EAGLE
PRELIMINARY
Ver 1.3
3.22.2.4 USB Interrupt Register (USBINT)
Address : 0xFFE0_9810h
R/W
MCU USB
Default
Value
Bit
Description
31 : 3
2
R
R/
Clear
R/
Clear
Reserved
RSTINT : USB Reset Interrupt bit.
USB sets this bit when reset signal is received.
RSUMINT : Resume Interrupt bit.
In Suspend mode, USB sets this bit when a resume signaling is
received.
A USB resume will cause an interrupt to be generated to MCU.
If SE0 status persists for 3ms after the clock resumes its
operation, USB Reset will occur.
-
0b
Set
Set
1
0b
0b
0
R/
Set
SPDINT : Suspend Interrupt bit
Clear
USB sets this bit if suspend signal is received.
If there is no activity on bus for 3ms, this bit is cleared. If MCU
does not stop the clock following the first suspend interrupt and no
activity is occurring on the bus, interrupt will be generated every
3ms.
This interrupt is disabled by default.
3.22.2.5 Endpoint Interrupt Enable Register (USBEPIEN)
Address : 0xFFE0_9814h
Bit
31 : 5
R/W
R
Description
Default Value
Reserved
-
4
3
2
1
0
R/W
R/W
R/W
R/W
R/W
EP4INTEN : Endpoint 4 Interrupt enable bit
EP3INTEN : Endpoint 3 Interrupt enable bit
EP2INTEN : Endpoint 2 Interrupt enable bit
EP1INTEN : Endpoint 1 Interrupt enable bit
EP0INTEN : Endpoint 0 Interrupt enable bit
1b
1b
1b
1b
1b
3.22.2.6 USB Interrupt Enable Register (USBINTEN)
Address : 0xFFE0_9818h
Bit
31 : 3
R/W
R
Description
Default Value
Reserved
-
2
1
0
R/W
R
R/W
RSTINTEN : USB RESET Interrupt enable bit
Reserved
SPDINTEN : SUSPEND Interrupt enable bit
1b
-
0b
3.22.2.7 USB Low Byte Frame Number Register (USBLBFN)
Address : 0xFFE0_981Ch
Bit
31 : 8
7 : 0
R/W
R
R/W
Description
Default Value
Reserved
Frame Number 1 register
-
00h
3.22.2.8 USB High Byte Frame Number Register (USBHBFN)
Address : 0xFFE0_9820h
Bit
31 : 8
7 : 0
R/W
R
R/W
Description
Default Value
Reserved
Frame Number 2 register
-
00h
3.22.2.9 USB Index Register (USBIND)
Address : 0xFFE0_9824h
Bit
31 : 8
7 : 0
R/W
R
R/W
Description
Default Value
Reserved
Index register
-
00h
Beijing Peak Microtech Co.Ltd.
CONFIDENTIAL
178
ETC [ ETC ]
