GL646USB datasheet(29/43 Pages) ETC

29 / 43 page

Revision 1.3

Mar.22 2001

-28-

GL646USB

: reset: enable CCD TG position CP & RS signals.

CCD TG

CCD CP/RS

7.16. Reg : 17H

(Write)

Default : 14H

B7~6:TGMODE[1:0]

: to set CCD TG mode.

00:without dummy line CCD TG type.

01:with dummy line CCD TG type.

10:reserved.

11:reserved.

B5~0:TGW[5:0]

to set CCD TG width.

7.17. Reg : 18H

(Write)

Defalut : 00H

B7 : CNSET

: set : TG and clock set to Canon CIS style.

: reset: TG and clock is non-Canon CIS style.

B6~5 :DCKSEL:

00 one time CCD Clocks speed for dummy line.

01 two time CCD Clocks speed for dummy line.

10 three time CCD Clocks speed for dummy line.

11 four time CCD Clocks speed for dummy line.

B4 :CKTOGGLE

: set : half cycle per pixel for CCD Clock 1/2.

: reset : one cycle per pixel

B3~2 :CKDELAY:

00 no delay

01 delay one system clock for CCD Clock 1/2.

10 delay two system clock for CCD Clock 1/2.

11 delay three system clock for CCD Clock 1/2.

B1~0 :CKSEL :

00 one time CCD Clock speed for capture image.

01 two time CCD Clock speed for capture image.

10 three time CCD Clock speed for capture image.

11 four time CCD Clock speed for capture image.

7.18. Reg : 19H

(Write)

Default : 00H

EXPDMY[7:0] : to set dummy line exposure time (unit = 256 pixels time).

7.19. Reg : 1AH,1BH

(Write)

Defalut : 00H,00H

CKH[4:0]: set CCD Clock rising edge position.

CKL[4:0]: set CCD Clock falling edge position.

7.20. Reg : 1CH

(Write)

Default : 00H

B7: CK3SEL

: to enable CCD Clock3

B6:CK3INV

: to reverse CCD Clock3

B5~B0: TGSEL[5:0]

: to set CCD TG for R,G and B output control

B0~1: control R Channel TG.

B2~3: control G Channel TG.

B4~5: control B Channel TG.

7.21. Reg : 1DH

(Write)

Defalut : 04H

B7 : CKMANUAL

: to program CCD Clock1/2 by manual.

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