standard.bdf

基于NIOS的CF卡应用(包括了软件和硬件),ALTERA的IP库中只提供了底层的硬件寄存器描述头文件.这是个基于IP核HAL的软件,以及相应的硬件设计示例.

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		(text "zs_addr_from_the_sdram[11..0] " (rect 0 0 186 14)(font "Arial" (font_size 8)))
		(text "zs_addr_from_the_sdram[11..0] " (rect 284 569 470 583)(font "Arial" (font_size 8)))
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		(text "zs_ba_from_the_sdram[1..0] " (rect 300 585 467 599)(font "Arial" (font_size 8)))
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		(text "zs_cas_n_from_the_sdram " (rect 0 0 160 14)(font "Arial" (font_size 8)))
		(text "zs_cas_n_from_the_sdram " (rect 306 601 466 615)(font "Arial" (font_size 8)))
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		(text "zs_cs_n_from_the_sdram " (rect 313 633 466 647)(font "Arial" (font_size 8)))
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		(text "zs_dqm_from_the_sdram[3..0] " (rect 291 665 468 679)(font "Arial" (font_size 8)))
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		(text "zs_ras_n_from_the_sdram " (rect 0 0 158 14)(font "Arial" (font_size 8)))
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	(port
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		(text "txd_from_the_uart1 " (rect 0 0 115 14)(font "Arial" (font_size 8)))
		(text "txd_from_the_uart1 " (rect 345 761 460 775)(font "Arial" (font_size 8)))
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		(text "data_cf_to_and_from_the_cf[15..0] " (rect 0 0 205 14)(font "Arial" (font_size 8)))
		(text "data_cf_to_and_from_the_cf[15..0] " (rect 269 153 474 167)(font "Arial" (font_size 8)))
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	(port
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		(text "ext_ram_bus_data[31..0] " (rect 0 0 145 14)(font "Arial" (font_size 8)))
		(text "ext_ram_bus_data[31..0] " (rect 318 329 463 343)(font "Arial" (font_size 8)))
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	(port
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		(bidir)
		(text "bidir_port_to_and_from_the_reconfig_request_pio " (rect 0 0 289 14)(font "Arial" (font_size 8)))
		(text "bidir_port_to_and_from_the_reconfig_request_pio " (rect 195 537 484 551)(font "Arial" (font_size 8)))
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(junction (pt 496 400))
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(text "reset or device-configuration" (rect 576 488 741 502)(font "Arial" (font_size 8)))
(text "Reset Delay: Allows PLL to stabilize (lock) after" (rect 512 472 782 486)(font "Arial" (font_size 8)))
(text "SDRAM PLL" (rect 1136 128 1243 146)(font "Arial" (font_size 12)))
(text "This PLL introduces a phase-shift which compensates" (rect 1136 152 1446 166)(font "Arial" (font_size 8)))
(text "for board-level delays in the clock network.  Other boards" (rect 1136 168 1465 182)(font "Arial" (font_size 8)))
(text "may require different settings." (rect 1136 184 1307 198)(font "Arial" (font_size 8)))
(text "This design is an excellent starting-point for Nios systems built" (rect 320 296 674 310)(font "Arial" (color 0 0 0)(font_size 8)))
(text "Targeted for Nios kit Cyclone 1C20 development board." (rect 320 352 668 367)(font "Times New Roman" (color 0 0 0)(font_size 10)))
(text "standard -- Nios II Cyclone 1C20" (rect 320 264 730 291)(font "Arial" (color 0 0 0)(font_size 18)))
(text "on the Cyclone 1C20 Development Board." (rect 320 312 556 326)(font "Arial" (color 0 0 0)(font_size 8)))
(text "Quartus II.  If you wish to get the maximum FMAX performance out of the Nios II" (rect 72 800 521 814)(font "Arial" (color 0 128 0)(font_size 8)))
(text "standard design, it is recommended that you enable the following Physical" (rect 72 816 492 830)(font "Arial" (color 0 128 0)(font_size 8)))
(text "Synthesis settings in Quartus II." (rect 72 832 251 846)(font "Arial" (color 0 128 0)(font_size 8)))
(text "Be aware these settings may significantly affect Quartus II compile time." (rect 72 896 481 910)(font "Arial" (color 0 128 0)(font_size 8)))
(text "For help making these settings, please consult Quartus II Online Help." (rect 72 912 462 926)(font "Arial" (color 0 128 0)(font_size 8)))
(text "- Perform physical synthesis for combinational logic" (rect 80 848 418 861)(font "Arial" (color 0 128 0)(font_size 8)(bold_italic)))
(text "- Perform register duplication" (rect 80 864 273 877)(font "Arial" (color 0 128 0)(font_size 8)(bold_italic)))
(text "- Perform register retiming" (rect 80 880 253 893)(font "Arial" (color 0 128 0)(font_size 8)(bold_italic)))
(text "By default, this standard example design project is configured to always" (rect 72 768 483 782)(font "Arial" (color 0 128 0)(font_size 8)))
(text "achieve an FMAX of at least 50MHz, yet provide a relatively quick compile in" (rect 72 784 502 798)(font "Arial" (color 0 128 0)(font_size 8)))
(text "E-net used in asynch mode." (rect 1272 576 1420 590)(font "Times New Roman" (color 0 0 0)(font_size 8)))
(text "Note: Compact Flash reset_n on Nios Development Boards" (rect 1512 728 1843 742)(font "Arial" (font_size 8)))
(text "is generated by CPLD reset distribution logic." (rect 1512 744 1765 758)(font "Arial" (font_size 8)))