gl848 Genesys Logic, gl848 Datasheet - Page 78

• Manufacturer Part Number: gl848
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Fast Adf & Bus Power
• Manufacturer: Genesys Logic

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:
©2000-2007 Genesys Logic Inc. - All rights reserved.
(1) Two tables type:
(2) One tables type:
A,J
B
C,D : Acceleration curve in table one (slope one) for scanning.
E
F
I
H
G
K
J
C,D : Acceleration curve in table one (slope one) for forward scanning.
E
F
I
H
G
K
Speed
Speed
: Acceleration curve in table four (slope four) for fast moving.
: Deceleration curve in table four (slope four) for fast moving.
: 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.
: Acceleration curve in table four (slope four) for fast moving.
: 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.
GL848 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
Go to scan window
A(4)
G(5),K
G(5),K
C(1)
Go to scan window
B(4)
Scanning position
Scanning position
Go home
C(1)
go home
forward
D(1)
H(2)
Buffer full position Scan finished
H(2)
Buffer full position
backward
D(1)
I(2)
I(2)
E(1)
E(1)
Scan finished
F(3)
J(4)
Length
J(4)
F(3)
Length
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