Dual-Purpose Pin Usage After Configuration
Specifies whether the associated dual-purpose pin, nWS, nRS, nCS, CS, RDYnBUSY, Data[7..1], Data[0], nCEO, ASDO, or nCSO is reserved, and the purpose for which it is reserved, as indicated with the following options: More Details
| Off |
The dual-purpose pin is not reserved; instead, it is used as an I/O pin in user mode. |
| As input tri-stated |
The dual-purpose pin is reserved as an input pin. |
| As output driving ground |
The dual-purpose pin is reserved as an output pin and drives the ground signal. |
| As output driving an unspecified signal |
The dual-purpose pin is reserved as an output pin and drives any signal. |
Refer to the data sheet for the current device family for more information on dual-purpose configuration pins, which is available from the Literature section of the Altera® web site.
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