S3C2440X datasheet(59/429 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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59 / 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.

MEMORY CONTROLLER

S3C2440X RISC MICROPROCESSOR

5-18

BANKSIZE REGISTER

Register

Address

R/W

Description

Reset Value

BANKSIZE

0x48000028

R/W

Flexible bank size register

0x0

BANKSIZE

Bit

Description

Initial State

BURST_EN

[7]

ARM core burst operation enable.

0 = Disable burst operation.

1 = Enable burst operation.

0

Reserved

[6]

Not used

0

SCKE_EN

[5]

SDRAM power down mode enable control by SCKE

0 = SDRAM power down mode disable

1 = SDRAM power down mode enable

0

SCLK_EN

[4]

SCLK is enabled only during SDRAM access cycle for

reducing power consumption. When SDRAM is not accessed,

SCLK becomes 'L' level.

0 = SCLK is always active.

1 = SCLK is active only during the access (recommended).

0

Reserved

[3]

Not used

0

BK76MAP

[2:0]

BANK6/7 memory map

010 = 128MB/128MB

001 = 64MB/64MB

000 = 32M/32M

111 = 16M/16M

110 = 8M/8M

101 = 4M/4M

100 = 2M/2M

010

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