USB3613 datasheet(39/68 Pages) SMSC

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USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications

Datasheet

SMSC USB3613

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

4:1

OCS[4:1]

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

Reserved

Table 7.7 Serial Port Interrupt Status Register

SP_INT_STATUS

(0x30E8 - RESET= 0x00)

SERIAL PORT INTERRUPT STATUS

BIT

NAME

R/W

DESCRIPTION

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

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

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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