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NAND FLASH CONTROLLER
S3C2416 RISC MICROPROCESSOR
7-4
HCLK
nWE / nRE
DATA
DATA
TWRPH0
TWRPH1
Figure 7-4. nWE & nRE Timing (TWRPH0=0, TWRPH1=0) Block Diagram
7 NAND FLASH ACCESS
S3C2416 does not support NAND flash access mechanism directly. It only supports signal control mechanism for
NAND flash access. Therefore software is responsible for accessing NAND flash memory correctly.
1. Writing to the command register (NFCMMD) = the NAND Flash Memory command cycle
2. Writing to the address register (NFADDR) = the NAND Flash Memory address cycle
3. Writing to the data register (NFDATA) = write data to the NAND Flash Memory (write cycle)
4. Reading from the data register (NFDATA) = read data from the NAND Flash Memory (read cycle)
5. Reading main ECC registers and Spare ECC registers (NFMECCD0/1, NFSECCD) = read data from the
NAND Flash Memory
NOTE
In NAND flash access, you must check the RnB status input pin by polling the signal or using interrupt.
Содержание S3C2416
Страница 33: ...S3C2416X RISC MICROPROCESSOR PRODUCT OVERVIEW 1 5 3 BLOCK DIAGRAM Figure 1 1 S3C2416X Block Diagram ...
Страница 38: ...PRODUCT OVERVIEW S3C2416X RISC MICROPROCESSOR 1 10 153 AIN 1 U14 195 EINT 10 GPG2 K15 237 SDATA 14 C18 ...
Страница 122: ...BUS MATRIX EBI S3C2416X RISC MICROPROCESSOR 3 4 NOTES ...
Страница 204: ...DMA CONTROLLER S3C2416X RISC MICROPROCESSOR 8 18 NOTES ...
Страница 284: ...WATCHDOG TIMER S3C2416X RISC MICROPROCESSOR 11 6 NOTES ...
Страница 320: ...REAL TIME CLOCK S3C2416X RISC MICROPROCESSOR 13 16 NOTES ...
Страница 344: ...UART S3C2416X RISC MICROPROCESSOR 14 24 NOTES ...
Страница 380: ...USB2 0 DEVICE S3C2416X RISC MICROPROCESSOR 16 34 NOTES ...
Страница 432: ...2D S3C2416X RISC MICROPROCESSOR 18 38 NOTES ...
Страница 446: ...HS_SPI CONTROLLER S3C2416X RISC MICROPROCESSOR 19 14 NOTES ...
Страница 455: ...S3C2416X RISC MICROPROCESSOR HSMMC CONTROLLER 20 9 4 9 SD COMMAND ISSUE SEQUENCE Figure 20 9 Timeout Setting Sequence ...
Страница 604: ...S3C2416X RISC MICROPROCESSOR S3C2416X RISC MICROPROCESSOR 23 22 NOTES ...
Страница 638: ...PCM AUDIO INTERFACE S3C2416X RISC MICROPROCESSOR 25 18 NOTES ...
Страница 653: ...S3C2416X RISC MICROPROCESSOR ELECTRICAL DATA 26 15 Figure 26 14 SDRAM READ WRITE Timing Trp 2 Trcd 2 Tcl 2 DW 16 bit ...
Страница 670: ...ELECTRICAL DATA S3C2416X RISC MICROPROCESSOR 26 32 NOTES ...
Страница 672: ...MECHANICAL DATA S3C2416X RISC MICROPROCESSOR 30 2 Figure 27 2 330 FBGA 1414 Package Dimension 2 Bottom View ...