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nhd - 0108cz - fsw - gbw - 33v3 character liquid crystal display module nhd - newhaven display 0108 - 1 line x 8 characters cz - model f - transflective sw - side white led backlight g - stn - gray b - 6:00 view w - wide temperature ( - 20c~+70c) 33v3 - 3.3vdd, 3v backlight 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 10/31 /2011 33v C improved lcd liquid; vdd = 3.3v sb 1 07/18/2013 mechanical and timing characteristics updated ka functions and features ? 1 line x 8 characters ? built - in controller ( st7066u or equivalent ) ? + 3 . 3 v power supply ? 4 - bit or 8 - bit mpu interface ? 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-0108CZ-FSW-GBW-33V3 07/18/13 date unit model: mm gen. tolerance 0.3mm rev descripton date 1 vss 2 vdd 3 v0 4 rs 5 r/w 6 e 7~10 db4~db7 11~14 db0~db3 a led+ pin assignment 1 10 11 14 a k k led- notes: 1) . driver met hod: 1/8du ty, 1/ 4b ia s, vdd3.3v vlcd3.3v 2) . display t y pe: s tn-gra y/ positive /tr ansf le ct ive/6:00 vis ua l a ngle 3) . operati ng t emp : -20c~ 70 c/stora ge temp: -30c~ 80 c 4) . backlight type : e dge /white/ vled3 .0v/ 30 ma 5) . driv er: s t7066u/ 4bit or 8bit mpu 6) . rohs compliant confidential
[ 4 ] pin description and wiring diagram pin no. symbol external connection function description 1 v ss power supply ground 2 vdd power supply supply voltage for logic (+3 . 3 v) 3 v0 adj power supply power supply for contrast (approx. 0 v) 4 r s mpu register s elect 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 e nable signal. falling edge triggered. 7 - 1 0 db4 C db 7 mpu four high order bi - directional three - state data bus lines. 11 - 14 db0 C db 3 mpu four low order bi - directional three - state data bus lines. these four are not used during 4 - bit operation. a led+ power supply power supply for led backlight (+3.0 v) k led - power supply ground for backlight recommended lcd connector : 2.54 mm pitch pins backlight connector: --- mates with: ---
[ 5 ] electrical characteristics item symbol condition min. typ. max. unit operating temperature range t op absolute max - 20 - +70 ? c storage temperature range t st absolute max - 30 - +80 ? c supply voltage vdd - 3.3 - v supply current idd ta=25c, vdd=3 . 3 v - 1. 5 2 .5 ma supply for lcd (contrast) v dd - v0 ta=25c - 3. 3 - v h level input vih 0.7* vdd - vdd v l level input vil 0 - 0.6 v h level output voh 0.75* vdd - - v l level output vol - - 0.2* vdd v backlight supply voltage v led - 2.8 3.0 3.3 v backlight supply current iled vled =3.0v - 30 40 ma optical characteristics item symbol condition min. typ. max. unit viewing angle C top cr 2 - 40 - ? viewing angle C bottom - 60 - ? viewing angle C left - 60 - ? viewing angle - right - 60 - ? contrast ratio cr 2 5 - - response time (rise) tr - - 1 5 0 2 50 ms response time (fall) t f - - 20 0 30 0 ms controller information built - in st7066u controller. please d ownload specification at http://www.newhavendisplay.com/app_notes/st7066u.pdf d dram address 1 2 3 4 5 6 7 8 00 01 02 03 04 05 06 07
[ 6 ] table of commands
[ 7 ] timing characteristics writing data from mpu to st7066u
[ 8 ] reading data from st7066u to mpu
[ 9 ] b uilt - in font table
[ 10 ] example initialization code 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); //ena ble pulse width >= 460 ns 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 >= 460 ns 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; //sh ift 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 >= 460 ns 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 d elay(10); //must wait 160us, busy flag not available nybble(); //command 0x30 = wake up #2 delay(10); //must wait 160us, busy flag not available nybble(); //com mand 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 , 48 hrs 2 low temperature storage endurance test applying the low storage temperature for a long time. - 30 ? c , 48 hrs 1,2 high temperature operation endurance test applying the electric stress (voltage & current) and the high thermal stress for a long time. + 7 0 ? c 48 hrs 2 low temperature operation endurance test applying the electric stress (voltage & current) and the low thermal stress for a long time. - 20 ? c , 48 hrs 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. + 4 0 ? c , 90% rh , 48 hrs 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 - > 5 0?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.com/index.php?main_page=terms

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