GL843 GENESYS [GENESYS LOGIC], GL843 Datasheet - Page 38

• Manufacturer Part Number: GL843
• Description: High Speed USB 2.0 With ADF 2-in-1 Scanner Controller
• Manufacturer: GENESYS [GENESYS LOGIC]

©2000-2006 Genesys Logic Inc. - All rights reserved.
Offset 36h …….……..……………………..………..….………..….…..…….…. Default value = 8’h00
Offset 37h …….……..……………………..………..….………..….…..…….…. Default value = 8’h00
Offset 38h …….……..……………………..………..….………..….……..……. Default value = 8’h2A
Offset 39h ……….…..……………………..………..….………..………………. Default value = 8’h30
Offset 3Ah
Offset 3Bh
MAXWD16 MAXWD15 MAXWD14 MAXWD13 MAXWD12 MAXWD11 MAXWD10 MAXWD9
7-0 MAXWD[16:9] Maximum word size per line for ASIC estimation. The unit is 2 words.
7-0 MAXWD[8:1] Maximum word size per line for ASIC estimation. The unit is 2 words.
LPERIOD15 LPERIOD14 LPERIOD13 LPERIOD12 LPERIOD11 LPERIOD10
7-0 LPERIOD[15:8] Line period (or exposure time) for CCD or CIS.
7-0 LPERIOD[7:0] Line period (or exposure time) for CCD or CIS.
7-1 RESERVED
FEWRDATA7 FEWRDATA6 FEWRDATA5 FEWRDATA4 FEWRDATA3 FEWRDATA2 FEWRDATA1 FEWRDATA0
7-0
LPERIOD7 LPERIOD6 LPERIOD5 LPERIOD4 LPERIOD3 LPERIOD2 LPERIOD1 LPERIOD0
MAXWD8 MAXWD7 MAXWD6 MAXWD5 MAXWD4 MAXWD3 MAXWD2 MAXWD1
0 FEWRDATA8 This port is for designers to write control register of front-end.
R/W
R/W
R/W
R/W
FEWRDATA[7:0]
W
X
X
GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
R/W
R/W
R/W
R/W
W
X
X
If available buffer size < MAXWD, then “buffer full” state will be set. The
scanner execute backtracking.
If available buffer size < MAXWD, then “buffer full” state will be set. The
scanner execute backtracking.
Note: It cannot be programmed to logic zero.
Note: It cannot be programmed to logic zero.
-
This port is for designers to write control register of front-end.
Unit : pixel count
Unit : pixel count
R/W
R/W
R/W
R/W
W
X
X
R/W
R/W
R/W
R/W
W
X
X
R/W
R/W
R/W
R/W
W
X
X
R/W
R/W
R/W
R/W
W
X
X
LPERIOD9 LPERIOD8
R/W
R/W
R/W
R/W
W
X
X
FEWRDATA8
Page 38
R/W
R/W
R/W
R/W
W
W