GL843 datasheet(4/84 Pages) GENESYS

4 / 84 page

GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x

Page 4

TABLE OF CONTENTS

CHAPTER 1

GERERAL DESCRIPTION.................................................6

CHAPTER 2

FEATURES ...........................................................................7

CHAPTER 3

PIN ASSIGNMENT ..............................................................9

3.1 PINOUTS ..................................................................................................9

3.2 PIN LIST ................................................................................................ 11

3.3 PIN DESCRIPTIONS ................................................................................ 14

CHAPTER 4

REGISTERS........................................................................ 17

4.1 REGISTERS BASE ADDRESS ................................................................... 17

4.2 REGISTER DESCRIPTIONS...................................................................... 21

4.3 REGISTER MAPPING.............................................................................. 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 SYSTEM BLOCK DIAGRAM ....................................................... 68

5.2 FUNCTION BLOCK DIAGRAM ................................................................ 68

CHAPTER 6

FUNCTIONAL DESCRIPTION ........................................ 69

CHAPTER 7

ELECTRICAL CHARACTERISTICS.............................. 81

7.1 ABSOLUTE MAXIMUM RATINGS (VOLTAGE REFERENCED TO GND) ... 81

7.2 DC CHARACTERISTICS (DIGITAL PINS): 3.3 V LOGIC CORE OR PADS . 81

7.3 DC CHARACTERISTICS (DIGITAL PINS): 5.0 V PADS ............................ 82

7.4 DC CHARACTERISTICS (D+/D-) ............................................................ 82

CHAPTER 8

PACKAGE DIMENSION................................................... 83

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