S3C2440X datasheet(73/429 Pages) SAMSUNG

Part #	S3C2440X

Description	16/32-bit RISC microprocessor

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Manufacturer	SAMSUNG [Samsung semiconductor]

Direct Link	http://www.samsung.com/Products/Semiconductor

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73 / 429 page

2003.09.25

Preliminary product information describes products that are in development,

for which full characterization data and associated errata are not yet available

Specifications and information herein are subject to change without notice.

NAND FLASH CONTROLLER

S3C2440X RISC MICROPROCESSOR

6-12

AdvFlash (Read only)

[3]

Advance NAND flash memory for auto-booting

0: Support 256 or 512 byte/page NAND flash memory

1: Support 1024 or 2048 byte/page NAND flash memory

This bit is determined by NCON0 pin status during reset

and wake-up from sleep mode.

H/W Set

(NCON0)

PageSize (Read only)

[2]

NAND flash memory page size for auto-booting

AdvFlash PageSize

When AdvFlash is 0,

0: 256 Bytes/page,

1: 512 Bytes/page

When AdvFlash is 1,

0: 1024 Bytes/page,

1: 2048 Bytes/page

This bit is determined by GPG13 pin status during reset

and wake-up from sleep mode.

After reset, the GPG13 can be used as general I/O port

or External interrupt.

H/W Set

(GPG13)

AddrCycle (Read only)

[1]

NAND flash memory Address cycle for auto-booting

AdvFlash AddrCycle

When AdvFlash is 0,

0: 3 address cycle

1: 4 address cycle

When AdvFlash is 1,

0: 4 address cycle

1: 5 address cycle

This bit is determined by GPG14pin status during reset

and wake-up from sleep mode.

After reset, the GPG14can be used as general I/O port or

External interrupt.

H/W Set

(GPG14)

BusWidth (R/W)

[0]

NAND Flash Memory I/O bus width for auto-booting and

general access.

0: 8-bit bus

1: 16-bit bus

This bit is determined by GPG15 pin status during reset

and wake-up from sleep mode.

After reset, the GPG15 can be used as general I/O port or

External interrupt.

This bit can be changed by software.

H/W Set

(GPG15)

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