GL842 datasheet(35/64 Pages) GENESYS

35 / 64 page

GL842 USB 2.0 2-in-1 Scanner Controller

Page 35

Offset 41h

PWRBIT BUFEMPTY FEEDFSH SCANFSH HOMESNR LAMPSTS

FEBUSY MOTORENB

7 PWRBIT

To indicate power status.

Power on initial,PWRBIT=0;

6 BUFEMPTY

0 To indicate that the image buffer is not empty.

1 To indicate that the image buffer is empty.

5 FEEDFSH

0 To indicate that motor feeding is not finished.

1 To indicate that motor feeding is finished.

4 SCANFSH

0 To indicate that scan is not finished.

1 To indicate that scan is finished.

3 HOMESNR

0 Home sensor is on (is not home position).

1 Home sensor is off (is home position).

2 LAMPSTS

0 Lamp is off.

1 Lamp is on.

1 FEBUSY

0 Front end is ready and be able to read/write again.

1 Front end is busy and can not read/write again.

0 MOTORENB

0 Motor is not processing.

1 Motor is processing.

Offset 42h

VALIDWORD

7-4 RESERVED

3-0 VALIDWORD

To indicate available words to read out in the image buffer of DRAM.

[19:16]

Offset 43h

VALIDWORD

7-0 VALIDWORD

To indicate available words to read out in the image buffer of DRAM.

[15:9]

Offset 44h

VALIDWORD

7-0 VALIDWORD

To indicate available words to read out in the image buffer of DRAM.

[7:0]

GL842 Datasheet(PDF) 35 Page - GENESYS LOGIC

GL842 Datasheet(HTML) 35 Page - GENESYS LOGIC

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64

Datasheet Download

Link URL