USB3300 datasheet(23/53 Pages) MICROCHIP

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 2014-2015 Microchip Technology Inc.

DS00001783B-page 23

USB3300

6.1.4.9

USB Interrupt Enable Falling: Address = 10-12h (read), 10h (write), 11h (set), 12h (clear)

6.1.4.10

USB Interrupt Status Register: Address = 13h (read only with auto clear)

6.1.4.11

USB Interrupt Status: Address = 14h (read only with auto clear)

Field Name

Bit

Default

Description

HostDisconnect Fall

Generate an interrupt event notification when Hostdisconnect

changes from high to low. Applicable only in host mode.

VbusValid Fall

Generate an interrupt event notification when Vbusvalid changes

from high to low.

SessValid Fall

Generate an interrupt event notification when SessValid changes

from high to low.

SessEnd Fall

Generate an interrupt event notification when SessEnd changes

from high to low.

IdGnd Fall

Generate an interrupt event notification when IdGnd changes from

high to low.

Reserved

7:5

Driven low.

Field Name

Bit

Default

Description

HostDisconnect

Current value of the UTMI+ Hostdisconnect output. Applicable

only in host mode.

VbusValid

Current value of the UTMI+ Vbusvalid output.

SessValid

Current value of the UTMI+ SessValid output.

SessEnd

Current value of the UTMI+ SessEnd output.

IdGnd

Current value of the UTMI+ IdGnd output.

Reserved

7:5

Driven low.

Field Name

Bit

Default

Description

HostDisconnect Latch

Set to 1b by the PHY when an unmasked event occurs on

Hostdisconnect. Cleared when this register is read. Applicable

only in host mode.

VbusValid Latch

Set to 1b by the PHY when an unmasked event occurs on

VbusValid. Cleared when this register is read.

SessValid Latch

Set to 1b by the PHY when an unmasked event occurs on

SessValid. Cleared when this register is read.

SessEnd Latch

Set to 1b by the PHY when an unmasked event occurs on

SessEnd. Cleared when this register is read.

IdGnd Latch

Set to 1b by the PHY when an unmasked event occurs on IdGnd.

Cleared when this register is read.

Reserved

7:5

Driven low.

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