GL842 Datasheet, PDF (4/64 Pages) GENESYS LOGIC – USB 2.0 2-in-1 Scanner Controller

GL842 USB 2.0 2-in-1 Scanner Controller
TABLE OF CONTENTS
CHAPTER 1 GERERAL DESCRIPTION........................................................................ 6
CHAPTER 2 FEATURES ................................................................................................... 7
CHAPTER 3 PIN ASSIGNMENT...................................................................................... 8
3.1 PINOUTS ......................................................................................................................... 8
3.2 PIN LIST.......................................................................................................................... 9
3.3 PIN DESCRIPTIONS ....................................................................................................... 10
CHAPTER 4 REGISTERS ............................................................................................... 14
4.1 REGISTERS BASE ADDRESS.......................................................................................... 14
4.2 REGISTER DESCRIPTIONS ............................................................................................ 18
4.3 REGISTER MAPPING .................................................................................................... 52
4.3.1 Shading Mapping (Chunky for Single Bank)................................................... 52
4.3.2 Shading Mapping (Planer)................................................................................. 52
4.3.3 Slope Curve Table Mapping .............................................................................. 53
4.3.4 Image Buffer Mapping ....................................................................................... 53
CHAPTER 5 BLOCK DIAGRAM................................................................................... 54
5.1 USB2.0 SYSTEM BLOCK DIAGRAM............................................................................. 54
5.2 FUNCTION BLOCK DIAGRAM....................................................................................... 54
CHAPTER 6 FUNCTIONAL DESCRIPTION............................................................... 55
CHAPTER 7 ELECTRICAL CHARACTERISTICS .................................................... 62
7.1 ABSOLUTE MAXIMUM RATINGS (VOLTAGE REFERENCED TO GND)........................ 62
7.2 DC CHARACTERISTICS (DIGITAL PINS): 3.3 V LOGIC CORE OR PADS..................... 62
7.3 DC CHARACTERISTICS (DIGITAL PINS): 5.0 V PADS................................................. 63
7.4 DC CHARACTERISTICS (D+/D-) .................................................................................. 63
CHAPTER 8 PACKAGE DIMENSION.......................................................................... 64
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