gl845 Genesys Logic, gl845 Datasheet - Page 51

• Manufacturer Part Number: gl845
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Adf
• Manufacturer: Genesys Logic

©2000-2007 Genesys Logic Inc. - All rights reserved.
Offset 65h ……..………………………..………..….………..….…..…..…..…. Default value = 8’h00
7-0 Z2MOD [15:8] “remainder value” of MOD operation in acceleration/deceleration tables.
7-0 Z2MOD [7:0]
(1). Two table moving :
(2). One table moving :
Z2MOD7
R/W
R/W
speed
speed
GL845 High Speed USB2.0 2-in-1 Scanner Controller With ADF
{a + (b-1)} mode LPERIOD = Z2MOD
{c + (d-1)} mode LPERIOD = Z1MOD
Z2MOD6
a
R/W
R/W
Note:for ACDCDIS=1,designer must subtract any small offset value from Z2MOD to
Note:for ACDCDIS=1,designer must subtract any small offset value from Z2MOD to
ASIC calculate the moving time by MOD operation when scanner start to move.
Note: It should be less than LPERIOD.
solve the first time start/stop motor position problem.
“remainder value” of MOD operation in acceleration/deceleration tables.
ASIC calculate the moving time by MOD operation when scanner start to move.
Note: It should be less than LPERIOD.
solve the first time start/stop motor position problem.
Z2MOD5
R/W
R/W
b
a
Scanning position
Scanning position
Z2MOD4
R/W
R/W
b
Z2MOD3
c
R/W
R/W
c
d
d
buffer full position
buffer full position
Z2MOD2
R/W
R/W
Z2MOD1
R/W
R/W
time
time
Z2MOD0
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R/W
R/W