PixArt Imaging Inc.

PAS202BCA/PAS202BBA

CMOS Image Sensor IC

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.

5

PixArt Imaging Inc.

V1.2, May. 2002

3.2 Output timing:

Pixel per line is programmable, 772 pixels ~ 1156 pixels.

4+4 blank pixel for each line. ( See Fig 3.2. Fig 3.3)

1+1 Dark line for each frame.(See Fig 3.4. Fig 3.5 )

Dark line output format: Fig 3.6.

Fig 3.2. Inter-line timing (default)

Hsync.

x x x x

x x

x x

2+640+2 pixels out

x x x x

line time =4+644+4 pixclks

x x x

Pixclk_a

2+640+2 pixels out

Note: "x" indicates don't care PXD[9:0]

Nov_by2*2 pixclks

Nov_by2*2-8

pixclks

Fig 3.3. Inter-line timing (programmable)

Fig 3.4. Inter-frame timing (default)

Hsync.

x x x x

x x

x x

2+640+2 pixels out

x x x x

line time (min)= 120+4+2+640+2+4 = 772 pixclks

x x x

120 pixclks

Pixclk_a

2+640+2 pixels out

Note: "x" indicates don't care PXD[9:0]

Valid frame data (484 lines)

Dark

Hsync.

120

Pixclks

120

Pixclks

Frame time(min) (=486 lines)

Vsync.

B,G,B,G...

G,R,G,R...

Dark

Dark

Dark