Signal Descriptoin - Samsung S5PV210 Hardware Design Manual

S5PV210_HARDWARE DESING GUIDE REV 1.0
15. USB 2.0 HS OTG

15.1. Signal Descriptoin

Ball Name I/O
O USB OTG charge pump enable
XUOTGDRVVUBS
IO USB OTG Data pin DATA(+)
XUOTGDP
IO
XUOTGREXT
IO USB OTG Data pin DATA(-)
XUOTGDM
IO USB OTG Mini-Receptacle Identifier
XUOTGID
IO USB OTG Mini-Receptacle Vbus
XUOTGVBUS
15.2. Power Domain
VDD_UOTG_A_AP is for USB OTG Phy analog power supplied with 3.3V, and VDD_UOTG_D_AP is for USB OTG
Phy digital power supplied with 1.1V.
Caution! VDD_UOTG_D_AP must be brought up first, followed by VDD_UOTG_A_AP, in order to limit power
consumption and prevent voltage stress on the device.
Circuit Diagram Example
To minimize power consumption in USB OTG block, SEC recommends that user should control powers for
VDD_UOTG_A_AP and VDD_UOTG_D_AP.
(1) use Charge Pump in order to supply VBUS to a bus-powered USB device.
To use Only Device mode but OTG mode.
(1) XusbID : leave as a no connect(Device mode)
(2) XusbDRVVBUS : leave as a no connect (The charge pump circuit should be removed)
(3) Refer to following circuit diagram about other signals.
Description
USB OTG External 44.2ohm (+/- 1%) resistor
connection
Comment
- Available volatage level :4.0V~6.0V
105