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2-32 Intel® PXA255 Processor Developer’s Manual
System Architecture
0x4800_0000 MDCNFG SDRAM Configuration Register 0
0x4800_0004 MDREFR SDRAM Refresh Control Register
0x4800_0008 MSC0 Static Memory Control Register 0
0x4800_000C MSC1 Static Memory Control Register 1
0x4800_0010 MSC2 Static Memory Control Register 2
0x4800_0014 MECR
Expansion Memory (PCMCIA/Compact Flash) Bus Configuration
Register
0x4800_001C SXCNFG Synchronous Static Memory Control Register
0x4800_0024 SXMRS MRS value to be written to SMROM
0x4800_0028 MCMEM0 Card interface Common Memory Space Socket 0 Timing Configuration
0x4800_002C MCMEM1 Card interface Common Memory Space Socket 1 Timing Configuration
0x4800_0030 MCATT0 Card interface Attribute Space Socket 0 Timing Configuration
0x4800_0034 MCATT1 Card interface Attribute Space Socket 1 Timing Configuration
0x4800_0038 MCIO0 Card interface I/O Space Socket 0 Timing Configuration
0x4800_003C MCIO1 Card interface I/O Space Socket 1 Timing Configuration
0x4800_0040 MDMRS MRS value to be written to SDRAM
0x4800_0044 BOOT_DEF
Read-only Boot-Time Register. Contains BOOT_SEL and PKG SEL
values.
0x4800_0058 MDMRSLP Low Power SDRAM Mode Register Set Configuration Register
0x4800_0064 SA1111CR SA1111 Compatibility Register
Table 2-8. System Architecture Register Address Summary (Sheet 12 of 12)
Unit Address Register Symbol Register Description