Titanium Interfaces User Guide
gpio_rule_io_standard_stl (warning)
Message Skip checking Vref requirement on a single-ended input configuration: input path is not used
To fix You get this warning when the GPIO is in inout mode but you have not specified an input pin
name.
gpio_rule_io_standard_differential (error)
Message GPIO resource, <name> with differential I/O standard was configured for multiple use
Differential I/O standard can only be assigned to pad P resource
To fix You cannot use differential HSTL/SSTL for the N resource. Change the resource to a P one.
Message Differential I/O standard is not valid on GPIO resource <name> due to the corresponding N
resource not bonded
To fix To use a differential I/O standard, both the N and P resources must be available. If the N
resource is not bonded out, then you cannot use a differential standard. Choose another pair
of N and P resources.
gpio_rule_dynamic_delay (error)
Message Input dynamic delay is not supported in non-P resource, <resname>
To fix The HSIO N resource does not support dynamic delay. Either change the delay to static or
pick a P resource.
Message Clock pin name in input dynamic delay is empty
To fix When using the dynamic delay, you need to specify a clock input pin name.
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