lsi ls 6022 dual di splay real time clock with timer version 1.1 (18.11.00) features * dual 3 1/2 digit (hh:mm) lcd display * real time clock * 3/4 keys operation * max. timer range 15hour 59minute or 19hour 59minute bonding option * 5minute, 10 minute pre-alarm * trigger timer output * recall memory function * 1/2 bias 1/3 duty lcd format * very low power consumption * 32768 crystal oscillator * single 1.5v operation. general description the lsi6022 is a dual 3 1/2 digit lcd watch and ti mer i.c.. the i.c. display the timer/clock on the upper/lower display. the timer range can be se lected between 15:59 or 19:59 by bonding option. i t provides 10 minutes and 5 minutes pre-alarm. it ca n be used as a car park timer and kitchen timer. t he timer can be selected with 20minutes count up by bo nding option. the keytone can also be bonding option select. lcd drawing
lsi LS6022 version 1.1 (18.11.00) 2 functional description counting range the LS6022 is a count down timer with 4 digit di splay hh:mm at the upper display and a real time clock at the lower display. the maximum count dow n range is 19 hour 59 minutes or 15hour 59 minutes selected by bonding option. four key operation the LS6022 support 4 keys : kset, kst, khr, kmin. the LS6022 display the clock on the lower display a nd is always on. when the timer is in-active for 1 minute, the timer display(upper) is off. press an y of the kst, khr, kmin will wake up the timer. when the timer is wake-up, press kmin to set the counting minute. press khr to set the counting hour. press kst to start the count down. when the system is counting, press kstart will paus e the counting. press kstart again to resume counting. at any time, press kset to enter set clock mode, press kmin to set the real time clock minute. press khr to set the real time clock hour. system reset when khr and kmin is pressed simultaneously, the ti mer resets to 0:00. pre-alarm at 10minutes, 5minutes before the alarm time, the s ystem gives two pre-alarm signal. auto-off when there is no activities for 1 minute, the syste m will automatically power off the lcd. press any key will wake up the system again. bonding option there are 3 bonding option the control the LS6022, bkeytone, bup, b1519 bkeytone description vdd with keytone gnd no keytone bup description vdd 20 minute count up at end of count gnd stop at 0 at end of count b1519 description vdd 15 hour gnd 19 hour
lsi LS6022 version 1.1 (18.11.00) 3 trigger output when the timer counts down to 0, r0 will provide a trigger output. the output duration is 1 minute i f no key is pressed during this 1 minute. the trigg er output can be aborted by pressing any key during this 1 minute interval. pin assignment designation type description b0, b1 output buzzer output f512, vcap output doubler output vee output -1.5v t1, t2, xt7, xt8, xt9, xt10, xt11 input test pin cosco output 32khz oscillator output cosci input 32khz oscillator input vdd power +1.5v power supply gnd power ground bkeytone,b1519, bup input(ph) bonding option kst,kset, kmin, khr input(ph) input key pb input(ph) power up reset c[1:3] output lcd common output s[1:16] output lcd segment output note: (ph) - pull high; absolute maximum ratings supply voltage vdd - vss..........................0 to 5v input voltage vin.................................v ss to vdd operating temperature top .............-10 c to 60 c storing temperature tst ...................-40 c to 70 c comments stress above those listed under } absolute maximum ratings? may cause permanent damage to the device. these are stress rating only. functional operation of this device at these or any other conditions above those indicated in the opera tional sections of this specification is not impli ed and exposure to absolute maximum rating conditio ns for extended periods may affect device reliability.
lsi LS6022 version 1.1 (18.11.00) 4 d.c. electrical characteristics (gnd = 0v, vdd = 1.5v, ta = 25 c unless otherwise specified) parameter symbol min. typ. max. unit conditions supply voltage vdd 1.2 1.5 1.8 v operating current idd - 2 5 a no load osc. built-in cap cd - 20 - pf osc. trimmer cap ctrim 5 - 35 pf frequency stability ^f/f - - 10 ppm vdd=1.6-1.4 buzzer output current ib 500 - - a vbd-vss=0.5 lcd frequency flcd - 64 - hz segment current is 0.15 - - a vseg=0.2v common current ic 3.0 - - a vcom=0.2v pad coordinate pad x( ? m) y( ? m) pad x( ? m) y( ? m) gnd vcap vee v512 c3 c2 c1 s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 s16 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1295.0 -1303.0 -1163.0 -1023.0 -883.0 -1394.0 -1251.0 -1110.0 -965.0 -825.0 -685.0 -545.0 -400.0 -260.0 -120.0 +20.0 +160.0 +300.0 +440.0 +580.0 +720.0 +860.0 +1000.0 +1140.0 +1350.0 +1350.0 +1350.0 +1350.0 pb r2 r1 r0 osco osci t1 gnd1 b1 b0 vdd t2 b1519 bkeytone xt7 bup kstart kset khr kmin xt8 xt9 xt10 xt11 -743.0 -593.0 -449.0 -225.0 -75.0 +1105.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1246.0 +1350.0 +1350.0 +1350.0 +1350.0 +1350.0 +1340.0 +1340.0 +1140.0 +988.0 +678.0 +543.0 +395.0 +226.0 +78.0 -70.0 -216.0 -365.0 -513.0 -661.0 -809.0 -957.0 -1105.0 -1253.0 -1400.0
lsi LS6022 version 1.1 (18.11.00) 5 pad location
lsi LS6022 version 1.1 (18.11.00) 6 application circuit
lsi LS6022 version 1.1 (18.11.00) 7 lcd drawing s16 s15 s14 s13 s12 s11 s10 s9 s8 s7 s6 s 5 s4 s3 s2 s1 com1:3b 3g 3c 3d 2b 2g 2c 2d 1b 1g 1c 1 d 5b 5g 5c 5d com2:3a 3f 3e off 2a 2f 2e ct 1a 1f 1e 0 bc 5a 5f 5e 4bc com3:7d 7c 7g 7b 7a 7f 7e tim 6c 6b 6ad c c 6f 6g 6e pm
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