Pddmcon (Power Down Sdram Control Register) - Samsung S3C2416 User Manual

S3C2416 RISC MICROPROCESSOR

3.19 PDDMCON (Power Down SDRAM Control Register)

Register
PDDMCON
PDDMCON
Reserved
PSC_nSCLK
PSC_SCK
PSC_DQMH
PSC_DQML
PSC_DQS
PSC_nSWE
PSC_SDR
PSC_nSCS1
PSC_nSCS0
PSC_SDATAH
PSC_SDATAL
PSC_SADDR
Address R/W
0x56000114 R/W
Bit
[31:24] Reserved
nSCLK pin status (inactive :"1" )
[23:22]
00 = output 0
10 = Hi-Z
SCLK,SCKE pin status (inactive : "0")
[21:20]
00 = output 0
10 = Hi-Z
DQM[3:2]/GPA[26:25] pin status,
[19:18]
(inactive : DQM[3:2] = "00")
00 = output 0
10 = Hi-Z
DQM[1:0] pin status, (inactive : DQM[1:0] = "11")
[17:16]
00 = output 0
10 = Hi-Z
DQS[1:0] pin status (inactive : "0")
[15:14]
00 = output 0
10 = Hi-Z
nSWE pin status (inactive : "1")
[13:12]
00 = output 0
10 = Hi-Z
nSCAS, nSRAS pin status (inactive : "1")
[11:10]
00 = output 0
10 = Hi-Z
nSCS1 pin status (inactive : "1")
[9:8]
00 = output 0
10 = Hi-Z
nSCS0 pin status (inactive : "1")
[7:6]
00 = output 0
10 = Hi-Z
SDATA[31:16]/GPK[15:0] pin status (inactive : "0")
[5:4]
00 = output 0
10 = Hi-Z
SDATA[15:0] pin status (inactive : "0")
[3:2]
00 = output 0
10 = Hi-Z
SADDR[15:0] pin status (inactive : "0")
[1:0]
00 = output 0
10 = Hi-Z
Description
Memory I/F control register
Description
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
01 = output 1
11 = Not-Available
I/O PORTS
Reset Value
0x00411540
Reset Value
0x0
01
00
00
01
00
01
01
01
01
00
00
00
10-41