Usb General-Purpose Control And Status Register (Usbgpcs); Usb General-Purpose Control And Status Register (Usbgpcs) Field Descriptions - Texas Instruments Concerto F28M36 Series Technical Reference Manual

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18.5.54 USB General-Purpose Control and Status Register (USBGPCS), offset 0x41C

The USB general-purpose control and status register (USBGPCS) provides the state of the internal ID

When used in OTG mode, USB0VBUS and USB0ID do not require any configuration as they are

dedicated pins for the USB controller and directly connect to the USB connector's VBUS and ID signals. If

the USB controller is used as either a dedicated Host or Device, the DEVMODOTG and DEVMOD bits in

the USB General-Purpose Control and Status (USBGPCS) register can be used to connect the

USB0VBUS and USB0ID inputs to fixed levels internally, freeing the pins for GPIO use. For proper self-

powered Device operation, the VBUS value must still be monitored to assure that if the Host removes

VBUS, the self-powered Device disables the D+/D- pull-up resistors. This function can be accomplished

by connecting a standard GPIO to VBUS.

OTG A or Host

USBGPCS is shown in

Figure 18-65. USB General-Purpose Control and Status Register (USBGPCS)

LEGEND: R/W = Read/Write; R = Read only; -n = value after reset

SPRUHE8E – October 2012 – Revised November 2019

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OTG B or Device

Figure 18-65

and described in

Table 18-70. USB General-Purpose Control and Status

Reserved. Reset is 0x0000.000.

Enable Device Mode. This bit enables the DEVMOD bit to control the state of the internal ID signal in

The mode is specified by the state of the internal ID signal.

This bit enables the DEVMOD bit to control the internal ID signal.

Device Mode This bit specifies the state of the internal ID signal in Host mode and in OTG mode when

the DEVMODOTG bit is set.

In Device mode this bit is ignored (assumed set).

M3 Universal Serial Bus (USB) Controller

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