GL842 datasheet(19/64 Pages) GENESYS

19 / 64 page

GL842 USB 2.0 2-in-1 Scanner Controller

Page 19

Offset 03h ……………………………………………..…………..……………. Default value = 8’h0C

LAMPDOG AVEENB

XPASEL LAMPPWR LAMPTIM3 LAMPTIM2 LAMPTIM1 LAMPTIM0

R/W

7 LAMPDOG

0 To disable lamp sleeping mode.

1 To start lamp sleeping mode(default on).

6 AVEENB

0 Select dpi deletion function

1 Select dpi average function.

5 XPASEL

0 Select flatbed lamp on.

1 Select transparency lamp on.

4 LAMPPWR

0 Turn off LAMP power.

1 Turn on LAMP power.

3-0 LAMPTIM[3:0] Lamp on time setting (default: 4).

The unit is minute.

Offset 04h ……………………………………………..…………..………..…… Default value = 8’h00

LINEART

BITSET

AFEMOD1 AFEMOD0 FILTER1

FILTER0

FESET1

FESET0

R/W

7 LINEART

0 Color/Gray scan.

1 Black/White scan.

6 BITSET

0 8 bits image data type (= byte).

1 16 bits image data type (= word).

5-4 AFEMOD[1:0] To indicate AFE operation mode.

Wolfson Type

AFEMOD SCANMOD

Description

CDS

Available

Max Sample Rate

Timing

Requirements

Slow color

Pixel-by-pixel

Yes

5MSPS *3 channel

MCLK:VSMP

Rate is 8:1

0,1,3,4,5,6 Color pixel-by-pixel

Yes

6.67MSPS *3 channel

MCLK:VSMP

Rate is 6:1

0,1,4,5,6 Fast Mono

Yes

13.3MSPS *1 channel

MCLK:VSMP

Rate is 3:1

Analog Device Type

AFEMOD SCANMOD

Description

CDS

Available

Max Sample Rate

Timing

Requirements

0,1,4,5,6

Slow color

Pixel-by-pixel

Yes

MCLK:VSMP

Rate is 3:1

0,1,2,3,4,5,6 Mono

Yes

MCLK:VSMP

Rate is 2:1

0,1,2,3,4,5,6 Fast Mono

Yes

MCLK:VSMP

Rate is 1:1

3-2 FILTER[1:0]

Scan color type:

00 Color

01 R

10 G

11 B

1-0 FESET[1:0]

Front end operation type:

00 ESIC type 1

01 ESIC type2

10 ADI type

11 Reserved

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