
GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
2000-2006 Genesys Logic Inc. - All rights reserved.
Page 4
TABLE OF CONTENTS
CHAPTER 1 GERERAL DESCRIPTION.................................................6
CHAPTER 2 FEATURES...........................................................................7
CHAPTER 3 PIN ASSIGNMENT..............................................................9
3.1
P
INOUTS
..................................................................................................9
3.2
P
IN
L
IST
................................................................................................ 11
3.3
P
IN
D
ESCRIPTIONS
................................................................................ 14
CHAPTER 4 REGISTERS........................................................................ 17
4.1
R
EGISTERS
B
ASE
A
DDRESS
................................................................... 17
4.2
R
EGISTER
D
ESCRIPTIONS
...................................................................... 21
4.3
R
EGISTER
M
APPING
.............................................................................. 64
4.3.1 Shading Mapping (Chunky for Single Bank).............................. 64
4.3.2 Shading Mapping (Chunky for Double Bank)............................ 64
4.3.3 Image Buffer Mapping................................................................. 65
CHAPTER 5 BLOCK DIAGRAM............................................................ 68
5.1
USB2.0
S
YSTEM
B
LOCK
D
IAGRAM
....................................................... 68
5.2
F
UNCTION
B
LOCK
D
IAGRAM
................................................................ 68
CHAPTER 6 FUNCTIONAL DESCRIPTION........................................ 69
CHAPTER 7 ELECTRICAL CHARACTERISTICS.............................. 81
7.1
A
BSOLUTE
M
AXIMUM
R
ATINGS
(V
OLTAGE
R
EFERENCED TO
GND) ... 81
7.2
DC
C
HARACTERISTICS
(D
IGITAL
P
INS
):
3.3
V
L
OGIC
C
ORE OR
P
ADS
. 81
7.3
DC
C
HARACTERISTICS
(D
IGITAL
P
INS
):
5.0
V
P
ADS
............................ 82
7.4
DC
C
HARACTERISTICS
(D+/D-)............................................................ 82
CHAPTER 8 PACKAGE DIMENSION................................................... 83