GL646USB datasheet(34/44 Pages) GENESYS

34 / 44 page

GL646USB

7.52. Reg : 52H,53H

(Write)

Defalut : 00H,00H

RHI[4:0] : to latch R channel high byte data of AFE.

RLOW[4:0]

: to latch R channel low byte data of AFE.

7.53. Reg : 54H,55H

(Write)

Defalut : 00H,00H

GHI[4:0] : to latch G channel high byte data of AFE.

GLOW[4:0]

: to latch G channel low byte data of AFE.

7.54. Reg : 56H,57H

(Write)

Defalut : 00H,00H

BHI[4:0] : to latch B channel high byte data of AFE.

BLOW[4:0]

: to latch B channel low byte data of AFE.

(1). Color or fine gray : 24 clocks/pixel

10 11 12 13 14 15 16 17 18 19 20 21 22 23

R[15:8]

R[7:0]

G[15:8]

G[7:0]

B[15:8]

B[7:0]

RHI = 01H

RLOW

= 05H

GHI = 09H

GLOW

= 0DH

BHI = 11H

BLOW

= 15H

(2).Fast gray or B&W : 9 clocks/pixel

R[15:8]

R[7:0]

R[15:8]

R[7:0]

R[15:8]

RHI = 02H

RLOW

= 06H

7.55. Reg : 58H

(Write)

Defalut : 00H

B7~3:VSMP[4:0]

: to set the rising edge position of image sampling for AFE.

B2~0:VSMPW[2:0]

: to set the pulse width of image sampling.

(1). Color or fine gray : 24 clocks/pixel

10 11 12 13 14 15 16 17 18 19+ 20 21 22 23 0

AFE

VSMP

Reg58=B3H : VSMP[4:0]=16H

VSMPW=3H

(2).Fast gray or B&W : 15 clocks/pixel

Rev. 1.4

-33-

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