GL848 datasheet(30/85 Pages) GENESYS

30 / 85 page

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

Page 30

7 SW2SET

Set CCD SW2 output for special CCD control.

SW1SET

Set CCD SW1 output for special CCD control.

5 MANUAL3

CCD Clock 3,Clock4 automatic output.

CCD Clock 3,Clock4 manual output.

4 MANUAL1

CCD Clock 1,Clock2 automatic output.

CCD Clock 1,Clock2 manual output.

3 CK4INV

Don’t reverse.

To reverse CCD Clock4.

2 CK3INV

Don’t reverse.

To reverse CCD Clock 3.

1 LINECLP

To select CCD pixel clamping.

To select CCD line clamping.

Offset 1Bh ……..……………………………………..…………..……..……..…. Default value = 8’h00

GRAYSET CHANSEL

BGRENB

ICGENB

ICGDLY3

ICGDLY2

ICGDLY1

ICGDLY0

R/W

GRAYSET

Select single channel output.

Select two channel output.

CHANSEL

Fast true gray latch is 2 and 3 position.

Fast true gray latch is 1 and 2 position.

BGRENB

The order is R-G-B.

The order of latching A/D data is B-G-R.

4 ICGENB

To disable ICG control.

To enable CCD shutter control signal ICG.

3-0 ICGDLY [3:0]

CCD ICG delay for rising/falling edge.

Offset 1Ch ……..……………………………………..…………..…....………. Default value = 8’h00

CK4MTGL CK3MTGL CK1MTGL

CKAREA

MTLWD

TGTIME2

TGTIME1

TGTIME0

R/W

7 CK4MTGL

Disable toggle function in CCD clock 4.

Enable toggle function in CCD clock 4.

6 CK3MTGL

Disable toggle function in CCD clock 3.

Enable toggle function in CCD clock 3.

5 CK1MTGL

Disable toggle function in CCD clock 1 & 2.

Enable toggle function in CCD clock 1 &2.

4 CKAREA

This function is disabled.

CCD clock speed depends on CKSEL in scan area and DCKSEL in non-scan area.

3 MTLWD

Set the watchdog time-out as WDTIME[3:0].

Set the watchdog time-out as WDTIME[3:0] * 2.

2-0 TGTIME [2:0] CCD line period selection.

000

1*LPERIOD(Reg38,Reg39)

001

2*LPERIOD

GL848 Datasheet(PDF) 30 Page - GENESYS LOGIC

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