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| ! " # $ % # ! " # $ % $ &' ( )) *$+ , %-& %. - , /0 12 32-)4 5 # 5 .6 " )7*) " )71) )6 " 8 # 9 + 9 5: ! )&):)&5;""< , )& :)*;""< &= , * 2 , , > " $$ & ' # ( ) * +'# '! ! , ' -# ! . #' +/!'! ? " "> + + 9 4 8 " ' ' ' ) -) /2$' ' *) ' 6 " 8 ) 7*) " 8 ) 71) 2 0 # # ' -0 , ? " "> + + 9 4 ' ;/< ' ' &1* *) ** ' ' ;/2$ < ' ) ' 3, ' ' @*) )5' ' 7) ' ? ' / ' ' @*) ) )' ' ;/< ? ' @*) * "( ;/2$ < ? ' ' @) "( ;/0$ < ? ;' @&< -) "( -? # "> / $ ' *)' $ # /2;7< ' )' a ' 1)' 6 $ #/2;< & ) 3%/ > ) * 3%/ > - 3%/ > 1 3%/ > 5 & 3%/ > & . * 3%/ > * ) - 3%/ > - 1 3%/ > 1 2 3%/ 2, 8 3%/ 8 & 8%= 3%/ * %? 3%/ ? ;3 / ? < - 0 3%/ 2, > 1 ba 3%/ b " 5 2 . /07 &' , ;7< ) /0 )' , ;< , = % # 1 1!5$ # 1!5 # viht vilt viht vilt viht vilt t cyc p wel p weh t r t as t as t ah t ah t f viht vilt t dsw t dhw e r/w cs1?s3 d/i db0?b7 t r t cyc p wel p weh t as t as t f t ah t ah viht vilt viht vilt t ddr viht vilt t dhr e r/w cs1?s3 d/i db0?b7 +11 mpu interface (gnd = 0v, v cc = 2.7 to 5.5v, ta = ?0 to +75 c) * item symbol min typ max unit e cycle time t cyc 1000 ns e high level width p weh 450 ns e low level width p wel 450 ns e rise time t r 25 ns e fall time t f 25 ns address setup time t as 140 ns address hold time t ah 10 ns data setup time t dsw 200 ns data delay time t ddr 320 ns data hold time (write) t dhw 10 ns data hold time (read) t dhr 20 ns ,(= 1 code instructions r/w d/i db7 db6 db5 db4 db3 db2 db1 db0 functions display on/off 0000111111/0 controls display on/off. ram data and internal status are not affected. 1: on, 0: off. display start line 0011 display start line (0?3) specifies the ram line displayed at the top of the screen. set page (x address) 0010111p age (0?) sets the page (x address) of ram at the page (x address) register. set y address 0001y address (0?3) sets the y address in the y address counter. status read 1 0 busy 0 on/ reset 0000 reads the status. off reset 1: reset 0: normal on/off 1: display off 0: display on busy 1: internal operation 0: ready write display data 0 1 write data writes data db0 (lsb) has access to the to db7 (msb) on the address of the display data bus into display ram specified in ram. advance. after the read display data 1 1 read data reads data db0 (lsb) access, y address is to db7 (msb) from the increased by 1. display ram to the data bus. note: busy time varies with the frequency (f clk ) of ?, and ?. (1/f clk t busy 3/f clk ) ! !!" #$%&% ' !" !!" (% ) " ! ! * ! ! " ) * ++ ! ! " 1 # #6 2, 1 # #' ( " " 1 # #2 8 + 2 <("> " * c<b " # d 1)3! 1 # #8 " " ! @ 7 ## " "" @ 7 + 2 </26 ' )' <b " # d 1)3! 2 ## 52 #8 > @* ? " 2 # 3, " 0 , ,, " # " 1) &)3 / " 0 , " # " ) &)3 3, " 6 0 , ;$ < , , " , " # " *) &)3 & / " 6 0 , " # " ) &)3 * 3, " %3" 0 , ,, " ,,," # " &) .*e83 &)3 - " 2 0 , ,, " ) * 1) * )" *" )" *" ) %1) ) 1 '> ; < 0 , $> )3!f*))3!g ))"% g )" 5 , ; < 0 , , 3 # $ g ))"% g 5" . ( ", 0 , ", > * -3 5b h " 2 ? " 2 ? " & * - 1 5 . b h " 2 # 6 # , > # 0 # 6 # , # + , # 6 # , " , # 6 2, 6 # , # b " # 5 8 " # @ 6 # 7 + , # 3 45*67** ? 09 " ( @* ; , < + + 9 4 ?/ (i/ 09 ' ? 4 " " , g , > /2 *" ( 9( ?? + j ) + * # 4 " " , g ( 9 ?? + j ) + * + j # 6 " ""g, g " g/ + # 6 , " #" a 55 $8 ' 5 * +'# )3 ) , " # >j " , ,> #" ,, g )?# , " , d > g> " ,g# , > " , , g" , ## ) 9 $ # , # , j ," , $ )&, ! $ , # # , /2" # , 3 , ! # )* ?# , # " g > , , # , # , ?# " g " , , # , # $ ? , 0 , , $ , , , " >$ " " , ! 0 g , # = k (" $ )- " "> , /2+ )1?# , ##g , )5 $ # , " > g > # " "" $" , > , , , /2+ > d # "> g, g" > , " # g "> , , /2+ , #" , # , ## , $ #" " > ) )=, , /2" g $ 9 , , , ## " ), /2" , > , " ?# , /2 " > # " g , "" " ) &) 8 $ ," 5)e ) , /2 " , > , " , g , "# ) , /2 " , > # $ , g , $ 9 $ g g " , / ? " # # ? " 2 2 / " 8 > ( , " " = ! ," " + 9 # ! >> > ! l) "" ) "" )*"" , # ! ( , " " + 9 :l)"" )"" : )*"" ;$ < :@; 7><% + 9 ;$ < l))"" ))"" ))*"" > )"" + 9 ; < $ " /- ? " # # ? " 2 2 6 " "" " , " =$ " 2 $ ( , " " 2 ( , " " + 9 :l)"" )"" : )"" :@; 7><% + 9 , " ;6< (l)"" )"" ( )"" l)*"" + 9 + 9 :l)"" )"" : )"" ; $ < :@; 7><% + 9 ; $ < l))"" ))"" ))*"" > )*"" + 9 ; < /- ? " # # ; < ? " 2 2 + 9 # 9 )"" )"" 9 )"" 9@; 7><% + 9 # )"" )"" )"" m) + 9 # # " # " + 9 # )5= = @" $ # , =@" $ # , |
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