Samsung S5PC110 Manual page 587

S5PC110_UM
1.4.1.16 Memory Chip1 Status Register (Chip1Status, Read Only, Address=0xF000_004C, 0xF140_004C)
CHIP1STATUS
bank7_state [31:28]
bank6_state [27:24]
bank5_state [23:20]
bank4_state [19:16]
bank3_state [15:12]
bank2_state [11:8]
bank1_state
bank0_state
Bit
The current state of bank 7 of SDRAM chip1
The current state of bank 6 of SDRAM chip1
The current state of bank 5 of SDRAM chip1
The current state of bank 4 of SDRAM chip1
The current state of bank 3 of SDRAM chip1
The current state of bank 2 of SDRAM chip1
[7:4] The current state of bank 1 of SDRAM chip1
[3:0] The current state of bank 0 of SDRAM chip1
0x0 = Idle (precharged)
0x1 = MRS/EMRS
0x2 = Deep power down
0x3 = Self refresh
0x4 = Auto refresh
0x5 = Precharge power down
0x6 = Row active
0x7 = Active power down
0x8 = Write
0x9 = Write with auto precharge
0xA = Read
0xB = Read with auto precharge
0xC = Burst stop
0xD = Precharging
0xE = MRR
0xF = Reserved
Description
1 DRAM CONTROLLER
Initial
R/W
State
R 0x0
R 0x0
R 0x0
R 0x0
R 0x0
R 0x0
R 0x0
R 0x0
1-44