VV6404C001-B2 데이터 시트보기 (PDF) - STMicroelectronics

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VV6404C001-B2

Mono and Colour Digital Video CMOS Image Sensors

STMicroelectronics 

D[3:0]

CLKI

SDA

SCL

setup0[0]

Frame

Number

N

FH

9H,6H,9H,6H...

One frame of 9H & 6H data.

FH

Start of Frame Line for the 1st

frame of valid video data.

Valid Video data.

0

1

2

3

4

5

LP0-LP1

LP2

LP3-LP4

LP5-LP6

LP7-LP8

“Enter Low Power Mode” Command.

At end of current frame, D[3:0] is set to FH and the VM6404 sensor’s analogue circuitry is powered down.

“Exit Low Power Mode” Command. Powers-up analogue circuits and initiates the VM6404 sensor’s 4-frame start-up sequence

1 Frame of alternating 9H & 6H data on D[3:0] for the video processor to determine the best sampling phase for the nibble data

(D[3:0]).

4 Frames after the “Exit low Power Mode” command, the sensor starts outputing valid video data.

Figure 10 : Entering and Exiting Low Power Mode.

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