BCM43907 Preliminary Data Sheet
USB 2.0
Figure 10: BCM43907 Configured as a DRD + USB 2.0 PHY
AXI/APB
PPC
OVC
EHC/OHC
DWDC/DMA
UTMI
UTMI
Multiplexer
UTMI
Demulitplexer
VBUS
UTMI
USB 2.0 PHY
D+/D–
5V
USB 2.0
Micro-AB ID
Connector
USB2_DSEL
VBUS
Switch
Chip Boundary
EHC:
OHC:
OVC:
PPC:
Enhanced Host Controller
Open Host Controller
Overcurrent indication
Port power control
USB
USB 2.0
Host
or Device
UTMI:
The following information pertains to Figure 10:
•
•
•
•
•
•
The Micro-AB receptacle connects the BCM43907 to an external host or device.
The Micro-AB connector ID pin is connected to the BCM43907 USB2_DSEL pin.
The BCM43907 GPIO_9 pin is high in order to select the USB 2.0 PHY.
The PPC line indicates whether the USB 2.0 host controller supports port power control.
The OVC line is used to indicate an overcurrent condition.
Standard differential signal lines D+ (DP) and D– (DM) are used for the USB 2.0 interface
Broadcom®
March 12, 2016 • 43907-DS104-R
Page 40
BROADCOM CONFIDENTIAL
CYPRESS [ CYPRESS ]
