3)*0.5 = 2x

Skip 3x

x_odd_inc = 5

skip = (1+5)*0.5 = 3x

Analog Bin 2x

x_odd_inc = 3

skip = (1+3)*0.5 =2x

col_sf_bin_en = 1

Analog Bin 3x

x_odd_inc = 5

skip = (1+5)*0.5 = 3x

col_sf_bin_en = 1

Digital Bin 2x

x_odd_inc = 3

skip = (1+3)*0.5 =2x

col_bin =1

Digital Bin 3x

x_odd_inc = 5

skip = (1+5)*0.5 = 3x

col_bin = 1

Table 36:

Configuration for Vertical Subsampling

y_odd_inc

Restrictions:

No subsampling

y_odd_inc = 1

skip = (1+1)*0.5 = 1x

row_bin = 0

The vertical FOV must be programmed to meet

the following rule:

Skip 2x

y_odd_inc = 3

skip = (1+3)*0.5 =2x

row_bin = 0

Skip 3x

y_odd_inc = 5

skip = (1+5)*0.5 =3x

row_bin = 0

Analog Bin 2x

y_odd_inc = 3

skip = (1+3)*0.5 =2x

row_bin = 1

Analog Bin 3x

y_odd_inc = 5

skip = (1+5)*0.5 =3x

row_bin = 1

y subsampling factor

y_odd_inc

----------------------------------

x_addr_end

x_addr_start

–1

x_odd_inc

 2



-------------------------------------------------------------------------

even number

y_addr_end

y_addr_start

–1

y_odd_inc

 2



-------------------------------------------------------------------------

even number

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