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To reserve individual dual-purpose configuration pins:

1. If you have not already done so, create a new project or open an existing project.

2. If you have not already done so, specify the current Compiler settings.

3. Choose Settings (Assignments menu).  Shortcut

4. In the Category list, select Device under Compiler Settings.

5. Click Device & Pin Options.

6. Click the Dual-Purpose Pins tab.

7. Under Dual-purpose pin usage after configuration, in the nWS, nRS, nCS, CS, RDYnBUSY, Data[7..1], Data[0], and nCEO lists, select the purpose for which you want to reserve the dual-purpose pin(s).  More Details

   or

   Under Dual-purpose pin usage after configuration, in the nWS, nRS, nCS, CS, RDYnBUSY, Data[7..1], Data[0], and nCEO lists, select Off to specify that you do not want to reserve the pin(s), but instead you want to use them as I/0 pin(s) during user mode.

8. If you want to reset the dual-purpose pins to their original settings, click Reset.

9. Click OK.

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