PixArt Imaging Inc.

PAS005B

CMOS Image Sensor IC

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PixArt Imaging Inc.

Hsync.

x x x x

x x

x x

644 pixels 0ut

x x x x

line time = 480+4(x)+4(D)+644+4(x) = 1136 pixclks

x x x

480 pixclks

Pixclk_a

644 pixels out

Note: "x" indicates don't care PXD[9:0] , "D" dark.

x

D D D D

D D D D

Fig 4.3.5.1-1 Inter-line timing (default)

Hsync.

x x x x

x x

x x

644 pixels 0ut

x x x x

line time = cov[10:0]+480+4(x)+4(D)+644+4(x) pixclks

x x x

cov[10:0]+480

Pixclk_a

644 pixels out

Note: "x" indicates don't care PXD[9:0] , "D" indicates dark.

x

D D D D

D D D D

Fig .4.3.5.1-2 Inter-line timing (programmable)

Valid frame data (482 lines)

Dark

Hsync.

480

Pixclks

480

Pixclks

Frame time(min) (=484 lines)

Vsync.

B,G,B,G...

G,R,G,R...

Dark

Dark

Dark

B,G,B,G...

Fig 4.3.5.1-3 Inter-frame timing (default)

Valid frame data

(480 lines)

Hsync.

Pixclks

Frame time = lpf[14:0]+3 lines

Vsync.

0

Dark

1

Dark

0

Dark

Valid frame data

(480 lines)

1

Dark

Fig 4.3.5.1-4 Inter-frame timing (programmable)

4.3.5.2. Sub-sampling QVGA(318X240) from (1288 X 968 ) windowing:

(with 4 column and 2 row for color interpolation)

cf[1:0] = 2, rf[1:0]=2, sub-sampling rate (1/4,1/4),cm =1, single_path = 1, row_ave= 1, CDS_ext2_in =1.

wcp[10:0]=0, wcw_in[10:0]=1287, column pixels 322=(1287+1)/4,

wrp[10:0]=0,wrd[10:0]=967, row pixel 242=(967+1)/4,