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Register Descriptions
USBIE in OTG B/Device Mode is shown in
Figure 18-12. USB Interrupt Enable Register (USBIE) in OTG B/Device Mode
7
6
Reserved
R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 18-15. USB Interrupt Enable Register (USBIE) in OTG B/Device Mode Field Descriptions
Bit
Field
7-6
Reserved
5
DISCON
4
Reserved
3
SOF
2
RESET
1
RESUME
0
SUSPEND
1314
M3 Universal Serial Bus (USB) Controller
Figure 18-10
5
4
DISCON
Reserved
R/W-0
R-0
Value
Description
0
Reserved
Enable Disconnect Interrupt
0
The DISCON interrupt is suppressed and not sent to the interrupt controller.
1
An interrupt is sent to the interrupt controller when the DISCON bit in the USBIS register is set.
0
Reserved
Start of frame
0
The SOF interrupt is suppressed and not sent to the interrupt controller.
1
An interrupt is sent to the interrupt controller when the SOF bit in the USBIS register is set.
RESET Signaling Detected
0
The RESET interrupt is suppressed and not sent to the interrupt controller.
1
An interrupt is sent to the interrupt controller when the RESET bit in the USBIS register is set.
RESUME Signaling Detected. This interrupt can only be used if the USB controller's system clock is
enabled. If the user disables the clock programming, the USBDRRIS, USBDRIM, and USBDRISC
registers should be used.
0
The RESUME interrupt is suppressed and not sent to the interrupt controller.
1
An interrupt is sent to the interrupt controller when the RESUME bit in the USBIS register is set.
SUSPEND Signaling Detected
0
The SUSPEND interrupt is suppressed and not sent to the interrupt controller.
1
An interrupt is sent to the interrupt controller when the DISCON bit in the USBIS register is set.
Copyright © 2012–2019, Texas Instruments Incorporated
and described in
Table
3
2
SOF
RESET
R/W-0
R/W-1
SPRUH22I – April 2012 – Revised November 2019
www.ti.com
18-13.
1
0
RESUME
SUSPEND
RW-1
R/W-0
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