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ks0068b 16com/60seg driver & controller for dot matrix lcd introduction 100 qfp the ks0068b is a dot matrix lcd driver & controller lsl which is fabricated by low power cmos technology. function character type dot matrix lcd driver & controller internal driver: 16 common and 60 segment signal output. display character format; 5
7 dots + cursor, 5
10 dots + cursor easy interface with a 4-bit or 8-bit mpu display character pattern: 5
7 dots format: 192 kinds, 5
10 dots format: 32kinds the special character pattern can be programmable by character generator ram directly. a customer character pattern can be programmable by mask option (KS0068B-00; standard type) KS0068B-00 english, japanese numberal automatic power on reset function. it can drive a maximum 80 characters by using the ks0065b or ks0063b, ks0068b externally. it is possible to read both character generator and display data ram from mpu. features internal memory - character generator rom: 8320bits - character generator ram: 512 bits - display data ram: 80
8bits for 80 digits. power supply voltage; +5v ? 10%, +3v ? 10% supply voltage for display: 0~-5v(v 5 ) cmos process 1/8 duty, 1/11 duty or 1/16 duty: selectable (1/8 duty; 5
7 dots format 1 line, 1/11 duly; 5 x 10 dots format i line, 1/16 duty: 5
7 dots format 2 line) 100 qfp or bare chip available.
ks0068b 16com/60seg driver & controller for dot matrix lcd block diagram parallel/serial data conversion circuit charater generator rom ( cg rom ) 8320 bits character generator ram ( cg ram ) 512 bits cursor blink control circuit busy flag 60 - bit shift register 60 - bit latch circuit segment signal driver display data ram ( dd ram ) 80 3 8 bits input output buffer instruction register ( ir ) instruction decoder ( id ) address counter ( ac ) data register ( dr ) timing generation circuit common signal driver 16 - bit shift register v dd gnd fig. 1. ks0068 functional block diagram. clk1 clk2 m d 16 16 7 7 7 8 8 7 7 7 60 60 8 osc 1 osc 2 db 0 ~ db 3 db 4 ~ db 7 r/w rs e 8 8 5 5 v1 v2 v3 v4 v5 power supply for lcd drive 60 segment signal ( s 1 - s 60 ) 4 4 8 common signal ( c 1 - c 16 )
ks0068b 16com/60seg driver & controller for dot matrix lcd pin configuration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 ks0068 fig2. 100qfp top view db 7 db 6 db 5 db 4 db 3 db 2 db 1 db 0 v dd e r/w rs d m clk 2 clk 1 v 5 v 4 v 3 v 2 s 46 s 45 s 44 s 43 s 42 s 41 s 40 s 39 s 38 s 37 s 36 s 35 s 34 s 33 s 32 s 31 s 30 s 29 s 28 s 27 s 26 s 25 s 24 s 23 s 22 s 21 s 20 s 19 s 18 s 17 s 16 s 15 s 14 s 13 s 12 s 11 s 10 s 9 s 8 s 7 s 6 s 5 s 4 s 3 s 2 s 1 v ss osc 2 osc 1 v 1 s 47 s 48 s 49 s 50 s 51 s 52 s 53 s 54 s 55 s 56 s 57 s 58 s 59 s 60 c 16 c 15 c 14 c 13 c 12 c 11 c 10 c 9 c 8 c 7 c 6 c 5 c 4 c 3 c 2 c 1 fig2. 100qfp top view ks0068b
ks0068b 16com/60seg driver & controller for dot matrix lcd pin description pin(no). input/output name description interface v dd (42) operating voltage for logical circuit (2.7v ~ 5.5v) power v ss (gnd) (27) power 0v (gnd) supply v 1 -v 5 (30-34) negative supply voltage bias voltage level for lcd driving s 1 -s 60 (1-26, 67-100) output segment output segent signal output for lcd driving lcd c 1 -c 16 (51-66) output common output common signal output for lcd driving lcd osc 1 , osc 2 (29) (28) input (osc1) output (osc2) oscillator both pin connected to rf resistor or ceramic resonator for internal oscillator circuit. in case of external frequency use only, the frequency is input to osc1 terminal. resistor or ceramic resonator clk1 (35) output data latch clock clock output terminal for the serially transfered data to be latched to the driver. ks0065b or ks0063b clk2 (36) data shift clock clock output terminal used when d terminal data output shifts the inside of the driver. m (37) alternated signal for lcd driver output the alternating signal to convert lcd drive waveform to ac d (38) display data interface character pattern data, which is corresponding to each common signal, is supplied to driver serially. e(41) input enable start enable signal to read or write the data r/w(40) read/write r/w signal input is used to select the read/write mode mpu rs (39) register select register selection input db 0 -db 7 (43-50) input/output data interface used for data transfer between the mpu and ks0068. these terminals are for data bus with bidirectional three-state. initial 4 bit (db 0 -db 3 ) are not used during 4-bit operation (db 7 can be used as a busy flag) high selection low non selection high read mode low write mode high data register (for read and write) low instruction register (for write), busy flag, address counter (for read)
ks0068b 16com/60seg driver & controller for dot matrix lcd internal logic of input/output terminal input/output applicable pin input no pull up e with pull up rs, r/w output clk1, clk2 m,d input output db 0 -db 7 logic diagram
ks0068b 16com/60seg driver & controller for dot matrix lcd maximum absolute limit (ta=25 ? ) characteristic symbol value unit operating voltage driver supply voltage input voltage power dissipation operating temperature storage temperature v dd v lcd v in p d t opr t stg -0.3~+7.0 v dd -11.5~v dd +0.3 -0.3 ~ v dd +0.3 500 -30~+85 -55~+125 v v v mw ? ? ~ voltage greater than above may damage to the circuit (v dd ( v 1 ( v 2 ( v 3 ( v 4 ( v 5 ) electrical characteristics dc characteristics (v dd =+5v ? 10%, v ss =0v, t a =-30 ~ +85 ? ) characteristic symbol test condition min typ max unit applicable pin operating voltage v dd - 4.5 - 5.5 v operating current (*1) i dd1 ceramic resonator fosc=250khz - 0.65 0.9 ma i dd2 resistor oscillation external clock operation fosc=270khz - 0.45 0.7 input voltage 1 high v ih1 -2.2-v dd ve, db 0 -db 7 , low v il1 - -0.3 - 0.6 r/w, rs input voltage 2 high v ih2 -v dd -1.0 -v dd osc1 low v il2 - -0.2 - 1.0 output voltage 1 high v oh1 i oh =-0.205ma 2.4 - - db 0 -db 7 low v ol1 i ol =1.2ma - - 0.4 output voltage 2 high v oh2 i o =-40 0.9v dd - - clk1, clk2, m, d low v ol2 i o =40 - - 0.1v dd voltage drop (*2) com vd com i o = ? 0.1ma --1 c1-c16 seg vd seg --1 s1-s60 input leakage current i lkg v in =0 or v dd -1 - 1 e input low current i in v dd =5v (test pull up r) -50 -125 -250 rs,r/w external clock frequency(*3) f ec - 125 250 350 khz osc1 duty duty 455055 % rise time t r --0.2 ? fall time t f --0.2 ? internal clock frequency(*3) f osc1 rf=91k ` ? 2% 190 270 350 khz osc1, osc2 ceramic resonator osc frequency (*3) f osc2 245 250 255 lcd driving voltage(*4) v lcd1 v dd -v 5 1/5 bias 3.0 - 10.0 v v 1 -v 5 v lcd2 1/6 bias 3.0 - 10.0 note: *1) applies to the current value flown in terminal v dd when power is input as follows; v dd =5v, gnd=0v, v1=3.4v, v2=1.8v, v3=0.2v, v4=-1.4v and v5=-3v. *2) applied to the voltage drop occuring from terminals v dd , v1, v4 and v5 to each common terminal (c1-c16) when 0.1ma is flown in or out to and from all com and seg terminals, and also to voltage drop occuring from terminals v dd , v2, v3 and v5 to each seg terminal (s1-s60). when the output level is at v dd , v1 or v2 level, 0.1ma is flown out, while 0.1ma flow in when the output level is at v3, v4 or v5 level. this occurs when 5v or -5v is input to v dd , v1 and v3 or to v2, v4, and v5 respectively.
ks0068b 16com/60seg driver & controller for dot matrix lcd dc characteristics (v dd =+3v ? 10%, v ss =0v, t a =-30 ~ +85 ? ) characteristic symbol test condition min typ max unit applicable pin operating voltage v dd - 2.7 3.0 3.3 v operating current (*1) i dd1 ceramic resonator fosc=250khz -0.30.5ma i dd2 resistor oscillation external clock operation fosc=270khz - 0.17 0.3 input voltage 1 high v ih1 -1.9-v dd ve, db 0 -db 7 , low v il1 - -0.3 - 0.4 r/w, rs input voltage 2 high v ih2 -0.7v dd -v dd osc1 low v il2 ---0.2v dd output voltage 1 high v oh1 i oh =-0.1ma 2.0 - - db 0 -db 7 low v ol1 i ol =0.1ma - - 0.4 output voltage 2 high v oh2 i o =-40 0.8v dd - - clk1, clk2, low v ol2 i o =40 - - 0.2v dd m, d voltage drop (*2) com vd com i o = ? 0.05ma --1 c1-c16 seg vd seg - - 1.5 s1-s60 input leakage current i lkg v in =0 or v dd -1 - 1 e input low current i in v dd =3v (test pull up r) -10 -50 -120 rs,r/w external clock frequency (*3) f ec 125 250 350 khz osc1 duty duty - 45 50 55 % rise time t r --0.2 ? fall time t f --0.2 ? internal clock frequency(*3) f osc rf=75k ` ? 2% 190 270 350 khz osc1, osc2 lcd driving voltage(*4) v lcd1 v dd -v 5 1/5 bias 3.0 - 10.0 v v 1 -v 5 v lcd2 1/4 bias 3.0 - 10.0 note: *1) : the supply current value from v dd when power condition is as follows v dd = 5v, v ss = 0v, v5 = -2v v dd = 3v, v ss = 0v, v5 = -2v *2) : the voltage drop from lcd bias terminals v dd , v1, v4 and v5 to each common terminal (c1-c16) and also to voltage drop lcd bias terminals v dd , v2, v3 and v5 to each segment terminal (s1-s80) *3) and *4) : refer to oscillator circuit and input the voltage listed in the table bellow to v1 ~ v5.
ks0068b 16com/60seg driver & controller for dot matrix lcd *3) oscillator circuit resistor circuit external clock cirucit *4) input the voltage listed in the table below to v 1 -v 5 1/8, 1/11 1/16 1/4 1/5 v 1 v dd -v lcd /4 v dd -v lcd /5 v 2 v dd -v lcd /2 v dd -2v lcd /5 v 3 v dd -v lcd /2 v dd -3v lcd /5 v 4 v dd -3v lcd /4 v dd -4v lcd /5 v 5 v dd -v lcd v dd -v lcd ~ v lcd is the lcd driving voltage, refer to the initial set of the instruction code. bias duty power supply
ks0068b 16com/60seg driver & controller for dot matrix lcd ac characteristics (v dd =5v 10%, v ss =0v, ta=-30 ~ +85 ? ) (1) write mode (writing data from micom to ks0068b) characteristic symbol min typ max unit test pin e cycle time t c 500 - - ns e e rise time t r - - 25 ns e e fall time t f - - 25 ns e e pulse width (high, low) t w 220 - - ns e r/w and rs set-up time t su1 40 - - ns r/w, rs r/w and rs hold time t h1 10 - - ns r/w, rs data set-up time t su2 60 - - ns db 0 ~db 7 data hold time t h2 10 - - ns db 0 ~db 7 rs v ih1 v il1 v ih1 v il1 t su1 v il1 r/w t h1 v il1 t h1 t w v ih1 v il1 v ih1 v il1 t r t f t su2 v il1 t h2 v ih1 v il1 v ih1 v il1 valid data t c e db 0 - db 7
ks0068b 16com/60seg driver & controller for dot matrix lcd (2) read mode (reading data from ks0068b to micom) characteristic symbol min typ max unit test pin e cycle time t c 500 - - ns e e rise time t r - - 25 ns e e fall time t f - - 25 ns e e pulse width (high, low) t w 220 - - ns e r/w and rs set-up time t su 40 - - ns r/w, rs r/w and rs hold time t h 10 - - ns r/w, rs data output delay time t d - - 120 ns db 0 ~db 7 data hold time t dh 20 - - ns db 0 ~db 7 rs v ih1 v il1 v ih1 v il1 t su r/w t h v il1 t w v il1 v ih1 v il1 t d t f v il1 v ih1 v il1 v ih1 v il1 valid data t c e db 0 - db 7 t h t dh t r
ks0068b 16com/60seg driver & controller for dot matrix lcd (3) interface mode with ks0065b, ks0063b characteristic symbol min typ max unit test pin clock pulse width high t wckh 800 - - ns clk clock pulse width low t wckl 800 - - ns clk data set-up time t su 300 - - ns d data hold time t dh 300 - - ns d clock set-up time t csu 500 - - ns clk m delay time t dm -1000 - 1000 ns m 0.9v dd 0.9v dd clk1 clk2 d m t wckh t wckh t csu 0.9v dd t csu t wckl 0.9v dd 0.1v dd 0.1v dd 0.1v dd 0.9v dd 0.1v dd 0.9v dd 0.1v dd t su t dh 0.9v dd t dm
ks0068b 16com/60seg driver & controller for dot matrix lcd ac characteristics (v dd =3v 10%, v ss =0v, ta=-30 ~ +85 ? ) (1) write mode (writing data from micon to ks0068b) characteristic symbol min typ max unit test pin e cycle time t c 1400 - - ns e e rise time t r - - 25 ns e e fall time t f - - 25 ns e e pulse width (high, low) t w 400 - - ns e r/w and rs set-up time t su1 60 - - ns r/w, rs r/w and rs hold time t h1 20 - - ns r/w, rs data set-up time t su2 140 - - ns db 0 ~db 7 data hold time t h2 10 - - ns db 0 ~db 7 (2) read mode (reading data from ks0068b to micom) characteristic symbol min typ max unit test pin e cycle time t c 1400 - - ns e e rise time t r - - 25 ns e e fall time t f - - 25 ns e e pulse width (high, low) t w 400 - - ns e r/w and rs set-up time t su 60 - - ns r/w, rs r/w and rs hold time t h 20 - - ns r/w, rs data output delay time t d - - 360 ns db 0 ~db 7 data hold time t dh 5--ns db 0 ~db 7 (3) interface mode with ks0065b, ks0063b characteristic symbol min typ max unit test pin clock pulse width high t wckh 800 - - ns clk clock pulse width low t wckl 800 - - ns clk data set-up time t su 300 - - ns d data hold time t dh 300 - - ns d clock set-up time t csu 500 - - ns clk m delay time t dm -1000 - 1000 ns m
ks0068b 16com/60seg driver & controller for dot matrix lcd control and display command command rs r/w db 7 db 6 db 5 db 4 db 3 db 2 db 1 db 0 excution time (fosc=250khz) remark display clearlllllllll h 1.64ms return home l l l lllllhx 1.64ms cursor move to first digit entry mode set lllllllhi/dsh 40 ? i/d; set cursor move direction sh: specifies shift of display display on/off llllllhdcb 40 ? display shift lllllhs/cr/lxx 40 ? set function llllhdlnfxx 40 ? table 1. l decrease increase h i/d display is not shifted display is shifted sh l h h h display off display on l d cursor off cursor on l c blinking cursor h h blinking off blinking on l b h cursor move display shift l sc left shift right shift l r/l h h h 4 bits interface 8 bits interface l dl 1 line display 2 line display l n 5
7 dots 5
10 dots l f
ks0068b 16com/60seg driver & controller for dot matrix lcd control and display command (continued) command rs r/w db 7 db 6 db 5 db 4 db 3 db 2 db 1 db 0 excution time (fosc=250khz) remark set cg ram address lllh 40 ? cg ram data is sent and received after this setting set dd ram address llh 40 ? dd ram data is sent and recevied after this setting read busy flag & address lhbf 0 ? - reads bf indication internal operating is being performed. - reads address counter contents write data h l 46 ? write data into dd or cgram read data h h 46 ? read data from dd or cgram x : don t care cg ram address (corresponds to cursor address) address counter used for both dd & cg ram address dd ram address write data read data h ready busy l f f bf
ks0068b 16com/60seg driver & controller for dot matrix lcd application information according to lcd panel 1) lcd pandel: 12 character
1 line, character format; 5
7 dots + 1 cursor line (1/4 bias, 1/8 duty) 2) lcd panel: 12 character
1 line, character format; 5
10 dots + 1 cursor line (1/4 bias, 1/11 duty) ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ c 1 c 8 s 1 s 60 ks0068 c 1 c 11 s 1 s 60 ks0068
ks0068b 16com/60seg driver & controller for dot matrix lcd 3) lcd panel : 12 character
2 line character format; 5
7 dots + 1 cursor line (1/5 bias, 1/16 duty) 4) lcd panel : 24 character
1 line, character format; 5
7 dots + 1 dots + 1 cursor line (1/5 bias, 1/16 duty) c 1 c 8 c 9 c 16 s 1 s 60 ks0068 c 1 c 8 s 1 s 60 c 9 c 16 ks0068
ks0068b 16com/60seg driver & controller for dot matrix lcd 5) lcd panel : 6 character
2 line character format; 5
7 dots + 1 cursor line (1/4 bias, 1/8 duty) bias voltage divide circuit application circuit s 1 s 30 c 1 c 8 s 31 s 60 ks0068 v dd v 1 v 2 v 3 v 4 v 5 ks0068 v dd r r r r r ( 1/5 bias, 1/16 duty ) -5v or gnd ks0068 v dd v dd v 1 v 2 v 3 v 4 v 5 -5v or gnd r r r r ( 1/4 bias, 1/8 or 1/11 duty )
ks0068b 16com/60seg driver & controller for dot matrix lcd application circuit d osc1 v ss m clk1 clk2 v dd v 1 osc2 v 2 v 3 v 4 v 5 v dd sc 1 ~ sc 40 dl2 dr1 ks0065b dl1 fcs shl1 shl2 v ss dr2 cl1 cl2 m sc 1 ~ sc 40 dl2 dr1 ks0065b dl1 fcs shl1 shl2 v ss dr2 cl1 cl2 m v dd v 6 v 5 v 4 v 3 v 2 v 1 v ee sc 1 ~ sc 40 dl2 dr1 ks0065b dl1 fcs shl1 shl2 v ss dr2 cl1 cl2 m v 1 v 2 v 3 v 4 v 5 gnd or other voltage v lcd ( 1/5 bias ) when ks0065b is externally connected to the ks0068, you can increase the number of display di g its up to 80 characters. lcd panel ks0068 db 0 ~ db 7 to mpu c 1 ~ c 16 v dd v 6 v 5 v 4 v 3 v 2 v 1 v ee v dd v 6 v 5 v 4 v 3 v 2 v 1 v ee s 1 ~ s 60
ks0068b 16com/60seg driver & controller for dot matrix lcd pad diagram * ks0068b marking : easy to find the pad no.72,81 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 58 57 56 55 54 53 52 51 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 22 23 24 25 26 27 28 29 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ks0068b (0,0) x y chip size : 5770 3 3 4980 pad size : 100 3 3 100 unit : ? ? m
ks0068b 16com/60seg driver & controller for dot matrix lcd pad location pad name pad name pad name pad number pad number pad number coordinate coordinate unit ( s s m) coordinate y yx x y x seg58 seg57 seg56 seg55 seg54 seg53 seg52 seg51 seg50 seg49 seg48 seg47 seg46 seg45 seg44 seg43 seg42 seg41 seg40 seg39 seg38 seg37 seg36 seg35 seg34 seg33 seg32 seg31 seg30 seg29 seg28 seg27 436 560 686 810 936 1060 1186 1310 1436 1560 1686 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 2358 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 -453 -328 -203 -78 47 172 297 422 547 672 797 922 1047 1172 1297 1422 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 clk1 clk2 m d rs r/w e vdd db0 db1 db2 db3 db4 db5 db6 db7 com1 com2 com3 com4 com5 com6 com7 com8 com9 com10 com11 com12 com13 com14 com15 com16 seg60 seg59 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1684 -1078 -953 -828 -703 -578 seg26 seg25 seg24 seg23 seg22 seg21 seg20 seg19 seg18 seg17 seg16 seg15 seg14 seg13 seg12 seg11 seg10 seg9 seg8 seg7 seg6 seg5 seg4 seg3 seg2 seg1 vss osc2 osc1 v1 v2 v3 v4 v5 -2358 -2358 -2358 -2358 -2358 -2358 -2358 -2358 -2358 -2358 -2358 -2358 -2358 -2358 -2358 -2358 -1814 -1690 -1564 -1440 -1314 -1190 -1064 -940 -814 -690 -564 -440 -314 -190 -64 60 186 310 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 1684 1249 1124 999 874 749 624 499 374 249 124 -1 -126 -251 -376 -501 -626 -751 -876 -1001 -1126 -1251 1686 1560 1436 1310 1186 1060 936 810 686 560 436 310 186 60 -64 -190 -314 -440 -564 -690 -814 -940 -1064 -1190 -1314 -1440 -1702 -1868 -1994 -2358 -2358 -2358 -2358 -2358
ks0068b 16com/60seg driver & controller for dot matrix lcd standard character pattern (KS0068B-00)

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