AR0330 datasheet(42/77 Pages) ONSEMI

42 / 77 page

AR0330_DS Rev. U Pub. 4/15 EN

©Semiconductor Components Industries, LLC,2015.

AR0330: 1/3-Inch CMOS Digital Image Sensor

Pixel Sensitivity

Figure 27:

Example of 8.33ms Integration in 16.6ms Frame

The fine integration is then defined by the number of pixel clock periods between the

row reset and row read operation within TROW. This period is defined by the fine_integra-

tion_time register.

Figure 28:

Row Read and Row Reset Showing Fine Integration

TFINE = fine_integration_time/clk_pix

(EQ 15)

The maximum allowed value for fine_integration_time is line_length_pck - 1204.

ON Semiconductor recommends that the fine_integration_time in the AR0330 be left at

zero.

Vertical Blanking

Read

Reset

Vertical Blanking

FRAME = frame_length_lines x TROW

16.6 ms = 1308 rows x 12.7

μs/row

COARSE = coarse_integration_time x TROW

8.33 ms = 654 rows x 12.7

μs/row

Time

Read Row N

Reset Row K

T FINE = fine_integration _time x (1/CLK_PIX)

Start of Read Row N

and Reset Row K

Start of Read Row N + 1

and Reset Row K + 1

ROW = lin e_length _pck x (1/CLK_PIX)

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