S3C2440X datasheet(42/429 Pages) SAMSUNG

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S3C2440X Datasheet(PDF) 42 Page - Samsung semiconductor

Part #	S3C2440X

Description	16/32-bit RISC microprocessor

PDF	429 Pages

Scroll/Zoom	100%

Manufacturer	SAMSUNG [Samsung semiconductor]

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

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42 / 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.

S3C2440X RISC MICROPROCESSOR

MEMORY CONTROLLER

5-1

MEMORY CONTROLLER

OVERVIEW

The S3C2440X memory controller provides memory control signals that are required for external memory access.

The S3C2440X has the following features:

— Little/Big endian (selectable by a software)

— Address space: 128Mbytes per bank (total 1GB/8 banks)

— Programmable access size (8/16/32-bit) for all banks except bank0 (16/32-bit)

— Total 8 memory banks

Six memory banks for ROM, SRAM, etc.

Remaining two memory banks for ROM, SRAM, SDRAM, etc .

— Seven fixed memory bank start address

— One flexible memory bank start address and programmable bank size

— Programmable access cycles for all memory banks

— External wait to extend the bus cycles

— Supporting self-refresh and power down mode in SDRAM

Manufacturer	Part #	Datasheet	Description
Samsung semiconductor	S3C2400	2Mb / 488P	RISC MICROPROCESSOR
	S3C24A0	6Mb / 487P	APPLICATION PROCESSOR FOR 2.5G/3G MOBILE PHONES
	S3C24A0A	4Mb / 519P	32-BIT RISC MICROPROCESSOR

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