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? ? ? ? ? nhd \ 0212wh \ ayyh \ jt# ? character ? liquid ? crystal ? display ? module ? ? nhd \? ? newhaven ? display ? 0212 \? ? 2 ? lines ? x ? 12 ? characters ? wh \? ? display ? type: ? character ? a \? ? model ?? y \? ? yellow/green ? led ? backlight ? y \? ? stn \? yellow/green ? h \? ? transflective, ? 6:00 ? view, ? wide ? temp. ? ( \ 20c ? ~ ? +70c) ?? jt# \? ? english/japanese ? standard ? font ? ?? rohs ? compliant ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? newhaven ? display ? international, ? inc. ? 2511 ? technology ? drive, ? suite ? 101 ? elgin ? il, ? 60124 ? ph: ? 847 \ 844 \ 8795 ? fax: ? 847 \ 844 \ 8796 ? ? ? www.newhavendisplay.com ? nhtech@newhavendisplay.com ?? nhsales@newhavendisplay.com ?
[2] ? ? document ? revision ? history ? revision ? date ? description ? changed ? by ? 0 ? 10/21/2008 ? initial ? release ?\? 1 ? 10/8/2009 ? user ? guide ? reformat ? be ? 2 ? 10/23/2009 ? block ? diagram ? revision ? be ? 3 ? 1/5/2010 ? optical ? revised ? be ? 4 ? 1/6/2011 ? alternate ? controller ? information ? updated ? ak ? 5 ? 4/10/2013 ? mechanical ? drawing, ? optical ? characteristics ? updated ? ak ? ? ? ? ? functions ? and ? features ? ? 2 ? lines ? x ? 12 ? characters ? ? built \ in ? controller ? (st7066) ? ? +5.0v ? power ? supply ? ? 1/16 ? duty, ? 1/5 ? bias ? ? rohs ? compliant ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
1 2 3 4 5 6 a b c d b c d 1 2 3 4 5 6 mechanical drawing a [3] the drawing contained herein is the exclusive property of newhaven display internatonal, inc. and shall not be copied, reproduced, and/or disclosed in any format without permission. NHD-0212WH-AYYH-JT# 04/10/13 date unit model: mm gen. tolerance 0.3mm rev descripton date db4 12 14 13 db6 db5 v ss 1 e 7 11 10 8 9 db3 db2 db1 db0 4 6 5 3 2 r/w rs v0 v dd led o r no b/l db7 a15 0.45 0.55 0.60 0. 70 2.65 5. 50 3.20 6.20 8.93 10.15 37.85( aa) 46. 0(va) 4.85 46 .7 4.5 51 .3 2.2 55.7 0.5 11.7 (a a) 8.75 14.5 (v a) 17.5 7. 25 24.7 3. 65 32. 0 0.5 17 .78 18. 96 12.25 31 .2 9.0 11.5 30.0 1.0 1.5 3.0 1.5 1.6 5.1 9.7max (p1.27*14) 1 15 15- 0.7pth 15- 1.0 pad 1.0 4- 1.0pth 4-r1. 25 confidential
[4] ? ? pin ? description ? and ? wiring ? diagram ? pin ? no. ? symbol ? external ? connection ? function ? description 1 ? vss ? power ? supply ? ground 2 ? vdd ?? power ? supply ? supply ? voltage ? for ? logic ? (+5.0v) 3 ? v0 ? adj ? power ? supply ? power ? supply ? for ? contrast ? (approx. ? 0.8v) 4 ? rs ? mpu ? register ? select ? signal. ? rs=0: ? command, rs=1: ? data ? 5 ? r/w ? mpu ? read/write ? select ? signal, ? r/w=1: ? read r/w: ? =0: ? write ? ? 6 ? e ? mpu ? operation ? enable ? signal. falling ? edge ? triggered. ? 7 \ 10 ? db0 ? ? db3 ? mpu ? four ? low ? order ? bi \ directional ? three \ state ? data bus ? lines. ?? these ? four ? are ? not ? used ? during ? 4 \ bit ? operation. ? 11 \ 14 ? db4 ? ? db7 ? mpu ? four ? high ? order ? bi \ directional ? three \ state ? data ? bus ? lines. ?? 15 ? a ? power ? supply ? power ? supply ? for ? led ? backlight ? (+4.2v) ? recommended ? lcd ? connector: ? 1.27mm ? pitch ? pins ? backlight ? connector: ??\\\?????????? mates ? with: ?? ?\\\ ? ? ? ? ? ?
[5] ? ? electrical ? characteristics ??? item ? symbol ? condition min. typ. max. ? unit operating ? temperature ? range ? top ? absolute ? max \ 20 \ +70 ?? c storage ? temperature ? range ? tst ? absolute ? max \ 30 \ +80 ?? c supply ? voltage ? vdd ? 4.5 5.0 5.5 ? v supply ? current ? idd ? ta=25c, ? vdd=5.0v \ 1.2 \? ma supply ? for ? lcd ? (contrast) ? vdd \ v0 ? ta=25c ? 3.5 4.2 5.7 ? v ?h? ? level ? input ? vih ? 0.7*vdd \ vdd ? v ?l? ? level ? input ? vil ? vss \ 0.6 ? v ?h? ? level ? output ? voh ? 3.9 \ vdd ? v ?l? ? level ? output ? vol ?\\ 0.4 ? v ?? ? backlight ? supply ? voltage ? vled ?\ 4.0 4.2 4.4 ? v backlight ? supply ? current ?? iled ? vled=4.2v 32 40 60 ? ma ? ? optical ? characteristics ? item ? symbol ? condition min. typ. max. ? unit viewing ? angle ? ? top ?? cr ?? 2 ? \ 20 \? ?? viewing ? angle ? ? bottom ?? \ 40 \? ?? viewing ? angle ? ? left ?? \ 30 \? ?? viewing ? angle ? ? right ?? \ 30 \? ?? contrast ? ratio ? cr ?\ 3 \? \? response ? time ? (rise) ? tr ?\ \ 150 200 ? ms response ? time ? (fall) ? tf ?\ \ 150 200 ? ms ? ? controller ? information ? built \ in ? st7066 ? controller. ? please ? download ? specification ? at ? http://www.newhavendisplay.com/app_notes/st7066u.pdf ? ? ? ddram ? character ? address ? 1 ? 2 ? 3 ? 4 ? 5 ? 6 ? 7 ? 8 ? 9 ? 10 11 ? 12 00 ? 01 ? 02 ? 03 ? 04 ? 05 ? 06 07 ? 08 ? 09 0a 0b 40 ? 41 ? 42 ? 43 ? 44 ? 45 ? 46 47 ? 48 ? 49 4a 4b ? ? ? ? ? ? ? ? ? ?
[6] ? ? table ? of ? commands ? ? ? ? ? ?
[7] ? ? timing ? characteristics ? ? ? ? ? ? ? ? ? ? ?
[8] ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
[9] ? ? built \ in ? font ? table ? ? ?
[10] ? ? example ? initialization ? program ? ? 8-bit initialization: /**********************************************************/ void command(char i) { p1 = i; //put data on output port d_i =0; //d/i=low : send instruction r_w =0; //r/w=low : write e = 1; delay(1); //enable pulse width >= 300ns e = 0; //clock enable: falling edge } /**********************************************************/ void write(char i) { p1 = i; //put data on output port d_i =1; //d/i=high : send data r_w =0; //r/w=low : write e = 1; delay(1); //enable pulse width >= 300ns e = 0; //clock enable: falling edge } /**********************************************************/ void init() { e = 0; delay(100); //wait >40 msec after power is applied command(0x30); //command 0x30 = wake up delay(30); //must wait 5ms, busy flag not available command(0x30); //command 0x30 = wake up #2 delay(10); //must wait 160us, busy flag not available command(0x30); //command 0x30 = wake up #3 delay(10); //must wait 160us, busy flag not available command(0x38); //function set: 8-bit/2-line command(0x10); //set cursor command(0x0c); //display on; cursor on command(0x06); //entry mode set } /**********************************************************/
[11] ? ? 4-bit initialization: /**********************************************************/ void command(char i) { p1 = i; //put data on output port d_i =0; //d/i=low : send instruction r_w =0; //r/w=low : write nybble(); //send lower 4 bits i = i<<4; //shift over by 4 bits p1 = i; //put data on output port nybble(); //send upper 4 bits } /**********************************************************/ void write(char i) { p1 = i; //put data on output port d_i =1; //d/i=high : send data r_w =0; //r/w=low : write nybble(); //clock lower 4 bits i = i<<4; //shift over by 4 bits p1 = i; //put data on output port nybble(); //clock upper 4 bits } /**********************************************************/ void nybble() { e = 1; delay(1); //enable pulse width >= 300ns e = 0; //clock enable: falling edge } /**********************************************************/ void init() { p1 = 0; p3 = 0; delay(100); //wait >40 msec after power is applied p1 = 0x30; //put 0x30 on the output port delay(30); //must wait 5ms, busy flag not available nybble(); //command 0x30 = wake up delay(10); //must wait 160us, busy flag not available nybble(); //command 0x30 = wake up #2 delay(10); //must wait 160us, busy flag not available nybble(); //command 0x30 = wake up #3 delay(10); //can check busy flag now instead of delay p1= 0x20; //put 0x20 on the output port nybble(); //function set: 4-bit interface command(0x28); //function set: 4-bit/2-line command(0x10); //set cursor command(0x0f); //display on; blinking cursor command(0x06); //entry mode set } /**********************************************************/ ?
[12] ? ? quality ? information ? test ? item ? content ? of ? test ? test ? condition ? note high ? temperature ? storage ? endurance ? test ? applying ? the ? high ? storage ? temperature ? for ? a ? long ? time. ? +80 ? c ? , ? 48hrs 2 ? low ? temperature ? storage ? endurance ? test ? applying ? the ? low storage ? temperature ? for ? a ? long ? time. ? \ 30 ? c ? , ? 48hrs 1,2 high ? temperature ? operation ? endurance ? test ? applying ? the ? electric ? stress ? (voltage ? & ? current) ? and ? the ? high ? thermal ? stress ? for ? a ? long ? time. ? +70 ? c ? 48hrs 2 ? low ? temperature ? operation ? endurance ? test ? applying ? the ? electric ? stress ? (voltage ? & ? current) ? and ? the ? low ? thermal ? stress ? for ? a ? long ? time. ? \ 20 ? c ? , ? 48hrs 1,2 high ? temperature ? / ? humidity ? operation ? endurance ? test ? applying ? the ? electric ? stress ? (voltage ? & ? current) ? and ? the ? high ? thermal ? with ? high ? humidity ? stress ? for ? a ? long ? time. ? +40 ? c ? , 90% ? rh ? , ? 48hrs ? 1,2 thermal ? shock ? resistance ? endurance ? test ? applying ? the ? electric ? stress ? (voltage ? & ? current) ? during ? a ? cycle ? of ? low ? and ? high ? thermal ? stress. ?? 0 ? c,30min ?\ > ? 25 ? c,5min ?\ > ? 50 ? c,30min ? = ? 1 ? cycle ? 10 ? cycles ? ? vibration ? test ? endurance ? test ? applying ? vibration ? to ? simulate ? transportation ? and ? use. ? 10 \ 55hz ? , ? 15mm ? amplitude. ? 60 ? sec ? in ? each ? of ? 3 ? directions ? x,y,z ? for ? 15 ? minutes ? 3 ? static ? electricity ? test ? endurance ? test ? applying ? electric ? static ? discharge. ? vs=800v, ? rs=1.5k , ? cs=100pf ? ? one ? time ? ? note ? 1: ? no ? condensation ? to ? be ? observed. ? note ? 2: ? conducted ? after ? 4 ? hours ? of ? storage ? at ? 25 ? c, ? 0%rh. ? note ? 3: ? test ? performed ? on ? product ? itself, ? not ? inside ? a ? container. ? ? ? precautions ? for ? using ? lcds/lcms ? see ? precautions ? at ? www.newhavendisplay.com/specs/precautions.pdf ? ? ? warranty ? information ? and ? terms ? & ? conditions ? http://www.newhavendisplay.co m/index.php?main_page=terms ? ? ? ?

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