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| Datasheet File OCR Text: |
| t m 1 28 6 4 f c a 6 ! " # $ % # fs white ! " # re $ % & ! % ' ( ) 6:00 ,%- . &*' &/ * . none 2 . . 3 # %% 42 *++5)+2+2678++5!229 5 $ 5 ! /: # +;,+ # +;*+ +: # < $ = - = 56*' " + /6+,,7##9 ! . +''6+*+7##9 '> . ++ ) * +'# ' ! ! c a 6 modification code a : re no c : w hi te ! , ' -# ! . #' +/!'! ? # #3 - - = @ < # ! ( ( ( + *+ 02%( ( ,+ ( : # < + ;,+ # < + ;*+ 2 0 # # ' *1 . ? # #3 - - = @ ( 709 ( ( '4, ,+ ,, ( ( 702% 9 ( * ( a. ( ( b,+ +5( ( ;+ ( ? ( 0 ( ( b,+ + +( ( 709 ? , #) 702% 9 ? , #) *? $ ! #3 0 % $ * # # & - * # #- ) % 1 %' , . 1 '# # # * 234 . 5 # * 2542#4 0 6 76* 7 8* ' 9 6: 76* # ( ; 76* # ' < -1 76* 1 $1 -$ 76* $ $$ -& 76* & $& -) 76* ) $) -, 76* , $, -. 76* . $. -0 76* 0 $0 -9 76* 9 $9 - n / c n o c on ne cti on $; - n/c no connection * ? $ #2. mpu interface characteristic symbol min typ max unit e cycle t c 1000 - - ns e high level width t wh 450 - - ns e low level width t wl 450 - - ns e rise time t r --25ns e fall time t f --25ns address set-up time t asu 140 - - ns address hold time t ah 10 - - ns data set-up time t dsu 200 - - ns data delay time t d - - 320 ns data hold time (write) t dhw 10 - - ns data hold time (read) t dhr 20 - - ns e r/w cs1b, cs2b cs3, rs db0-7 fig 1. mpu write timing 2.0v 0.8v t c t wl t wh t r t f t asu t ah t asu t ah t dsu t dhw 0.8v 2.0v e r/w cs1b,cs2b cs3, rs db0 ~db7 fig 2. mpu read timing t c t wl t wh t r t f t asu t asu t ah t ah t d t dhr *'? 2 the display control instructions control the internal state of the ks0108b. instruction is received from mpu to ks0108b for the display control. the following table shows various instructions. instruction rs r/w db7 db6 db5 db4 db3 db2 db1 db0 function display on/off l l l l h h h h h l/h controls the display on or off. internal status and display ram data is not affected. l:off, h:on set address (y address) l l l h sets the y address in the y address counter. set page ( x address) l l h l h h h sets the x address at the x address register. display start line (z address) l l h h indicates the display data ram displayed at the top of the screen. status read l h b u s y l o n / o f f r e s e t l l l l read status. busy l: ready h: in operation on/off l: display on h: display off reset l: normal h: reset write display data h l writes data (db0:7) into display data ram. after writing instruction, y address is increased by 1 automatically. read display data h h reads data (db0:7) from display data ram to the data bus. y address (0~63) page (0~7) display start line (0~63) write data read data 9 # 4: 2. b, ? # #3 2 - - = @ b+ 2 + 3 + ( ) 2 2 b+ + + 2 < 2 b+ b+ + ++ < # $$ b+ b+ ++ # 4 $ $: 2. 4 $ $( ) # # 4 $ $2 < - 2 9)#3 # , c9d # $ e *'a" 4 $ $< # # b ; $$ # b ; - 2 9: ( *( 9d # $ e *'a" ; ## 52 $< 3 b, ? # 2 $ a. # 1 . .. # $ # *+ /*a 0 # 1 . # $ # + /*a a. # : 1 . 7% 9 . . # . # $ # ,+ /*a ' 0 # : 1 . # $ # + /*a , a. # &a# 1 . .. # ...# $ # '+ /+f 1 . .. # + , *+ , +# ,# +# ,# + &*+ + 4 (3 7 9 1 . %3 +a"g,+a"h ,+#& h '+# 5 . 7 9 1 . . a $ % h ++#& h # / ) #. ! 1 . #. 3 '+! *a 5d i # 2 ? # 2 ? # ',*45/ d i # 2 $ : $ . 3 $ 1 $ : $ . $ - . $ : $ . # . $ : 2. : $ . $ d # $ 5 < # $ b : $ ; - . $ < >?*@a** ? 1= # ) b, 7 . 9 - - = @ ?0 )j0 1= ( ? @ # # . h . 3 02,# ) =) ?? - k + - , $ @ # # . h ) = ?? - k + - , - k $ : # ##h. h # h0 - $ : . # $# 55 $1 ' ? * +'# +a ! + . # $ 3k # . .3 $# .. h +?$ . # . e 3 h3 # .h$ . 3 # . . h# . $$ + = % $ . $ . k .# . % +'. " % . $ $ . 02# $ . a . " $ +,?$ . $ # h3 . . $ . $ .?$ # h# . . $ . $ % ? . 1 . . % . . . # 3% # # . " 1 h . $ > 8 )# % +* # #3 . 02- +4?$ . $$h . +5 % $ . # 3 h3 $ # ## %# . 3 . . . 02- 3 e $ #3 h. h# 3 . # $ h #3 . . 02- . $# . $ . $$ . % $# # 3 + +>. . 02# h % = . . . $$ # +. 02# . 3 . # ?$ . 02 # 3 $ # h . ## # + '+ < % .# 5+f + . 02# . 3 . # . h . #$ + . 02 # . 3 $ % . h . % = % h h # . / ? # $ $ ? # 2 2 0 # < 3 ) . # # > " .# # - = $ ! " 33 3 " l+ ## + ## +,## . $ " ) . # # - = 6l+## +## 6 +,## 7% 9 6b7 ;39& - = 7% 9 l++## ++## ++,## 3 +## - = 7 9 ! % # /- ? # $ $ ? # 2 2 : # ## # . # >% # 2 % ) . # # 2 ) . # # - = 6l+## +## 6 +## 6b7 ;39& - = ! . # 7:9 )l+## +## ) +## l+,## - = - = 6l+## +## 6 +## 7% 9 6b7 ;39& - = 7% 9 l++## ++## ++,## 3 +,## - = 7 9 /- ? # $ $ 7 9 ? # 2 2 - = $ = +## +## = +## =b7 ;39& - = $ +## +## +## m+ - = $ $ # $ # - = $ +5> > b# % $ . >b# % $ . |
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