FT313HQ-R datasheet(37/67 Pages) FTDI

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Document No.: FT_000589

FT313H USB2.0 HS Host Controller Datasheet Version 1.2

Clearance No.: FTDI# 318

Bit

Name

Type

Default value

Description

0: No SOF event has occurred.

1: SOF event has occurred.

MSOFINT

R/WC

1’b0

uSOF interrupt

The INT line will be asserted if the

respective enable bit in the HCINTEN

0: No uSOF event has occurred.

1: uSOF event has occurred.

Table 5-24 HC interrupt status register

5.4.2 HCINTEN register (address = A4h)

Bit

Name

Type

Default value

Description

[15: 8]

Reserved

10’b0

WAKEUPINT_EN

R/W

1’b0

Wake up interrupt enable on device

connect or disconnect

Control the INT generation when the device

connects or disconnects as wake up events.

0: No INT will be generated when device

connects or disconnects as wake up events.

1: INT will be asserted when device connects

or disconnects as wake up events.

OCINT_EN

R/W

1’b0

Overcurrent interrupt enable

Control the INT generation when the

overcurrent event triggers

0: No INT will be generated after overcurrent

event is triggered.

1: INT will be asserted after overcurrent event

is triggered.

CLKREADY_EN

R/W

1’b0

Clock ready enable

Control the INT generation when the internal

clock signals are running stable

0: No INT will be generated after clock runs

stable.

1: INT will be asserted after clock runs stable.

BUSINACTIVE_EN

R/W

1’b0

USB Bus inactive enable

Control the INT generation when the USB bus

is inactive

0: No INT will be generated when the USB bus

is inactive.

1: INT will be asserted when the USB bus is

inactive.

R/W

1’b0

Remote wake up interrupt enable

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