Laptop User Manual
I/O PORTS    S3C2440A RISC MICROPROCESSOR 
9-38   
MSLCON (Memory Sleep Control Register) 
Select memory interface status when in SLEEP mode. 
Register Address R/W  Description  Reset Value 
MSLCON  0x560000cc  R/W  Memory Sleep Control Register  0x0 
MSLCON Bit  Description  Reset Value 
PSC_DATA  [11]  DATA[31:0] pin status in Sleep mode. 
0: Hi-Z  1: Output “0”. 
0 
PSC_WAIT  [10]  nWAIT pin status in Sleep mode. 
0: Input      1: Output “0” 
0 
PSC_RnB  [9]  RnB pin status in Sleep mode. 
0: Input      1: Output “0” 
0 
PSC_NF  [8]  NAND Flash I/F pin status in Sleep 
mode( nFCE,nFRE,nFWE,ALE,CLE). 
0: inactive(nFCE,nFRE,nFWE,ALE,CLE = 11100) 
1: Hi-Z 
0 
PSC_SDR  [7]  nSRAS, nSCAS pin status in Sleep mode. 
0: inactive(“1”)      1: Hi-Z 
0 
PSC_DQM  [6]  DQM[3:0]/nWE[3:0] pin status in Sleep mode. 
0: inactive      1: Hi-Z 
0 
PSC_OE  [5]  nOE pin status in Sleep mode. 
0: inactive(“1”)      1: Hi-Z 
0 
PSC_WE  [4]  nWE pin status in Sleep mode. 
0: inactive(“1”)      1: Hi-Z 
0 
PSC_GCS0  [3]  nGCS[0] pin status in Sleep mode. 
0: inactive(“1”)      1: Hi-Z 
0 
PSC_GCS51  [2]  nGCS[5:1] pin status in Sleep mode. 
0: inactive(“1”)      1: Hi-Z 
0 
PSC_GCS6  [1]  nGCS[6] pin status in Sleep mode. 
0: inactive(“1”)      1: Hi-Z 
0 
PSC_GCS7  [0]  nGCS[7] pin status in Sleep mode. 
0: inactive(“1”)      1: Hi-Z 
0 










