GL423 datasheet(4/32 Pages) GENESYS

4 / 32 page

GL422/GL423 USB 2.0 +SD/MMC-controller Combo Solution

Page 4

TABLE OF CONTENTS

CHAPTER 1

GENERAL DESCRIPTION.................................................7

1.1 USB INTERFACE......................................................................................8

1.2 CARD INTERFACE ..................................................................................8

1.3 FLASH ACCESS INTERFACE .....................................................................8

1.4 CONTROL LOGIC.....................................................................................8

1.5 EMBEDDED CPU .....................................................................................8

CHAPTER 2

FEATURES ...........................................................................9

2.1 USB 2.0 INTERFACE ................................................................................9

2.2 SD HOST INTERFACE ..............................................................................9

2.3 MMC HOST INTERFACE .........................................................................9

2.4 FLASH MEMORY INTERFACE ................................................................ 10

2.5 MICRO CONTROLLER AND ANALOG SYSTEM........................................ 10

2.6 PRODUCT PACKAGES ............................................................................ 10

2.7 TECHNOLOGY ....................................................................................... 10

2.8 MANUFACTURE ..................................................................................... 10

CHAPTER 3

PIN ASSIGNMENT ............................................................ 11

3.1 FUNCTION DESCRIPTION ....................................................................... 11

3.1.1 USB specification compliance ...................................................... 11

3.1.2 Integrated USB building blocks................................................... 11

3.1.3 Embedded 8051 micro-controller ................................................ 11

3.1.4 3.3V power source ........................................................................ 11

3.1.5 Memory Stick TM interface......................................................... 11

3.1.6 Secure Digital (SD) and Multi Media Card (MMC)................... 11

3.1.7 High efficient hardware engine.................................................... 12

3.1.8 Inter-Media transfer capability ................................................... 12

3.2 BLOCK DIAGRAM................................................................................... 12

3.2.1 UTM .............................................................................................. 12

3.2.2 SIE................................................................................................. 12

3.2.3 EPFIFO......................................................................................... 13

3.2.4 MHE.............................................................................................. 13

GL423 Datasheet(PDF) 4 Page - GENESYS LOGIC