GL848 datasheet(57/85 Pages) GENESYS

57 / 85 page

GL848 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF

Page 57

ONDUR7

ONDUR6

ONDUR5

ONDUR4

ONDUR3

ONDUR2

ONDUR1

ONDUR0

R/W

7-0 ONDUR [7:0]

On duration (in system clock) of PWM for LAMP control.

Offset 9Ah ……..……..………………....………..…………..….………..…..…. Default value = 8’h00

OFFDUR15 OFFDUR14 OFFDUR13 OFFDUR12 OFFDUR11 OFFDUR10 OFFDUR9

OFFDUR8

R/W

7-0 OFFDUR [15:8] Off duration (in system clock) of PWM for LAMP control.

Offset 9Bh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00

OFFDUR7

OFFDUR6

OFFDUR5

OFFDUR4

OFFDUR3

OFFDUR2

OFFDUR1

OFFDUR0

R/W

7-0 OFFDUR [7:0] Off duration (in system clock) of PWM for LAMP control.

Offset 9Dh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00

RAMDLY1 RAMDLY0 MOTLAG

STEPTIM2 STEPTIM1 STEPTIM0

R/W

7-6 RAMDLY [1:0] Select timing delay for SCLK of SDRAM.

5 MOTLAG

Do not force the trigger position of motor trigger.

Force motor to locate its trigger at the end of line when dummy lines function

is activated.

3-1 STEPTIM [2:0] Select the multiplier of slope table. For Reg 21, 24, 5F, 69, 6A, the real slope

steps are register values multiplied by STEPTIM.

STEPTIM[2:0]

=000 : Slope steps = register values

=001 : Slope steps = register values * 2

=010 : Slope steps = register values * 4

=011 : Slope steps = register values * 8

=100 : Slope steps = register values * 16

=101 : Slope steps = register values * 32

Offset 9Eh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00

TGSTIME2 TGSTIME1 TGSTIME0 TGWTIME2 TGWTIME1 TGWTIME0

R/W

7-6 RESERVED

5-3 TGSTIME [2:0]

To set the times of TGSHLD[4:0] . So , the width is TGSHLD[4:0]* 2

TGSTIME

2-0 TGWTIME [2:0] To set

the times of TGW[5:0] . So, the width is TGW [5:0]* 2

TGWTIME

Offset 9Fh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00

FULLPAGE AUTOADF

MOTMPU

MULDMYLN

DPI9600

R/W

FULLPAGE

To select general operation of motor when the Start/Stop occurs

To enable full-page operation of motor during ADF scanning

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