PixArt Imaging Inc.

PAS005B

CMOS Image Sensor IC

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PixArt Imaging Inc.

VGA(average)

Nov time

line time

frame time

Mega frame rate

VGA(Non_average)

10 us ( 240 ck @24M)

t_line = 1534 ck

t_frame = 1030*1534 ck

= 24M/(1030*1534 )

= 15.2 fps

= 24M/( (654+240*2)*486 )

= 43.5 fps

= 24M/( (654+240*1)*486 )

= 55.2 fps

VGA( average )

Pixel clock=16.5M

when30fps

VGA(average)

( single_path)

= 24M/( (1306+480)*486 )

= 27.6 fps

VGA(non-average)

(single_path)

= 24M/( (1306+240)*486 )

=32 fps

X:

Int: 8

Dk: 4

Dummy: 2

Y:

Int: 4

Dk: 2

2 path:

t_line =x+8+4+2

=x+14

LPF=y+4+2

=y+6

1 path:

t_line =(x +8 +4 +1)*2

=2*x+26

LPF=y+4+2

=y+6

Double_path

Single_path

New frame, Row<2046>

last

reg_upd

ny_ena_clk

ny_clk

exp_frame_rst

read Frame N-1

exposure Frame N

exposure Frame N+1

read Frame N

Nov

row_addr

fail

In normal operating condition, register 3 ~ 40 are synchronized by frame. The programming method is