USB2534 datasheet(39/62 Pages) SMSC

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USB 2.0 Hi-Speed 4-Port Hub Controller

Datasheet

SMSC USB2534

Revision 1.0 (06-17-13)

DATASHEET

Table 7.8 Charge Detect Mask Register

CHG_DET_MSK

(0x30ED - RESET= 0x1F)

CHARGE DETECT MASK

BIT

NAME

R/W

DESCRIPTION

CONFIGURED

R/W

0: battChg.chgDet is not affected for this mask set when Hub is in a

session and has been configured by the USB Host

1: battChg.chgDet indicates status for this mask set met when Hub is in a

session and has been configured by the USB Host

CONNECTED

R/W

0: battChg.chgDet is not affected for this mask set when Hub has

successfully connected with an upstream Host

1: battChg.chgDet indicates status for this mask set met when Hub has

successfully connected with an upstream host.

SUSPENDED

R/W

0: battChg.chgDet is not affected for this mask set when Hub is in a

session and has been suspended by the USB Host

1: battChg.chgDet indicates status for this mask set met when Hub is in a

session and has been suspended by the USB Host

SE1SMask

R/W

0: battChg.chgDet is not affected for this mask set by detection of a Apple

Super High Current Charger

1: battChg.chgDet indicates status for this mask set met when a SE1

(Apple) Super High Current Charger is detected

SE1HMask

R/W

0: battChg.chgDet is not affected for this mask set by detection of a Apple

High Current Charger

1: battChg.chgDet indicates status for this mask set met when a Apple

High Current Charger is detected

SE1LMask

R/W

0: battChg.chgDet is not affected for this mask set by detection of a Apple

Low Current Charger

1: battChg.chgDet indicates status for this mask set met when a Apple

Low Current Charger is detected

CDPMask

R/W

0: battChg.chgDet is not affected for this mask set by detection of a CDP

Charger

1: battChg.chgDet indicates status for this mask set met when a CDP

Charger is detected

This mask bit should only be enabled if EnhancedChrgDet is asserted in

the Upstream Battery Charger Mode Register. Without it, the charger

detection is unable to identify a CDP.

DCPMask

R/W

0: battChg.chgDet is not affected for this mask set by detection of a DCP

Charger

1: battChg.chgDet indicates status for this mask set met when a DCP

Charger is detected

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