Document No.: FT_000589
FT313H USB2.0 HS Host Controller Datasheet Version 1.1
Clearance No.: FTDI# 318
Bit
Name
Type
Default value Description
0: No SOF event has occurred.
1: SOF event has occurred.
0
MSOFINT
R/WC
1’b0
uSOF interrupt
The INT line will be asserted if the
respective enable bit in the HCINTEN
register is set.
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
RO
Default value
10’b0
Description
-
[15: 8]
7
Reserved
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.
6
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.
5
4
CLKREADY_EN
R/W
R/W
1’b0
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.
USB Bus inactive enable
BUSINACTIVE_EN
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.
3
R/W
1’b0
Remote wake up interrupt enable
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