Altera MAX 10 Clocking and PLL User Manual
Page 74

Table 6-8: ALTPLL Output Ports for MAX 10 Devices
Port Name
(11)
Condition
Description
activeclock
Optional
Specifies which clock is the primary reference clock
when the clock switchover circuit initiates.
If the
inclk0
is in use, the
activeclock
port goes
low. If the
inclk1
is in use, the
activeclock
port
goes high.
You can set the PLL to automatically initiate the
clock switchover when the primary reference clock
is not toggling correctly, or you can manually
initiate the clock switchover using the
clkswitch
input port.
c[]
Required
The clock output of the PLL.
clkbad[]
Optional
clkbad1
and
clkbad0
ports check for input clock
toggling.
If the
inclk0
port stops toggling, the
clkbad0
port
goes high. If the
inclk1
port stops toggling, the
clkbad1
port goes high.
(11)
Replace the brackets,
[]
, in the port name with an integer to get the exact name (for example,
c0
and
c1
).
6-8
ALTPLL Ports and Signals
UG-M10CLKPLL
2014.12.15
Altera Corporation
ALTPLL IP Core References