USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications
Datasheet
Note: Refer to Section 8.9, "Interrupt Output (INT_N)," on page 56 for additional information on the
INT_N interrupt.
Table 7.9 Upstream Battery Charger Mode Register
BC_CHG_MODE
(0x30EC - RESET= 0x14
UPSTREAM BATTERY CHARGER MODE
DESCRIPTION
BIT
NAME
R/W
7:6
5
Reserved
HoldVdat
R
Reserved
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
3
Reserved
R
Reserved
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
Reserved
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
R
Reserved
SMSC USB3813
41
Revision 1.0 (06-17-13)
DATASHEET
SMSC [ SMSC CORPORATION ]
