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USB4604 Datasheet(PDF) 41 Page - SMSC Corporation

Part # USB4604
Description  USB 2.0 HSIC Hi-Speed 4-Port Hub Controller
PDF  71 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB4604 Datasheet(HTML) 41 Page - SMSC Corporation

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USB 2.0 HSIC Hi-Speed 4-Port Hub Controller
Datasheet
SMSC USB4604
41
Revision 1.0 (06-17-13)
DATASHEET
BC_CTL_RUN_TIME
(Upstream)
0x6102
Table 7.14, "Upstream (Port 0) Battery Charging Run Time Control
Register"
BC_CTL_DET
(Upstream)
0x6103
Table 7.15, "Upstream (Port 0) Battery Charging Detect Register"
Table 7.2 Upstream Battery Charging Detection Control Register
UP_BC_DET
(0x30E2 - RESET= 0x02)
UPSTREAM BATTERY CHARGING REGISTER
BIT
NAME
R/W
DESCRIPTION
7:5
CHARGER_TYPE
R/W
Read Only.
This field indicates the result of the automatic charger detection. Values
reported depend on EnhancedChrgDet bit setting in Upstream Battery
Charger Mode Register.
If EnhancedChrgDet = 1
000 = Charger Detection is not complete.
001 = DCP - Dedicated Charger Port
010 = CDP – Charging Downstream Port
011 = SDP – Standard Downstream Port
100 = Apple Low Current Charger
101 = Apple High Current Charger
110 = Apple Super High Current Charger
111 = Charger Detection Disabled
If EnhancedChrgDet = 0
000 = Charger Detection is not complete.
001 = DCP/CDP – Dedicated Charger or Charging Downstream Port
010 = Reserved
011 = SDP – Standard Downstream Port
100 = Apple Low Current Charger
101 = Apple High Current Charger
110 = Apple Super High Current Charger
111 = Charger Detection Disabled
4
CHGDET_COMPLETE
R
Indicates Charger Detection has been run and is completed. This bit is
negated when START_CHG_DET is asserted high.
3
Reserved
R/W
Reserved for debugging
2:1
CHG_DET[1:0]
R
Indicates encoded status of what chargers or status has been detected
according to the settings in the Charge Detect Mask Register. It can be
used to determine what current can be drawn from the upstream USB
port.
00 = No selected Chargers or Status identified
01 = 100ma (VBUS detect without enumeration)
10 = 500ma (Device enumerated, Set Config seen)
11 = 1000+ma (Charger detected)
The actual current amount for the charger will be system dependent
Table 7.1 SMBus Accessible Run Time Registers (continued)
NAME
XDATA
ADDR



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