Texas Instruments OMAP5912 Reference Manual page 1588

USB OTG Controller
USB Device on USB Alternate Pin Group 2, 3-Wire USB Transceiver
Figure 80. USB Device Connections on USB Alternate Pin Group 2 Using 3-Wire
Transceiver
U1
USB.PUEN/USB.PUDIS
MCBSI2.DOUT/USB0.TXEN
UART2.TX/USB0.TXD
UART2.RTS/USB0.SE0
MCSI2.CLK/USB0.SUSP
GPIO0/USB.VBUS
OMAP5912
296 Universal Serial Bus (USB)
USB_PULLUP
OE
OE
TXDAT/RCVDAT
DAT
TXSE0/RCVSE0
SE0
SPEED
SUSPEND
SUSPEND
USB transceiver
VBUS_DETECT
R1, R2 Value depends on transceiver
Optional weak pulldown (see text)
R3, R4
R5
1.5K Ohm 5%
U1 OMAP5912
U2
USB transceiver
U3
Transient suppressor, like SN65220, SN65240, or SN75240
U4
Level shifter
USB Type-B receptacle or USB Mini-B receptacle
J1
U2
R1
D+
Transient
suppressor
D−
R2
R3
VDD
U4
Level shifter
R5
J1
D+
D−
R4
VBUS
SPRU761A