Samsung S3C2451X User Manual page 306

I/O PORTS
PDSMCON (Power Down SRAM Control Register)
Register
PDSMCON
PDSMCON
Reserved
PSC_CF1
PSC_CF0
PSC_NF1
PSC_NF0
PSC_nRWE
PSC_nROE
PSC_RSM
PSC_nRBE
PSC_nRCS51
PSC_nRCS0
PSC_RDATA
PSC_RADDRH
11-50
Address R/W
0x56000118 R/W
Description
Bit
[31:28] Reserved
[27:26] nREG_CF, nOE_CF, nWE_CF (inactive : "1")
00 = output 0 01 = output 1
10 = Hi-Z
[25:24] CARD_PWREN, RESET_CF
00 = output 0 01 = output 1
10 = Hi-Z
nFCE, nFRE, nFWE pin status
[23:22]
00 = output 0 01 = output 1
10 = Hi-Z
ALC, CLE pin status
[21:20]
00 = output 0 01 = output 1
10 = Hi-Z
nRWE pin status
[19:18]
00 = output 0 01 = output 1
10 = Hi-Z
nROE pin status
[17:16]
00 = output 0 01 = output 1
10 = Hi-Z
RSMCLK,RSMAVD pin status
[15:14]
00 = output 0 01 = output 1
10 = Hi-Z
nRBE[1:0] pin status
[13:12]
00 = output 0 01 = output 1
10 = Hi-Z
nRCS51 pin status
[11:10]
00 = output 0 01 = output 1
10 = Hi-Z
nRCS0 pin status
[9:8]
00 = output 0 01 = output 1
10 = Hi-Z
RDATA[15:0] pin status
[7:6]
00 = output 0 01 = output 1
10 = Hi-Z
RADDR[25:16] pin status
[5:4]
00 = output 0 01 = output 1
10 = Hi-Z
Description
Memory I/F control register
11 = Not-Available
(inactive : "1")
11 = Not-Available
11 = Not-Available
(inactive : "0")
11 = Not-Available
(inactive : "1")
11 = Not-Available
(inactive : "1")
11 = Not-Available
11 = Not-Available
(inactive : "1")
11 = Not-Available
(inactive : "1")
11 = Not-Available
(inactive : "1")
11 = Not-Available
(inactive : "0")
11 = Not-Available
(inactive : "0")
11 = Not-Available
S3C2451X RISC MICROPROCESSOR
(inactive : "1")
(inactive : "0")
Reset Value
0x05451500
Reset Value
0x0
01
01
01
00
01
01
00
01
01
01
00
00