USB333X datasheet(62/85 Pages) MICROCHIP

62 / 85 page

USB333x

DS00001880A-page 62

 2009 - 2015 Microchip Technology Inc.

7.1.1.9

USB Interrupt Enable Falling

Address = 10-12h (read), 10h (write), 11h (set), 12h (clear)

7.1.1.10

USB Interrupt Status

Address = 13h (read only)

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

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

HostDisconnect Fall

rd/w/s/c

Generate an interrupt event notification when

Hostdisconnect changes from high to low. Applicable

only in host mode.

VbusValid Fall

rd/w/s/c

Generate an interrupt event notification when

Vbusvalid changes from high to low.

SessValid Fall

rd/w/s/c

Generate an interrupt event notification when

SessValid changes from high to low.

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 register

will read 0.

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.

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