ARM ARM DUI 0224I manual Sdram register values, Address Register name Value Description Offset

Models: ARM DUI 0224I

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Programmer’s Reference

 

 

 

Table 4-47 SDRAM register values

 

 

 

 

Address

Register name

Value

Description

offset

 

 

 

 

 

 

 

+0x000

MPMCControl

0x1

Enabled

 

 

 

 

+0x008

MPMCConfig

0x0

Little Endian

 

 

 

 

+0x020

MPMCDynamicControl

0x3

MPMCCLKOUT runs

 

 

 

continuously, CKE high

 

 

 

 

+0x024

MPMCDynamicRefresh

0x22

544 cycles of HCLK between

 

 

 

refreshes

 

 

 

 

+0x028

MPMCDynamicReadConfig

0x111

command delayed strategy,

 

 

 

using MPMCCLKDELAY, data

 

 

 

capture on positive HCLK edge

 

 

 

 

+0x030

MPMCDynamictRP

0x2

42.86ns

 

 

 

 

+0x034

MPMCDynamictRAS

0x3

57.14ns

 

 

 

 

+0x038

MPMCDynamictSREX

0x5

85.71ns

 

 

 

 

+0x044

MPMCDynamictWR

0x4

71.43ns

 

 

 

 

+0x048

MPMCDynamictRC

0x5

85.71ns

 

 

 

 

+0x04c

MPMCDynamictRFC

0x5

85.71ns

 

 

 

 

+0x050

MPMCDynamictXSR

0x5

85.71ns

 

 

 

 

+0x054

MPMCDynamictRRD

0x1

28.57ns

 

 

 

 

+0x058

MPMCDynamictMRD

0x2

42.86ns

 

 

 

 

+0x05c

MPMCDynamictCDLR

0x1

28.57ns

 

 

 

 

+0x100

MPMCDynamicConfig0

0x5880

SDRAM32M16BRCX32

 

 

 

 

+0x104

MPMCDynamicRasCas0

0x202

CAS latency =2, RAS latency

 

 

 

=2

 

 

 

 

+0x120

MPMCDynamicConfig1

0x5880

SDRAM32M16BRCX32

 

 

 

 

+0x124

MPMCDynamicRasCas1

0x202

CAS latency =2, RAS latency

 

 

 

=2

 

 

 

 

+0x140

MPMCDynamicConfig2

0x5880

SDRAM32M16BRCX32

 

 

 

 

4-72

Copyright © 2003-2010 ARM Limited. All rights reserved.

ARM DUI 0224I

Page 238
Image 238
ARM ARM DUI 0224I Sdram register values, Address Register name Value Description Offset, Mpmcclkout runs, SDRAM32M16BRCX32