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nhd - 0216sz - nsw - bbw - 33v3 character liquid crystal display module nhd - newhaven display 0216 - 2 l ines x 16 c haracters sz - model n - transmissive sw - side white led backlight b - stn negative - blue b - 6:00 optimal v iew w - wide temperature 33v3 - 3.3 vdd, 3 v b acklight rohs compliant newhaven display international, inc. 2661 galvin ct. 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 2/7/2012 3.3v liquid crystal imple mented sb 1 7/18/2012 datasheet reformatted ak 2 8/31/17 mechanical, electrical & optical characteristics updated sb functions and features ? 2 line s x 16 characters ? built - in controller ( st7066u or equivalent ) ? +3 .3 v 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 informaton 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-0216SZ-NSW-BBW-33V3 08/31/17 date unit part number: mm gen. tol. 0.3 rev descripton date a .a. pin assignment 3 4 1 2 vss vdd v0 rs rw 5 e 6 db0~db7 7~14 l ed+ 15 l ed- 16 notes: 1. driver: 1/8 duty, 1/4 bias 2. voltage: 3.3v vdd, 3.0v vlcd 3. display mode: stn negatve / blue / transmissive 4. optmal view: 6:00 5. backlight: white led 6. driver ic: st7066u 8/4-bit mpu interface proprietary
[ 4 ] pin description and wiring diag ram pin no. symbol external connection function description 1 v ss power supply ground 2 v dd power supply supply voltage for l ogic (+3 .3 v) 3 v 0 adj . power supply s upply voltage for c ontrast (approx. 0 . 3 v) 4 r s mpu register s elect signal. rs=0: command, r s=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 db0 C db 3 mpu four low order bi - directional three - state data bus lines. these four are not used during 4 - bit oper ation. 11 - 14 db4 C db7 mpu four high order bi - directional three - state data bus lines. 15 led+ power supply backlight an ode (+3.0v) 16 led - power supply backlight cathode (g round) recommended lcd connector : 2.54 mm pitch pins backlight connect or: --- 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 v dd - 3 .1 3. 3 3 .5 v supply current i dd v dd = 5.0v t op = 25c 0 .5 1.5 3 .0 ma supply for lcd (contrast) v dd C v 0 2 .8 3 .0 3 .2 v h level input v ih - 0.7 * v dd - v dd v l level input v il - v ss - 0.6 v h level output v oh - 0.75 * v dd - v dd v l level output v ol - v ss - 0.2 * v dd v backlight supply voltage v l ed - 2 .8 3.0 3 .2 v backlight supply current i led v led = 3.0 v 2 0 3 0 4 0 ma optical characteristics item symbol condition min. typ. max. unit optimal viewing angles top ? y+ cr 2 - 40 - bottom ? y - - 60 - left x - - 60 - right x+ - 60 - contrast ratio cr - 2 5 - - response time rise t r t op = 25c - 1 50 250 ms fall t f - 200 300 ms controller information built - in st7066u controller . please d ownload specification at http://www.newhavendisplay.com/app_notes/st7066u.pdf d d ram address 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f
[ 6 ] table of commands instruction instruction code description execution time (fosc= 270 khz rs r/w db7 db6 db5 db4 db3 db2 db1 db0 clear display 0 0 0 0 0 0 0 0 0 1 write ?20h? to ddram and set ddram address to ?00h? from ac 1.5 2 ms return home 0 0 0 0 0 0 0 0 1 - set ddram address to ?00h? from ac and return cursor to its original position if shifted. the contents of ddram are not changed. 1.5 2 ms entry mode set 0 0 0 0 0 0 0 1 i/d sh sets cursor move direction and specifies display shift. these parameters are performed during data write and read. 3 7 s display on/ off control 0 0 0 0 0 0 1 d c b d=1: entire display on c=1: cursor on b=1: blinking cursor on 37 s cursor or display shift 0 0 0 0 0 1 s/c r/l - - sets cursor moving and display shift control bit, and the direction without changing ddram data. 37 s function set 0 0 0 0 1 dl n f - - dl: interface data is 8/4 bits n: number of lines is 2/1 f: font size is 5x11/5x8 37 s set cgram address 0 0 0 1 ac5 ac4 ac3 ac2 ac1 ac0 set cgram address in address counter 37 s set ddram address 0 0 1 ac6 ac5 ac4 ac3 ac2 ac1 ac0 set ddram address in address counter. 37 s read busy flag and address 0 1 bf ac6 ac5 ac4 ac3 ac2 ac1 ac0 whether during internal operation or not can be known by reading bf. the contents of address counter can also be read. 0s write data to address 1 0 d7 d6 d5 d4 d3 d2 d1 d0 write data into internal ram (ddram/cgram). 37 s read data from ram 1 1 d7 d6 d5 d4 d3 d2 d1 d0 read data from internal ram (ddram/cgram). 37 s
[ 7 ] timing characteristics writing data from mpu to st7066u
[ 8 ] reading data from st7066u to mpu
[ 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 upper 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 upper 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 , 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 & c urrent) 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 e lectric 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 lc ds/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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