Interfacing SRAM with FX2LP over GPIF November 4, 2009 Document No. 001-57322 Rev. ** 1 AN57322 Author: Bhuvaneswara Rao Nalla, Praveen Kumar C
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 10 Testing with CyConsole The functionality of the project created is verified using the C
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 11 Appendix A #define VX_BB 0xBB // GPIF write #define VX_BC 0xBC // GPIF read #define G
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 12 FIFORESET = 0x00; // clear NAKALL bit to resume normal operation SYNCDELAY; EP2
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 13 if( GPIFTRIG & 0x80 ) // if GPIF interface IDLE
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 14 GPIFADRH = SETUPDAT[3]; // set GPIFADR[8:0] to address passe
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 15 IOA = ( ( ( IOA >> 4 ) + 1 ) << 4 ); // increment the ban
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 16 About the Author Name: Praveen Kumar C P Title: Applications Engineer Contact: cppk@Cyp
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 2 Designing GPIF Interconnect The GPIF Designer utility is used to create the waveform des
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 3 The window appears as follows. Click OK. 9. Right-click on the ‟48 MHz CLK‟. Unc
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 4 Parameter Time (ns) Notes tWC (Write Cycle Time) (min) 12 When IFCLK=48 MHz, each GPIF c
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 5 8. A DP must be implemented after s0. To do this, set an action point on the Status
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 6 Parameter Time (ns) Notes tRC - Read Cycle Time (min) 12 When IFCLK=48 MHz, each GPIF cy
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 7 9. Next, add a decision point (DP) state to loop through this waveform until the GP
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 8 6. Go to Project > New Project. The tool prompts you to name the project and save i
AN57322 November 4, 2009 Document No. 001-57322 Rev. ** 9 12. Go to Project > Options for Target ‘Target1’. Select the Output tab and check th
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