Table 7-10. External Memory Controller Register Summary; Register Reference - Sharp LH79524 User Manual

External Memory Controller

7.5 Register Reference

The base address for the EMC is 0xFFFF1000.
7.5.1 Memory Map
Table 7-10 Summarizes the EMC registers.
ADDRESS
OFFSET
0x000
0x004
0x008
0x00C to
0x01C
0x020
0x024
0x028
0x02C
0x030
0x034
0x038
0x03C
0x040
0x044
0x048
0x04C
0x050
0x054
0x058
0x05C to
0x07C
0x080
0x084 to
0x0FC
0x100
0x104
0x108 to
0x11C
0x120
0x124
0x128 to
0x1FC
7-28

Table 7-10. External Memory Controller Register Summary

REGISTER
CONTROL Control Register
STATUS Status Register
CONFIG Configuration Register
/// Reserved
DYNMCTRL Dynamic Memory Control Register
DYNMREF Dynamic Memory Refresh Timer
DYNRCON Dynamic Memory Read Configuration Register
/// Reserved
PRECHARGE Dynamic Memory Precharge Command Period
DYNM2PRE Dynamic Memory Active to Precharge Command Period
REFEXIT Dynamic Memory Self-Refresh Exit Time
DOACTIVE Dynamic Memory Last Data Out to Active Time
DIACTIVE Dynamic Memory Data-In to Active Command Time
DWRT Dynamic Memory Write Recovery Time
DYNACTCMD Dynamic Memory Active to Active Command Period
Dynamic Memory Auto-Refresh Period, and Auto-Refresh to
DYNAUTO
Active Command Period
DYNREFEXIT Dynamic Memory Exit Self-Refresh to Active Command Time
DYNACTIVEAB Dynamic Memory Active Bank A to Active Bank B Time
DYNAMICMRD Dynamic Memory Load Mode Register to Active Command Time
/// Reserved
WAIT Static Memory Extended Wait
/// Reserved
DYNCFG0 Dynamic Configuration Register for nDCS0
DYNRASCAS0 Dynamic Memory RAS and CAS Delay for nDCS0
/// Reserved
DYNCFG1 Dynamic Configuration Register for nDCS1
DYNRASCAS1 Dynamic Memory RAS and CAS Delay for nDCS1
/// Reserved
Version 1.0
LH79524/LH79525 User's Guide
DESCRIPTION