Samsung S5PC110 Manual page 902

S5PC110_UM
5.8.2 USB PHY CONTROL REGISTERS
5.8.2.1 USB PHY Power Control Register (UPHYPWR, R/W, Address = 0xEC10_0000)
UPHYPWR
Reserved
Reserved
Analog
_powerdown1
force_suspend1
Reserved
otg_disable_0
Analog
_powerdown_0
Reserved
force_suspend_0
Bit
[31:9] -
[8] Reserved, but should be 0x1
[7] USBPHY1, Analog block power down
1'b0: Analog block power up (Normal Operation)
•
1'b1: Analog block power down
•
[6] USBPHY1, Apply Suspend signal to save power
1'b0: Disables (Normal Operation)
•
1'b1: Enables
•
[5] Reserved, but should be 0x1
[4] USBPHY0, OTG block power down
1'b0: OTG block power up
•
1'b1: OTG block power down
•
If the application does not use OTG functionality, you can
set this input high to save power.
[3] USBPHY0, Analog block power down
1'b0: Analog block power up (Normal Operation)
•
1'b1: Analog block power down
•
[2:1] -
[0] USBPHY0, Apply Suspend signal for to save power save
1'b0: Disables (Normal Operation)
•
1'b1: Enables
•
Description
5 USB2.0 HS OTG
R/W Initial State
- 23'b0
- 1'b1
R/W 1'b1
R/W 1'b1
- 1'b1
- 1'b1
R/W 1'b1
- 2b'0
R/W 1'b1
5-26