Texas Instruments OMAP5912 Reference Manual page 1586

USB OTG Controller
Pin Group 1 USB Device Using 6-Wire USB Transceiver
Figure 79. USB Device Connections on USB Pin Group 1 Using 6-Wire Transceiver
U1
USB.PUEN/USB.PUDIS
MCBSP3.CLK/USB1.TXEN
MCSI1.DOUT/USB1.TXD
RTC_WAKEUP_INT/USB1.SE0
MCSI1.DIN/USB1.RCV
MCSI1.SYNC/USB1.VP
MCSI1.CLK/USB1.VM
MPU_BOOT/USB1.SUSP
GPIO0/USB.VBUS
OMAP5912
294 Universal Serial Bus (USB)
USB_PULLUP
OE
TXDAT
TXSE0
RCV
RCVVP
RCVVM
SUSPEND
VBUS_DETECT
R1, R2
R3, R4
R5
U1
U2
U3
U4
J1
Proper initialization of the OMAP5912 device to support this mode of operation
requires proper setting of the top-level pin multiplexing for these pins:
-
MCBSP3.CLKX/USB1.TXEN
-
MCSI1.DOUT/USB1.TXD
-
RTC_WAKE_INT/USB1.SE0
-
MCSI1.SYNC/USB1.VP
-
MCSI1.BCLK/USB1.VM
-
MCSI1.DIN/USB1.RCV
-
CLK32K_OUT/USB1.SPEED
-
MPU_BOOT/USB1.SUSP
See Table 74.
U2
OE
DAT
SE0 D+
RCV
D−
VP
VM
SPEED
SUSPEND
VDD
USB transceiver
Level shifter
Value depends on transceiver
Optional weak pulldown (see text)
1.5K Ohm 5%
OMAP5912
USB transceiver
Transient suppressor, like SN65220, SN65240, or SN75240
Level shifter
USB Type-B receptacle or USB Mini-B receptacle
R5
R1
D+
Transient
suppressor
D−
R2
R3
R4
VBUS
U4
SPRU761A
J1