gl846 Genesys Logic, gl846 Datasheet - Page 37
gl846
Manufacturer Part Number
gl846
Description
High Speed Usb 2.0 2-in-1 Scanner Controller With Fast Adf
Manufacturer
Genesys Logic
Datasheet
1.GL846.pdf
(95 pages)
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Part Number:
GL846
Manufacturer:
GENESYS
Quantity:
20 000
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©2000-2007 Genesys Logic Inc. - All rights reserved.
Offset 22h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
Offset 23h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
Offset 24h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
FWDSTEP7 FWDSTEP6 FWDSTEP5 FWDSTEP4 FWDSTEP3 FWDSTEP2 FWDSTEP1 FWDSTEP0
7-0 STEPNO [7:0] Steps number of “table one” for the acceleration/deceleration of scanning moving.
7-0 FWDSTEP [7:0] Steps number for forward moving when buffer condition is met.
7-0 BWDSTEP [7:0] Steps number for backward moving when image buffer is full.
7-0 FASTNO [7:0] Steps number of “table two” for the acceleration/deceleration when image buffer
BWDSTEP7 BWDSTEP6 BWDSTEP5 BWDSTEP4 BWDSTEP3 BWDSTEP2 BWDSTEP1 BWDSTEP0
FASTNO7 FASTNO6 FASTNO5 FASTNO4 FASTNO3 FASTNO2 FASTNO1 FASTNO0
R/W
R/W
R/W
R/W
Speed
GL846 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
R/W
R/W
R/W
R/W
Please refer to section 6.19 and the descriptions of Reg24 & Reg6A.
Note: 1.It cannot be programmed to logic zero.
Please refer to section 6.19 and the descriptions of Reg20 & Reg24.
Note: 1.It cannot be programmed to logic zero.
Please refer to section 6.19 and the descriptions of Reg24.
Note: 1.It cannot be programmed to logic zero.
is full.
Please refer to section 6.19 and the descriptions of Reg20.
Note: It cannot be programmed to logic zero.
Reg21
2.it can be multiplied by2*
2.it can be multiplied by2*
2.it can be multiplied by2*
R/W
R/W
R/W
R/W
Reg24
R/W
R/W
R/W
R/W
Reg22
Reg23
Buffer full position
STEPTIM
STEPTIM
STEPTIM
R/W
R/W
R/W
R/W
Reg24
Reg21
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Time
Page 37
R/W
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