NXP Semiconductors /LPC43xx /EMC /DYNAMICCONFIG3

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Interpret as DYNAMICCONFIG3

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0RESERVED 0 (SDRAM)MD0RESERVED 0AM00RESERVED 0 (AM1)AM1 0RESERVED 0 (DISABLED)B0 (NONE)P0RESERVED

B=DISABLED, MD=SDRAM, P=NONE

Description

Selects the configuration information for dynamic memory chip select 0.

Fields

RESERVED

Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined.

MD

Memory device.

0 (SDRAM): SDRAM (POR reset value).

1 (RESERVED): Reserved.

2 (RESERVED): Reserved.

3 (RESERVED): Reserved.

RESERVED

Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined.

AM0

Address mapping. See Table 382. 000000 = reset value.[1]

RESERVED

Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined.

AM1

Address mapping See Table 382. 0 = reset value.

RESERVED

Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined.

B

Buffer enable.

0 (DISABLED): Disabled. Buffer disabled for accesses to this chip select (POR reset value).

1 (ENABLED): Enabled. Buffer enabled for accesses to this chip select. After configuration of the dynamic memory, the buffer must be enabled for normal operation. [2]

P

Write protect.

0 (NONE): None. Writes not protected (POR reset value).

1 (PROTECTED): Protected. Writes protected.

RESERVED

Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined.

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