USB334X datasheet(68/92 Pages) MICROCHIP

68 / 92 page

USB334x

DS00002646A-page 68

 2009-2018 Microchip Technology Inc.

7.1.1.10

USB Interrupt Status

Address = 13h (read only)

This register dynamically updates to reflect current status of interrupt sources.

SessEnd Fall

rd/w/s/c

Generate an interrupt event notification when

SessEnd changes from high to low.

IdGnd Fall

rd/w/s/c

Generate an interrupt event notification when IdGnd

changes from high to low.

Reserved

7:5

Read only, 0.

Field Name

Bit

Access

Default

Description

HostDisconnect

(read

only)

Current value of the UTMI+ HS Hostdisconnect

output. Applicable only in host mode.

VbusValid

Current value of the UTMI+ Vbusvalid output. If

VbusValid Rise and VbusValid Fall are set this

SessValid

Current value of the UTMI+ SessValid output. This

Session Valid comparator regardless of the

SessValid Rise and SessValid Fall settings.

SessEnd

Current value of the UTMI+ SessEnd output. If

SessEnd Rise and SessEnd Fall are set this register

will read 0.

IdGnd

Current value of the UTMI+ IdGnd output.

Reserved

7:5

Read only, 0.

Note:

The default value is only valid after POR. When the register is read it will match the current status of the

comparators at the moment the register is read.

Field Name

Bit

Access

Default

Description

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