ds1307_lcd.bdf

通过IIC总线读写实时时钟DS1307

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		(text "data[7..0]" (rect 92 123 139 135)(font "Arial" ))
		(line (pt 160 128)(pt 144 128)(line_width 3))
	)
	(parameter
		"idle"
		"B\"000000\""
		""
	)
	(parameter
		"setstrow_a"
		"B\"000001\""
		""
	)
	(parameter
		"setstrow_b"
		"B\"000010\""
		""
	)
	(parameter
		"setstrow_c"
		"B\"000011\""
		""
	)
	(parameter
		"lcdon_a"
		"B\"000100\""
		""
	)
	(parameter
		"lcdon_b"
		"B\"000101\""
		""
	)
	(parameter
		"lcdon_c"
		"B\"000110\""
		""
	)
	(parameter
		"clr_str_a"
		"B\"000111\""
		""
	)
	(parameter
		"clr_str_b"
		"B\"001000\""
		""
	)
	(parameter
		"clr_str_c"
		"B\"001001\""
		""
	)
	(parameter
		"clr_stc_a"
		"B\"001010\""
		""
	)
	(parameter
		"clr_stc_b"
		"B\"001011\""
		""
	)
	(parameter
		"clr_stc_c"
		"B\"001100\""
		""
	)
	(parameter
		"clr_dat_a"
		"B\"001101\""
		""
	)
	(parameter
		"clr_dat_b"
		"B\"001110\""
		""
	)
	(parameter
		"clr_dat_c"
		"B\"001111\""
		""
	)
	(parameter
		"setrow_a"
		"B\"010000\""
		""
	)
	(parameter
		"setrow_b"
		"B\"010001\""
		""
	)
	(parameter
		"setrow_c"
		"B\"010010\""
		""
	)
	(parameter
		"setcol_a"
		"B\"010011\""
		""
	)
	(parameter
		"setcol_b"
		"B\"010100\""
		""
	)
	(parameter
		"setcol_c"
		"B\"010101\""
		""
	)
	(parameter
		"dispchar_a"
		"B\"010110\""
		""
	)
	(parameter
		"dispchar_b"
		"B\"010111\""
		""
	)
	(parameter
		"dispchar_c"
		"B\"011000\""
		""
	)
	(parameter
		"delay"
		"B\"101010\""
		""
	)
	(parameter
		"x_offset"
		"50"
		""
	)
	(drawing
		(rectangle (rect 16 16 144 144)(line_width 1))
	)
	(annotation_block (parameter)(rect 576 264 696 656))
)
(symbol
	(rect 176 104 352 232)
	(text "DS1307" (rect 5 0 43 12)(font "Arial" ))
	(text "inst2" (rect 8 112 31 124)(font "Arial" ))
	(port
		(pt 0 32)
		(input)
		(text "clk" (rect 0 0 14 12)(font "Arial" ))
		(text "clk" (rect 21 27 35 39)(font "Arial" ))
		(line (pt 0 32)(pt 16 32)(line_width 1))
	)
	(port
		(pt 0 48)
		(input)
		(text "rst_n" (rect 0 0 24 12)(font "Arial" ))
		(text "rst_n" (rect 21 43 45 55)(font "Arial" ))
		(line (pt 0 48)(pt 16 48)(line_width 1))
	)
	(port
		(pt 0 64)
		(input)
		(text "cnt_inc_n" (rect 0 0 47 12)(font "Arial" ))
		(text "cnt_inc_n" (rect 21 59 68 71)(font "Arial" ))
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	)
	(port
		(pt 0 80)
		(input)
		(text "wr_input_n" (rect 0 0 51 12)(font "Arial" ))
		(text "wr_input_n" (rect 21 75 72 87)(font "Arial" ))
		(line (pt 0 80)(pt 16 80)(line_width 1))
	)
	(port
		(pt 176 32)
		(output)
		(text "scl" (rect 0 0 14 12)(font "Arial" ))
		(text "scl" (rect 141 27 155 39)(font "Arial" ))
		(line (pt 176 32)(pt 160 32)(line_width 1))
	)
	(port
		(pt 176 64)
		(output)
		(text "out_sec[7..0]" (rect 0 0 64 12)(font "Arial" ))
		(text "out_sec[7..0]" (rect 91 59 155 71)(font "Arial" ))
		(line (pt 176 64)(pt 160 64)(line_width 3))
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	(port
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		(output)
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		(text "out_min[7..0]" (rect 91 75 155 87)(font "Arial" ))
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	)
	(port
		(pt 176 96)
		(output)
		(text "out_hour[7..0]" (rect 0 0 68 12)(font "Arial" ))
		(text "out_hour[7..0]" (rect 87 91 155 103)(font "Arial" ))
		(line (pt 176 96)(pt 160 96)(line_width 3))
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	(port
		(pt 176 48)
		(bidir)
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		(text "sda" (rect 138 43 155 55)(font "Arial" ))
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	)
	(drawing
		(rectangle (rect 16 16 160 112)(line_width 1))
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)
(connector
	(pt 80 168)
	(pt 176 168)
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(connector
	(pt 80 184)
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	(pt 144 152)
	(pt 144 104)
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	(pt 128 136)
	(pt 128 88)
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	(pt 144 104)
	(pt 512 104)
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(connector
	(pt 128 88)
	(pt 528 88)
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(connector
	(pt 720 232)
	(pt 760 232)
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(connector
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(connector
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(connector
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	(pt 560 200)
	(bus)
)
(connector
	(pt 352 168)
	(pt 560 168)
	(bus)
)
(junction (pt 144 152))
(junction (pt 128 136))