ARM ARM DUI 0224I Computer Hardware User Manual


 
Programmer’s Reference
4-72 Copyright © 2003-2007 ARM Limited. All rights reserved. ARM DUI 0224F
Table 4-47 SDRAM register values
Address
offset
Register name Value Description
+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