Titanium Interfaces User Guide
pll_rule_refclk (error)
Message Bonded external reference clock pin has to be specified in dynamic mode
To fix When using dynamic as the Clock Source, the PLL expects to find the resource for the
external clock(s). Add a GPIO block in input mode, set the Connection Type to pll_clkin, and
assign it to the resource shown in the PLL Properties tab under Dynamic Clock.
Message Both core refclk pins have to be specified in dynamic mode
To fix When using dynamic as the Clock Source, you need to specify the names for the core clocks 0
and 1. (Some PLLs use 2 core clocks in dynamic mode.)
Message Core refclk pin has to be specified in core mode
To fix When using core as the Clock Source, you need to specify the pin name.
Message Core refclk pin has to be specified in dynamic mode
To fix When using dynamic as the Clock Source, you need to specify the names for core clock 0.
(Some PLLs use only 1 core clock in dynamic mode.)
Message External refclk pin has to be set in external mode
To fix When using external as the Clock Source, the PLL expects to find the resource for the external
clock. Add a GPIO block in input mode, set the Connection Type to pll_clkin, and assign it to
the resource shown in the PLL Properties tab under External Clock.
Message External reference clock resource {} is not configured as pll_clkin connection
To fix You use a GPIO block configured in alternate connection mode to be the reference clock for
the PLL. Change the GPIO Connection Type to pll_clkin.
Message Reference clock at <resource> connected to external clock pin {0|1|2} has not been defined
To fix The PLL expects to find the resource for the external clock. Add a GPIO block in input mode,
set the Connection Type to pll_clkin, and assign it to the resource shown in the PLL Properties
tab under External Clock.
Message Invalid external clock {0|1|2} resource selected: Resource Unbonded
To fix In the FPGA/package combination you are using, you cannot use the external clock resoure
specified because it is not available in the package.
Message The resource for CLKIN[<index>] is not configured
To fix The PLL expects to find the resource for the PLL clockin. Add a GPIO block in input mode, set
the Connection Type to pll_clkin, and assign it to the correct resource.
pll_rule_resource (error)
Message Resource name is empty
Resource is not a valid PLL device instance
To fix Choose a valid PLL resource.
pll_rule_vco_freq (error)
Message VCO frequency is out of range. Freq=<float> Min=<float>MHz Max=<float>MHz
To fix The VCO frequency needs to be within the range specified. Adjust the parameters to meet
that requirement.
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