LM3S3749 Luminary Micro, Inc, LM3S3749 Datasheet - Page 522

• Manufacturer Part Number: LM3S3749
• Description: Lm3s3749 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Reset
Type
Univeral Serial Bus (USB) Controller
USB Receive Interrupt Status (USBRXIS)
Base 0x4005.0000
Offset 0x004
Type RO, reset 0x0000
522
Host
Device
Bit/Field
15:4
RO
3
2
1
0
15
0
RO
Register 4: USB Receive Interrupt Status (USBRXIS), offset 0x004
USBRXIS is a 16-bit read-only register that indicates which of the interrupts for receive endpoints
1–3 are currently active.
Note:
14
0
RO
13
reserved
reserved
0
Name
Bits relating to endpoints that have not been configured always return 0. Note also that all
active interrupts are cleared when this register is read.
EP3
EP2
EP1
RO
12
0
RO
11
0
Type
RO
RO
RO
RO
RO
RO
10
0
reserved
RO
Reset
0x00
9
0
0
0
0
0
Preliminary
RO
8
0
Description
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
RX Endpoint 3 Interrupt
RX Endpoint 2 Interrupt
RX Endpoint 1 Interrupt
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
RO
7
0
RO
6
0
RO
5
0
RO
4
0
EP3
RO
3
0
EP2
RO
2
0
EP1
RO
1
0
June 02, 2008
reserved
RO
0
0