Samsung S5PC100 User Manual page 251

Power Management
10.1.3 Configure Power Manager at Normal Mode (NORMAL_CFG, R/W, Address = 0xE010_8010)
NORMAL_CFG
Reserved
Reserved
Reserved
AUDIO
TV
LCD
G3D
MFC
Reserved
Note. When NORMAL_CFG[3](LCD) is set to 0, LPMP3_MODE_SEL(bit[0]) in LPMP3_MODE_SEL in
Chapter 2.3. Clock Controller is recommended to be set to 1 in order to minimize the internal current.
10.1.4 Configure Power Manager at STOP mode (STOP_CFG, R/W, Address = 0xE010_8014)
STOP_CFG
TOP_MEMORY_ON
Reserved
ARM_L2CACHE_RET
Reserved
Reserved
Reserved
(3)
ARM_LOGIC_ON
Reserved
TOP_LOGIC_ON
Reserved
(4)
OSC_EN_STOP
2.4-52
Bit
[31:24] Reserved
[23:8] DO NOT CHANGE
[7:6] DO NOT CHANGE
Audio Sub-system : I2S0, SRAM (128 KB)
[5]
0 = LP mode(OFF), 1 = active mode(ON)
TV Sub-system : HDMI, MIXER, VP, TVEncoder
[4]
0 = LP mode(OFF), 1 = active mode(ON)
LCD Sub-system : CAMIF, DISPCON, G2D, JPEG,
MIPI_CSI, MIPI_DSI, ROTATOR
[3]
0 = LP mode(OFF), 1 = Active mode(ON)
[2] 0 = LP mode(OFF), 1 = Active mode(ON)
[1] 0 = LP mode(OFF), 1 = Active mode(ON)
[0] DO NOT CHANGE
Bit
If TOP_LOGIC_ON = 0, you should set this bit to 0.
(1)
[31]
0 = RET or OFF, 1 = ON
[30] DO NOT CHANGE
0 = No Retention(On or OFF),
(2)
[29]
1 = Retention
[28:21] DO NOT CHANGE
[20] DO NOT CHANGE
[19:18] DO NOT CHANGE
[17] 0 = LP mode(OFF), 1 = Active mode(ON)
[16:9] DO NOT CHANGE
This bit has no effect if ARM_LOGIC_ON = 1.
[8]
0 = LP mode(Retention), 1 = Active mode(ON)
[7:1] DO NOT CHANGE
Control all X-tal oscillator pads, i.e., main X-tal
oscillator(XXTI), 27M X-tal oscillator(XXTI27), and USB X-
tal oscillator(XusbXTI) in STOP mode
[0]
0 = Disable
1 = Enable
S5PC100 USER'S MANUAL (REV1.0)
Description
Description
Reset Value
0x00
0xFFFF
0x3
1
1
1
1
1
1
Reset Value
0
0
1
0x0
1
0
1
0x0
1
0x0
0