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📄 first_nios2_system.bsf

📁 nios下的lcd驱动开发源代码(仅供参考)
💻 BSF
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(header "symbol" (version "1.1"))
(symbol
(rect 0 0 464 400)
(text "first_nios2_system" (rect 4 0 124 16)(font "Arial" (font_size 10)))
(text "inst" (rect 4 384 28 400)(font "Arial"))
(port
(pt 0 32)
(input)
(text "clk " (rect 0 0 13 16)(font "Arial" (font_size 8)))
(text "clk " (rect 20 25 33 41)(font "Arial" (font_size 8)))
(line (pt 0 32)(pt 16 32)(line_width 1))
)
(port
(pt 0 48)
(input)
(text "reset_n " (rect 0 0 36 16)(font "Arial" (font_size 8)))
(text "reset_n " (rect 20 41 56 57)(font "Arial" (font_size 8)))
(line (pt 0 48)(pt 16 48)(line_width 1))
)
(port
(pt 0 80)
(input)
(text "in_port_to_the_button_pio[3..0] " (rect 0 0 149 16)(font "Arial" (font_size 8)))
(text "in_port_to_the_button_pio[3..0] " (rect 20 73 169 89)(font "Arial" (font_size 8)))
(line (pt 0 80)(pt 16 80)(line_width 3))
)
(port
(pt 464 112)
(output)
(text "be_n_to_the_ext_ram[3..0] " (rect 0 0 128 16)(font "Arial" (font_size 8)))
(text "be_n_to_the_ext_ram[3..0] " (rect 309 105 437 121)(font "Arial" (font_size 8)))
(line (pt 448 112)(pt 464 112)(line_width 3))
)
(port
(pt 464 128)
(output)
(text "ext_ram_bus_address[22..0] " (rect 0 0 137 16)(font "Arial" (font_size 8)))
(text "ext_ram_bus_address[22..0] " (rect 300 121 437 137)(font "Arial" (font_size 8)))
(line (pt 448 128)(pt 464 128)(line_width 3))
)
(port
(pt 464 144)
(bidir)
(text "ext_ram_bus_data[31..0] " (rect 0 0 119 16)(font "Arial" (font_size 8)))
(text "ext_ram_bus_data[31..0] " (rect 318 137 437 153)(font "Arial" (font_size 8)))
(line (pt 448 144)(pt 464 144)(line_width 3))
)
(port
(pt 464 160)
(output)
(text "ext_ram_bus_readn " (rect 0 0 96 16)(font "Arial" (font_size 8)))
(text "ext_ram_bus_readn " (rect 341 153 437 169)(font "Arial" (font_size 8)))
(line (pt 448 160)(pt 464 160)(line_width 1))
)
(port
(pt 464 176)
(output)
(text "read_n_to_the_ext_ram " (rect 0 0 114 16)(font "Arial" (font_size 8)))
(text "read_n_to_the_ext_ram " (rect 323 169 437 185)(font "Arial" (font_size 8)))
(line (pt 448 176)(pt 464 176)(line_width 1))
)
(port
(pt 464 192)
(output)
(text "select_n_to_the_ext_flash " (rect 0 0 124 16)(font "Arial" (font_size 8)))
(text "select_n_to_the_ext_flash " (rect 312 185 437 201)(font "Arial" (font_size 8)))
(line (pt 448 192)(pt 464 192)(line_width 1))
)
(port
(pt 464 208)
(output)
(text "select_n_to_the_ext_ram " (rect 0 0 121 16)(font "Arial" (font_size 8)))
(text "select_n_to_the_ext_ram " (rect 316 201 437 217)(font "Arial" (font_size 8)))
(line (pt 448 208)(pt 464 208)(line_width 1))
)
(port
(pt 464 224)
(output)
(text "write_n_to_the_ext_flash " (rect 0 0 119 16)(font "Arial" (font_size 8)))
(text "write_n_to_the_ext_flash " (rect 318 217 437 233)(font "Arial" (font_size 8)))
(line (pt 448 224)(pt 464 224)(line_width 1))
)
(port
(pt 464 240)
(output)
(text "write_n_to_the_ext_ram " (rect 0 0 115 16)(font "Arial" (font_size 8)))
(text "write_n_to_the_ext_ram " (rect 322 233 437 249)(font "Arial" (font_size 8)))
(line (pt 448 240)(pt 464 240)(line_width 1))
)
(port
(pt 464 272)
(bidir)
(text "bidir_port_to_and_from_the_lcd_pio[10..0] " (rect 0 0 205 16)(font "Arial" (font_size 8)))
(text "bidir_port_to_and_from_the_lcd_pio[10..0] " (rect 232 265 437 281)(font "Arial" (font_size 8)))
(line (pt 448 272)(pt 464 272)(line_width 3))
)
(port
(pt 464 304)
(output)
(text "out_port_from_the_led_pio[7..0] " (rect 0 0 153 16)(font "Arial" (font_size 8)))
(text "out_port_from_the_led_pio[7..0] " (rect 284 297 437 313)(font "Arial" (font_size 8)))
(line (pt 448 304)(pt 464 304)(line_width 3))
)
(port
(pt 464 336)
(bidir)
(text "bidir_port_to_and_from_the_reconfig_request_pio " (rect 0 0 242 16)(font "Arial" (font_size 8)))
(text "bidir_port_to_and_from_the_reconfig_request_pio " (rect 195 329 437 345)(font "Arial" (font_size 8)))
(line (pt 448 336)(pt 464 336)(line_width 1))
)
(port
(pt 464 368)
(output)
(text "out_port_from_the_seven_seg_pio[15..0] " (rect 0 0 197 16)(font "Arial" (font_size 8)))
(text "out_port_from_the_seven_seg_pio[15..0] " (rect 240 361 437 377)(font "Arial" (font_size 8)))
(line (pt 448 368)(pt 464 368)(line_width 3))
)
(drawing
(line (pt 16 64)(pt 447 64)(color 0 0 0)(dotted)(line_width 1))
(line (pt 16 96)(pt 447 96)(color 0 0 0)(dotted)(line_width 1))
(line (pt 16 256)(pt 447 256)(color 0 0 0)(dotted)(line_width 1))
(line (pt 16 288)(pt 447 288)(color 0 0 0)(dotted)(line_width 1))
(line (pt 16 320)(pt 447 320)(color 0 0 0)(dotted)(line_width 1))
(line (pt 16 352)(pt 447 352)(color 0 0 0)(dotted)(line_width 1))
(rectangle (rect 16 16 448 384)(line_width 1)))
)

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