ELANSC520 datasheet(119/440 Pages) AMD

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General-Purpose Bus Controller Registers

Élan™SC520 Microcontroller Register Set Manual

10-3

GP Chip Select Data Width (GPCSDW)

Memory-Mapped

MMCR Offset C01h

This register is used to select the default data width for each of the eight GP bus chip selects.

Bit Definitions

Bit

GPCS7_

GPCS6_

GPCS5_

GPCS4_

GPCS3_

GPCS2_

GPCS1_

GPCS0_

Reset

00000000

R/W

Bit

Name

Function

GPCS7_DW

Data Width Select for GPCS7

This bit is used to select the default data width for the GP bus chip select 7 signal.

0 = 8-bit data

1 = 16-bit data

GPCS6_DW

Data Width Select for GPCS6

This bit is used to select the default data width for the GP bus chip select 6 signal.

0 = 8-bit data

1 = 16-bit data

GPCS5_DW

Data Width Select for GPCS5

This bit is used to select the default data width for the GP bus chip select 5 signal.

0 = 8-bit data

1 = 16-bit data

GPCS4_DW

Data Width Select for GPCS4

This bit is used to select the default data width for the GP bus chip select 4 signal.

0 = 8-bit data

1 = 16-bit data

GPCS3_DW

Data Width Select for GPCS3

This bit is used to select the default data width for the GP bus chip select 3 signal.

0 = 8-bit data

1 = 16-bit data

GPCS2_DW

Data Width Select for GPCS2

This bit is used to select the default data width for the GP bus chip select 2 signal.

0 = 8-bit data

1 = 16-bit data

GPCS1_DW

Data Width Select for GPCS1

This bit is used to select the default data width for the GP bus chip select 1 signal.

0 = 8-bit data

1 = 16-bit data

GPCS0_DW

Data Width Select for GPCS0

This bit is used to select the default data width for the GP bus chip select 0 signal.

0 = 8-bit data

1 = 16-bit data

ELANSC520 Datasheet(PDF) 119 Page - Advanced Micro Devices

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