AR0330 datasheet(47/77 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

Sensor Readout

Window Control

The sequencing of the pixel array is controlled by the x_addr_start, y_addr_start, x_ad-

dr_end, and y_addr_end registers. The x_addr_start equal to 6 is the minimum setting

value. The y_addr_start equal to 6 is the minimum setting value. Please refer to Table 33

and Table 34 for details.

Readout Modes

Horizontal Mirror

When the horizontal_mirror bit (R0x3040[14]) is set in the image_orientation register,

the order of pixel readout within a row is reversed, so that readout starts from x_ad-

dr_end + 1and ends at x_addr_start. Figure 31 on page 47 shows a sequence of 6 pixels

being read out with R0x3040[14] = 0 and R0x3040[14] = 1. Changing R0x3040[14] causes

the Bayer order of the output image to change; the new Bayer order is reflected in the

value of the pixel_order register.

Figure 31:

Effect of Horizontal Mirror on Readout Order

Vertical Flip

When the vertical_flip bit (R0x3040[15]) is set in the image_orientation register, the order

in which pixel rows are read out is reversed, so that row readout starts from y_addr_end

and ends at y_addr_start. Figure 30 shows a sequence of 6 rows being read out with

Table 33:

Pixel Column Configuration

Column Address

Number

Type

Notes

0–5

Active

Border columns

6–2309

2304

Active

Active columns

2310–2315

Active

Border columns

Table 34:

Pixel Row Configuration

Row Address

Number

Type

Notes

2–5

Active

Not used in case of “edge effects”

6–1549

1544

Active

Active rows

1550–1555

Active

Not used in case of “edge effects”

G0[11:0] R0[11:0] G1[11:0] R1[11:0] G2[11:0] R2[11:0]

G3[11:0] R2[11:0] G2[11:0] R1[11:0] G1[11:0] R0[11:0]

LINE_VALID

horizontal_mirror = 0

DOUT[11:0]

horizontal_mirror = 1

DOUT[11:0]

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