S3C24A0A 데이터 시트보기 (PDF) - Samsung

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S3C24A0A

32-BIT RISC MICROPROCESSOR

Samsung 

Table of Contents (Continued)

Chapter 3

SDRAM Controller

Overview ....................................................................................................................................................... 3-1

Selection of SDRAM ..................................................................................................................................... 3-2

Selection of SDRAM ..................................................................................................................................... 3-2

SELF Refresh....................................................................................................................................... 3-2

SDRAM Initialization Sequence ........................................................................................................... 3-3

SDRAM Configuration Register.................................................................................................................... 3-6

SDRAM Control Register ..................................................................................................................... 3-7

Refresh Control Register ..................................................................................................................... 3-8

Chapter 4

NAND Flash Controller

Overview ....................................................................................................................................................... 4-1

Features ............................................................................................................................................... 4-1

Pin Configuration ................................................................................................................................. 4-2

Block Diagram .............................................................................................................................................. 4-3

Boot Loader Function ................................................................................................................................... 4-4

Auto Load Mode ........................................................................................................................................... 4-6

Auto Load Programming Guide ........................................................................................................... 4-6

Auto Store Mode........................................................................................................................................... 4-7

Auto Store Programming Guide........................................................................................................... 4-7

Software Mode.............................................................................................................................................. 4-8

Stepping Stone (4K-Byte SRAM) ................................................................................................................. 4-9

Error Correction Code .................................................................................................................................. 4-9

ECC Module Features ......................................................................................................................... 4-10

ECC Programming Guide .................................................................................................................... 4-10

NAND Flash Memory Configurations ........................................................................................................... 4-11

NAND Flash Controller Special Registers.................................................................................................... 4-13

Configuration Register ......................................................................................................................... 4-13

Control Register ................................................................................................................................... 4-14

Command Register .............................................................................................................................. 4-15

Address Register ................................................................................................................................. 4-15

Main Data Area ECC0 Register ........................................................................................................... 4-16

Main Data Area ECC1 Register ........................................................................................................... 4-16

Main Data Area ECC2 Register ........................................................................................................... 4-16

Main Data Area ECC3 Register ........................................................................................................... 4-17

Spare Area ECC0 Register................................................................................................................. 4-17

Spare Area ECC1 Register.................................................................................................................. 4-17

Control Status Register........................................................................................................................ 4-18

ECC0 Status Register.......................................................................................................................... 4-19

ECC1 Status Register.......................................................................................................................... 4-19

Main Data Area ECC0 Status Register................................................................................................ 4-20

Main Data Area ECC1 Status Register................................................................................................ 4-20

Spare Area ECC Status Register ........................................................................................................ 4-20

Start Block Address Register ............................................................................................................... 4-21

END Block Address Register ............................................................................................................... 4-21

iv

S3C24A0A MICROPROCESSOR

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