AR0141CS datasheet(26/48 Pages) ONSEMI

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AR0141CS

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Table 14. SERIAL SYNC CODES INCLUDED WITH EACH PROTOCOL INCLUDED WITH THE AR0141CS

SENSOR

Interface/Protocol

Start of Vertical

Blanking Row

(SOV)

Start of Frame

(SOF)

Start of Active

Line

(SOL)

End of Line

(EOL)

End of Frame

(EOF)

Parallel

Parallel interface uses FRAME VALID (FV) and LINE VALID (LV) outputs to denote start and end of line and

frame.

HiSPi Streaming−S

Required

Unsupported

Required

Unsupported

HiSPi Streaming−SP

Required

Unsupported

HiSPi Packetized SP

Unsupported

Required

Figure 30 illustrates how the sensor active readout time

can be minimized while reducing the frame rate. 750 VB

rows were added to the output frame to reduce the 1280 x

720 frame rate from 60 fps to 30 fps without increasing the

delay between the readout of the first and last active row.

Figure 30. Example of the Sensor Output of a 1280x 720 Frame at 30 fps

Active Rows

Vertical Blanking

Time

1/30 s

End of Frame

Readout

End of Frame

Readout

Start of Vertical Blanking

Start of Frame

Start of Active Row

End of Line

Serial SYNC Codes

End of Frame

Row Reset

Row Read

Row Reset

Row Read

Frame Valid

Line Valid

1/30 s

Row Reset

Row Read

Row Reset

Row Read

(780 Rows)

H B (370 Pixels)

1280 x 720

Note:

The frame valid and line valid signals mentioned in this diagram represent internal signals within the sensor.

The SYNC codes represented in this diagram represent the HiSPi Streaming−SP protocol.

(780 Rows)

1280 x 720

H B (370 Pixels)

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