Preliminary
S3C2451X RISC MICROPROCESSOR
PRODUCT OVERVIEW
1-37
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Table 1-7. S3C2451X Special Registers
Register Name
Address
Reset Value
Acc.
Unit
Read/
Write
Function
DRAM Controller
BANKCFG
0x48000000 0x00099F0D W R/W
Mobile
DRAM configuration register
BANKCON1
0x48000004
0x00000008
W
R/W
Mobile DRAM control register
BANKCON2
0x48000008 0x00000008 W R/W
Mobile
DRAM timing control register
BANKCON3 0x4800000C
0x00000008
W
R/W
Mobile DRAM (E)MRS Register
REFRESH
0x48000010 0x00000020 W R/W
Mobile
DRAM
refresh control register
TIMEOUT 0x48000014
0x00000000
W
R/W
Write
Buffer Time out control register
MATRIX & EBI
BPRIORITY0 0X4E800000
0x0000_0004
W
R/W
Matrix
Core 0 priority control register
BPRIORITY1
0X4E800004
0x0000_0004
W
R/W
Matrix Core 1 priority control register
EBICON 0X4E800008
0x0000_0004
W
R/W
EBI control register
Memory Controllers ( SSMC )
SMBIDCYR0 0x4F000000
0x0000000F
W
R/W
Bank0
idle cycle control register
SMBIDCYR1 0x4F000020
0x0000000F
W
R/W
Bank1
idle cycle control register
SMBIDCYR2
0x4F000040 0x0000000F W R/W Bank2
idle cycle control register
SMBIDCYR3 0x4F000060
0x0000000F
W
R/W
Bank3
idle cycle control register
SMBIDCYR4
0x4F000080 0x0000000F W R/W Bank4
idle cycle control register
SMBIDCYR5 0x4F0000A0
0x0000000F
W
R/W
Bank5 idle cycle control register
SMBWSTRDR0
0x4F000004 0x0000001F W R/W
Bank0
read
wait state control register
SMBWSTRDR1 0x4F000024 0x0000001F W
R/W
Bank1
read wait state control register
SMBWSTRDR2
0x4F000044
0x0000001F
W
R/W
Bank2 read wait state control register
SMBWSTRDR3 0x4F000064 0x0000001F W
R/W
Bank3
read wait state control register
SMBWSTRDR4
0x4F000084
0x0000001F
W
R/W
Bank4 read wait state control register
SMBWSTRDR5 0x4F0000A4 0x0000001F W
R/W
Bank5
read wait state control register
SMBWSTWRR0
0x4F000008 0x0000001F W R/W
Bank0
write
wait state control register
SMBWSTWRR1 0x4F000028 0x0000001F W R/W
Bank1
write wait state control register
SMBWSTWRR2
0x4F000048 0x0000001F W R/W
Bank2
write
wait state control register
SMBWSTWRR3 0x4F000068 0x0000001F W R/W
Bank3
write wait state control register
SMBWSTWRR4
0x4F000088 0x0000001F W R/W
Bank4
write
wait state control register
SMBWSTWRR5 0x4F0000A8 0x0000001F W R/W
Bank5
write wait state control register
SMBWSTOENR0
0x4F00000C 0x00000002 W R/W
Bank0 output enable assertion delay
control register
SMBWSTOENR1 0x4F00002C 0x00000002 W R/W
Bank1 output enable assertion delay
control register
SMBWSTOENR2
0x4F00004C 0x00000002 W R/W
Bank2 output enable assertion delay
control register