Universal Serial Bus Controller User's Guide

4.8 USB Interrupt Mask Register (INTMSKR)
Registers www.ti.com
The USB Interrupt Mask Register (INTMSKR) is shown in Figure 23 and described in Table 24 .
Figure 23. USB Interrupt Mask Register (INTMSKR)
31 25 24 16
Reserved USB
R-0 R-0
15 13 12 8 7 5 4 0
Reserved RX Reserved TX
R-0 R-0 R-0 R-0
LEGEND: R = Read only; - n = value after reset
Table 24. USB Interrupt Mask Register (INTMSKR) Field Descriptions
Bit Field Value Description
31-25 Reserved 0 Reserved
24-16 USB 0-1FFh USB interrupt source masks
Contains the masks of the interrupt sources generated by the USB core (not the DMA). These masks
are used to enable or disable interrupt sources appearing as masked interrupts
15-13 Reserved 0 Reserved
12-8 RX 1Fh Receive endpoint interrupt source masks
Contains the masks of the interrupt sources generated by the USB core (not the DMA). These masks
are used to enable or disable interrupt sources appearing as masked interrupts.
7-5 Reserved 0 Reserved
4-0 TX 0-Fh Transmit endpoint interrupt source masks
Contains the masks of the interrupt sources generated by the USB core (not the DMA). These masks
are used to enable or disable interrupt sources appearing as masked interrupts.
Universal Serial Bus (USB) Controller88 SPRUGH3 – November 2008
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