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USB4604 データシート(PDF) 44 Page - SMSC Corporation

部品番号 USB4604
部品情報  USB 2.0 HSIC Hi-Speed 4-Port Hub Controller
PDF  71 Pages
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メーカー  SMSC [SMSC Corporation]
ホームページ  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB4604 データシート(HTML) 44 Page - SMSC Corporation

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USB 2.0 HSIC Hi-Speed 4-Port Hub Controller
Datasheet
Revision 1.0 (06-17-13)
44
SMSC USB4604
DATASHEET
Table 7.6 OCS Status Register
Table 7.7 Upstream Battery Charger Mode 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
BC_CHG_MODE
(0x30EC - RESET= 0x00
UPSTREAM BATTERY CHARGER MODE
BIT
NAME
R/W
DESCRIPTION
7:6
Reserved
R
Reserved
5
HoldVdat
R/W
Dead Battery Vdat Detect voltage source enable
0: The charger detection state machine will turn off the Vdat Source at the
end of the charger detection routine.
1: The charger detection state machine leave Vdat Source on during
Hub.Connect stage when a SDP has been detected.
4
Reserved
R
Reserved
3
SE1ChrgDet
R/W
Apple type charger detection control
0: The charger detection routine will not look for the attachment of an
Apple type charger.
1: The charger detection routine will look for the attachment of an Apple
type charger.
2
EnhancedChrgDet
R/W
Enhanced charge detect control
0: The charger detection routine will not reverse Vdat SRC to differentiate
between a CDP and a DCP.
1: The charger detection routine will reverse Vdat SRC to differentiate
between a CDP and a DCP.
1:0
Reserved
R
Reserved



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