LM3S3749 Luminary Micro, Inc, LM3S3749 Datasheet - Page 546
LM3S3749
Manufacturer Part Number
LM3S3749
Description
Lm3s3749 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S3749.pdf
(753 pages)
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Quantity
Price
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Manufacturer:
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Reset
Type
Univeral Serial Bus (USB) Controller
USB Receive Hub Port Endpoint 1 (USBRXHUBPORT1)
Base 0x4005.0000
Offset 0x08F
Type R/W, reset 0x00
546
Host
Bit/Field
reserved
6:0
RO
7
7
0
R/W
Register 42: USB Receive Hub Port Endpoint 1 (USBRXHUBPORT1), offset
0x08F
Register 43: USB Receive Hub Port Endpoint 2 (USBRXHUBPORT2), offset
0x097
Register 44: USB Receive Hub Port Endpoint 3 (USBRXHUBPORT3), offset
0x09F
USBRXHUBPORTn is an 8-bit read/write register that, like USBRXHUBADDRn, only needs to be
written when a full- or low-speed device is connected to receive endpoint EPn via a high-speed USB
2.0 hub. This register provides the necessary transaction translation to convert between high-speed
transmission and full-/low-speed transmission. This register records the port of that USB 2.0 hub
through which the target associated with the endpoint is accessed. This information, together with
the hub address in USBTXHUBADDRn, allows the USB controller to support split transactions.
Note:
6
0
R/W
reserved
5
0
Name
PORT
USBTXHUBPORT0 is used for both receive and transmit for endpoint 0.
R/W
4
0
PORT
R/W
3
0
Type
R/W
RO
R/W
2
0
R/W
Reset
0x00
1
0
0
Preliminary
R/W
0
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.
Hub Port
USB hub port number.
June 02, 2008
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