GL424 datasheet(4/34 Pages) GENESYS

4 / 34 page

GL424 SD/MMC Flash Card Controller

Page 4

TABLE OF CONTENTS

CHAPTER 1

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

1.1 CARD INTERFACE..................................................................................... 8

1.2 FLASH ACCESS INTERFACE ....................................................................... 8

1.3 EMBEDDED CPU ........................................................................................ 8

CHAPTER 2

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

2.1 SD HOST INTERFACE ................................................................................. 9

2.2 MMC HOST INTERFACE............................................................................ 9

2.3 FLASH MEMORY INTERFACE..................................................................... 9

2.4 MICRO CONTROLLER AND ANALOG SYSTEM ......................................... 10

2.5 8KV-ESD PROTECTION ........................................................................... 10

2.6 DUAL CHANNEL FLASH TO REACH TOP READ/WRITE SPEED.............. 10

2.7 DUAL VOLTAGE APPLICATION ................................................................. 10

2.8 PRODUCT PACKAGES ............................................................................... 10

2.9 TECHNOLOGY........................................................................................... 10

2.10 MANUFACTURE ...................................................................................... 10

CHAPTER 3

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

3.1 PINOUT ..................................................................................................... 11

3.2 PIN DESCRIPTIONS ................................................................................... 16

3.2.1 Regulator Interface ......................................................................... 16

3.2.2 Card Interface ................................................................................. 18

3.2.3 Flash Interface................................................................................. 21

3.2.4 System Interface.............................................................................. 24

3.2.5 Test Interface................................................................................... 27

CHAPTER 4

ELECTRICAL CHARACTERISTICS............................... 28

4.1 ABSOLUTE MAXIMUM RATINGS .............................................................. 28

4.2 BUS OPERATING CONDITIONS ................................................................. 28

4.3 D.C. CHARACTERISTICS .......................................................................... 28

CHAPTER 5

PACKAGE DIMENSION..................................................... 30

CHAPTER 6

ORDERING INFORMATION ............................................ 34

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