GL843 datasheet(75/84 Pages) GENESYS

75 / 84 page

GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x

Page 75

(1) Two tables type:

Speed

Scanning position

Buffer full position

Scan finished

Go to scan window

forward

A(4)

B(4)

C(1)

D(1)

E(1)

F(3)

Length

G(5),K

H(2)

I(2)

J(4)

go home

backward

A,J

: Acceleration curve in table four (slope four) for fast moving.

: Deceleration curve in table four (slope four) for fast moving.

C,D : Acceleration curve in table one (slope one) for scanning.

: Deceleration curve in table one (slope one) for scanning.

: Deceleration curve in table three (slope three) for scanning finished to protect wall hitting.

: Acceleration curve in table two (slope two) for back-track when image buffer full.

: Deceleration curve in table two (slope two) for back-track when image buffer full.

: Deceleration curve in table five (slope five) for go-home to protect wall hitting.

: Touch home sensor deceleration curve for go-home.

(2) One tables type:

Speed

Scanning position

Buffer full position

Scan finished

Go to scan window

C(1)

D(1)

E(1)

F(3)

Length

G(5),K

H(2)

I(2)

J(4)

Go home

: Acceleration curve in table four (slope four) for fast moving.

C,D : Acceleration curve in table one (slope one) for forward scanning.

: Deceleration curve in table one (slope one) for scanning.

: Deceleration curve in table three (slope three) for scanning finished to protect wall hitting.

: Acceleration curve in table two (slope two) for back-track when image buffer full.

: Deceleration curve in table two (slope two) for back-track when image buffer full.

: Deceleration curve in table five (slope five) for go-home to protect wall hitting.

: Touch home sensor deceleration curve for go-home.

20 Trigger Position Control

Designers can select to move motor first then capture image; or capture image first then move motor.

21 Stepping Motor Phase Control

There are 8 output control pins to control stepping motors:

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