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I like ur input reg VIP example design: AN427 on cycloneIII EP3C120
I tried to synthesize and create programming file instead of the provided sof file. But the Analysis & Synthesis result reports following warnings like Warning: Can't analyze file -- file <path_name>/vip_example_design_3c120_v90_revA/ip/altera_avalon_i2c/i2c_master_byte_ctrl.vhd is missing. Also i2c_master_top, bit_ctrl vhdl files r missing though it is included in Project & shown in Project Navigator/files. Plz guide me.Link Copied
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Ok. I tried creating a similar design with same settings & synthesised after assigning pins. When running Analysis & Synthesis i got warnings:
Warning: Assertion warning: Ignoring parameter INDATA_ACLR_A that uses input register with clear signal -- RAM block for device family Cyclone III of altsyncram megafunction cannot use input registers with clear signals Warning: Assertion warning: Ignoring parameter WRCONTROL_ACLR_A that uses input register with clear signal -- RAM block for device family Cyclone III of altsyncram megafunction cannot use input registers with clear signals And while running I/O Assignment Analysis, i get errors: Error: Can't place multiple pins assigned to pin location Pin_F4 (IOPAD_X0_Y65_N21) Info: Pin BITEC_DVI_IO_OUT_DVI_ISEL is assigned to pin location Pin_F4 (IOPAD_X0_Y65_N21) Info: Pin ~ALTERA_ASDO_DATA1~ is assigned to pin location Pin_F4 (IOPAD_X0_Y65_N21) Error: Can't place multiple pins assigned to pin location Pin_E2 (IOPAD_X0_Y61_N14) Info: Pin BITEC_DVI_IO_OUT_DVI_DAT is assigned to pin location Pin_E2 (IOPAD_X0_Y61_N14) Info: Pin ~ALTERA_FLASH_nCE_nCSO~ is assigned to pin location Pin_E2 (IOPAD_X0_Y61_N14) Please help me.- Mark as New
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The first two warnings are assigned to particular RAM instances in your design. Check, why these instances apparently have settings, that are incompatible with Cyclone III. A warning doesn't prevent synthesis, so may simply ignore it.
The two errors are causes by your FPGA device options settings. You must specify the configuration pins as regular I/O after configuration.- Mark as New
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Thank you FvM!
Sorry for the dalayed reply. I changed the FPGA configuration pin settings to regular I/O and was able to fit the design. The fitter shows Critical Warning: PLL clock inst|....|pll1|clk[1] not driven by a dedicated clock pin or neighboring PLL source. To ensure minimum jitter on memory interface clock outputs, the PLL clock source should be a dedicated PLL input clock pin or an output of the neighboring PLL. & warnings like: *alt_vip_IS2Vid:*|is_serial_output [*] could not be matched with a keeper. (filter problem-mismatch) After simulating altpll in Modelsim, the transcript msg reads Note: Cyclone III PLL locked to incoming clock I'm not familiar with pll & VIP suite and learning it. Kindly guide me.- Mark as New
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How do I set configuration pins?? I have the same kind of error message. ~ALTERA_ASDO_DATA1~ doesn't appear in my pin planner or assignment editor...
Info: Pin da[0] is assigned to pin location Pin_F4 (IOPAD_X0_Y65_N21) Info: Pin ~ALTERA_ASDO_DATA1~ is assigned to pin location Pin_F4(IOPAD_X0_Y65_N21) I'm using the cyclone III 3C120 dev. kit.- Mark as New
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HI freelancer,
on tab "Assignments" click on "Device". Next click on "Device and Pin Options...". On the opening window choose "Dual-Purpose Pins". Here you can set the state of them.
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