21.2-S3-C2410X-052003 Просмотр технического описания (PDF) - Samsung

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21.2-S3-C2410X-052003

32-Bit RISC Microprocessor

Samsung 

Table of Contents (Continued)

Chapter 6 NAND Flash Controller

Overview .................................................................................................................................................6-1

Features ..........................................................................................................................................6-1

Block Diagram.................................................................................................................................6-2

Operation Scheme ..........................................................................................................................6-2

Auto Boot Mode Sequence ..............................................................................................................6-3

Nand Flash Mode Configuration ......................................................................................................6-3

Nand Flash Memory Timing ............................................................................................................6-3

Pin Configuration.............................................................................................................................6-4

Boot and Nand Flash Configurations ...............................................................................................6-4

512-Byte ECC Parity Code Assignment Table .................................................................................6-4

Special Function Registers ......................................................................................................................6-6

Nand Flash Configuration (NFCONF) Register ................................................................................6-6

Nand Flash Command Set (NFCMD) Register.................................................................................6-7

Nand Flash Address Set (NFADDR) Register ..................................................................................6-7

Nand Flash Data (NFDATA) Register ..............................................................................................6-7

Nand Flash Operation Status (NFSTAT) Register............................................................................6-8

Nand Flash ECC (NFECC) Register ................................................................................................6-8

Chapter 7 Clock & Power Management

Overview .................................................................................................................................................7-1

Functional Description .............................................................................................................................7-2

Clock Architecture ...........................................................................................................................7-2

Clock Source Selection ...................................................................................................................7-2

Phase Locked Loop (PLL) ...............................................................................................................7-4

Clock Control Logic .........................................................................................................................7-6

Power Management ........................................................................................................................7-9

Clock Generator & Power Management Special Register.........................................................................7-19

Lock Time Count Register (LOCKTIME)..........................................................................................7-19

PLL Value Selection Table ..............................................................................................................7-20

Clock Control Register (CLKCON)...................................................................................................7-21

Clock Slow Control (CLKSLOW) Register........................................................................................7-22

Clock Divider Control (CLKDIVN) Register ......................................................................................7-22

S3C2410X MICROPROCESSOR

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