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USB2513 데이터시트(PDF) 25 Page - SMSC Corporation

부품명 USB2513
상세설명  USB 2.0 High-Speed 3-Port Hub Controller
PDF  48 Pages
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제조업체  SMSC [SMSC Corporation]
홈페이지  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB2513 데이터시트(HTML) 25 Page - SMSC Corporation

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USB 2.0 High-Speed 3-Port Hub Controller
Datasheet
SMSC USB2513
25
Revision 1.98 (11-19-07)
DATASHEET
4.3.1.11
Register 0Ah: Port Disable For Self Powered Operation
4.3.1.12
Register 0Bh: Port Disable For Bus Powered Operation
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
PORT_DIS_SP
Port Disable Self-Powered: Disables 1 or more contiguous ports. ‘0’ = port
is available, ‘1’ = port is disabled.
During Self-Powered operation when remapping mode is disabled
(PRTMAP_EN='0'), this selects the ports which will be permanently disabled,
and are not available to be enabled or enumerated by a Host Controller. The
ports can be disabled in any order, the internal logic will automatically report
the correct number of enabled ports to the USB Host, and will reorder the
active ports in order to ensure proper function.
Bit 7= Reserved
Bit 6= Reserved
Bit 5= Reserved
Bit 4= Reserved
Bit 3= 1; Port 3 is disabled
Bit 2= 1; Port 2 is disabled
Bit 1= 1; Port 1 is disabled
Bit 0 is Reserved, always = ‘0’
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
PORT_DIS_BP
Port Disable Bus-Powered: Disables 1 or more contiguous ports. ‘0’ = port
is available, ‘1’ = port is disabled.
During Self-Powered operation when remapping mode is disabled
(PRTMAP_EN='0'), this selects the ports which will be permanently disabled,
and are not available to be enabled or enumerated by a Host Controller. The
ports can be disabled in any order, the internal logic will automatically report
the correct number of enabled ports to the USB Host, and will reorder the
active ports in order to ensure proper function.
When using the internal default option, the PRT_DIS[1:0] pins will disable the
appropriate ports.
Bit 7= Reserved
Bit 6= Reserved
Bit 5= Reserved
Bit 4= Reserved
Bit 3= 1; Port 3 is disabled
Bit 2= 1; Port 2 is disabled
Bit 1= 1; Port 1 is disabled
Bit 0 is Reserved, always = ‘0’



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