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USB3813 数据表(PDF) 39 Page - SMSC Corporation

部件名 USB3813
功能描述  USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications
PDF  68 Pages
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制造商  SMSC [SMSC Corporation]
网页  http://www.smsc.com
标志 SMSC - SMSC Corporation

USB3813 数据表(HTML) 39 Page - SMSC Corporation

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USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications
Datasheet
SMSC USB3813
39
Revision 1.0 (06-17-13)
DATASHEET
Table 7.6 OCS Status Register
OCS_STAT
(0x30E6 - RESET= 0x00)
PORT POWER STATUS
BIT
NAME
R/W
DESCRIPTION
7:5
Reserved
R
Reserved
4:1
OCS[4:1]
R
Optional control from SOC that indicates an over-current condition on the
corresponding port for HUB status reporting to USB host. Also resets
corresponding PRTPWR status bit in the Port Power Status Register. Not
required for an embedded application.
0: No Over Current Condition
1: Over Current Condition
0
Reserved
R
Reserved
Table 7.7 Serial Port Interrupt Status Register
SP_INT_STATUS
(0x30E8 - RESET= 0x00)
SERIAL PORT INTERRUPT STATUS
BIT
NAME
R/W
DESCRIPTION
7
Interrupt
R/W
Read:
0: INT_N pin has not been asserted low due to unmasked interrupt
1: INT_N pin has been asserted low due to unmasked interrupt
Write:
0: Negate INT_N pin high
1: No Effect – INT_N pin and register retains its current value
6:5
Reserved
R
Reserved
4
HubSuspInt
R/W
Read:
0: Hub has not entered USB suspend since last HubSuspInt reset
1: Hub has entered USB suspend
Write:
0: Negate HubSuspInt status low
1: No Effect
3
HubCfgInt
R/W
Read:
0: Hub has not been configured by the USB Host since last HubConfInt
reset
1: Hub has been configured by the USB host
Write:
0: Negate HubConfInt status low
1: No Effect



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