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7 usb interrupt source clear register (intclrr), Intclrr), Descriptions – Texas Instruments TMS320DM357 User Manual

Page 87: Section 4.7

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4.7

USB Interrupt Source Clear Register (INTCLRR)

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Registers

The USB Interrupt Source Clear Register (INTCLRR) is shown in

Figure 22

and described in

Table 23

.

Figure 22. USB Interrupt Source Clear Register (INTCLRR)

31

25

24

16

Reserved

USB

R-0

W-0

15

13

12

8

7

5

4

0

Reserved

RX

Reserved

TX

R-0

W-0

R-0

W-0

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

Table 23. USB Interrupt Source Clear Register (INTCLRR) Field Descriptions

Bit

Field

Value

Description

31-25

Reserved

0

Reserved

24-16

USB

0-1FFh

Write a 1 to clear equivalent USB interrupt source

Allows the CPU to acknowledge an interrupt source and turn it off

15-13

Reserved

0

Reserved

12-8

RX

0-1Fh

Write a 1 to clear equivalent Receive endpoint interrupt source

Allows the CPU to acknowledge an interrupt source and turn it off

7-5

Reserved

0

Reserved

4-0

TX

0-Fh

Write a 1 to clear equivalent Transmit endpoint interrupt source

Allows the CPU to acknowledge an interrupt source and turn it off

SPRUGH3 – November 2008

Universal Serial Bus (USB) Controller

87

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