DIEPMSK 

         Device IN Endpoint Common Interrupt Mask Register
Module Instance Base Address Register Address
i_usbotg_0_DWC_otg_intreg 0xFFB00000 0xFFB00810
i_usbotg_1_DWC_otg_intreg 0xFFB40000 0xFFB40810

Size: 32

Offset: 0x810

Access: RW

Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

RESERVED

RO 0x0

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

RESERVED

RO 0x0

NAKMsk

RW 0x0

Reserved

BNAInIntrMsk

RW 0x0

TxfifoUndrnMsk

RW 0x0

RESERVED1

RO 0x0

INEPNakEffMsk

RW 0x0

INTknEPMisMsk

RW 0x0

INTknTXFEmpMsk

RW 0x0

TimeOUTMsk

RW 0x0

AHBErrMsk

RW 0x0

EPDisbldMsk

RW 0x0

XferComplMsk

RW 0x0

DIEPMSK Fields

Bit Name Description Access Reset
31:14 RESERVED 
RESERVED
 RO 0x0
13 NAKMsk 
NAK interrupt Mask (NAKMsk)
Value Description
0x0 Mask NAK Interrupt
0x1 No Mask NAK Interrupt
RW 0x0
9 BNAInIntrMsk 
BNA interrupt Mask (BNAInIntrMsk)
Value Description
0x0 Mask BNA Interrupt
0x1 No BNA Interrupt Mask
RW 0x0
8 TxfifoUndrnMsk 
Fifo Underrun Mask (TxfifoUndrnMsk)
Value Description
0x0 Mask Fifo Underrun Interrupt
0x1 No Fifo Underrun Interrupt Mask
RW 0x0
7 RESERVED1 
RESERVED
 RO 0x0
6 INEPNakEffMsk 
IN Endpoint NAK Effective Mask (INEPNakEffMsk)
Value Description
0x0 Mask IN Endpoint NAK Effective Interrupt
0x1 No IN Endpoint NAK Effective Interrupt Mask
RW 0x0
5 INTknEPMisMsk 
IN Token received with EP Mismatch Mask (INTknEPMisMsk)
Value Description
0x0 Mask IN Token received with EP Mismatch Interrupt
0x1 No Mask IN Token received with EP Mismatch Interrupt
RW 0x0
4 INTknTXFEmpMsk 
IN Token Received When TxFIFO Empty Mask
(INTknTXFEmpMsk)
Value Description
0x0 Mask IN Token Received When TxFIFO Empty Interrupt
0x1 No IN Token Received When TxFIFO Empty Interrupt
RW 0x0
3 TimeOUTMsk 
Timeout Condition Mask (TimeOUTMsk) 
(Non-isochronous endpoints)
Value Description
0x0 Mask Timeout Condition Interrupt
0x1 No Timeout Condition Interrupt Mask
RW 0x0
2 AHBErrMsk 
AHB Error Mask (AHBErrMsk)
Value Description
0x0 Mask AHB Error Interrupt
0x1 No AHB Error Interrupt Mask
RW 0x0
1 EPDisbldMsk 
Endpoint Disabled Interrupt Mask (EPDisbldMsk)
Value Description
0x0 Mask Endpoint Disabled Interrupt
0x1 No Endpoint Disabled Interrupt Mask
RW 0x0
0 XferComplMsk 
Transfer Completed Interrupt Mask (XferComplMsk)
Value Description
0x0 Mask Transfer Completed Interrupt
0x1 No Transfer Completed Interrupt Mask
RW 0x0