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Figure 75.
USB Host Connections on USB Alternate Pin Group 2 Using 6-Wire
Transceiver
U1
MCSI2.DOUT/USB0.TXEN
UART2.TX/USB0.TXD
UART2.RTS/USB0.SE0
UART2.RTS/USB0.RCV
MCSI2.DIN/USB0.VP
UART2.RX/USB0.VM
MCSI2.SYNC/USB0.SPEED
MCSI2.CLK/USB0.SUSP
GPIO
OMAP5912
SPRU761A
U2
OE
OE
TXDAT
DAT
TXSE0
SE0
RCV
RCV
RCVVP
VP
RCVVM
VM
SPEED
SPEED
SUSPEND
SUSPEND
USB transceiver
VBUS_ENABLE
OVERCURRENT
R1, R2
Value depends on transceiver
R3, R4
15K Ohm 5%
C1
Low ESR cap, minimum 120 uF
U1
OMAP5912
U2
USB transceiver
U3
Transient suppressor, like SN65220, SN65240, or SN75240
U4
Power switch, like TPS2014 or TPS2015
J1
USB type-A receptacle
USB OTG Controller
R1
D+
Transient
U3
suppressor
D−
R2
R3
VDD
U4
VBUS
CONTROL
C1
Universal Serial Bus (USB)
J1
R4
VBUS
287
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