[1] nhd -010 8cz-rn -gbw -33v character liquid crystal display module nhd- newhaven display 0108- 1 line x 8 characters cz- model r- reflective n- no backlight g- stn- gray b- 6:00 view w- wide temperature (-20c~+70c) 33v- 3.3 volt supply 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 1/31/2012 33v C improved liquid; vdd = 3.3v sb functions and features 1 line x 8 characters built-in controller (st7066u) +3.3v power supply 1/16 duty, 1/5 bias rohs compliant
[3] 1 vss 2 vdd 3 v0 4 rs 5 r/w 6 e 7~10 db4~db7 11~14 db0~db3 a nc pin assignment 1 10 11 14 ak k nc notes: 1). driver method: 1/16duty, 1/5bias, vdd 3.3 v, vlcd 3.2v 2). display type: stn-gray/positive/reflectiv e/6:00 visual angle 3). operating temp: -20c~70c/storage temp: -30c~80c 4). drvier: st7066u or equivalent/4bit or 8bi t mpu 5). rohs compliant model name: NHD-0108CZ-RN-GBW-33V newhaven display
[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 (+3.3v) 3 v0 adj power supply power supply for contrast (approx. 0.1v) 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 db4 C db7 mpu four high order bi-directional three-state data bus lines. 11-14 db0 C db3 mpu four low order bi-directional three-state data bus lines. these four are not used during 4-bit operation. a nc - no connect k nc - no connect recommended lcd connector: 2.54mm 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 - 3.3 - v supply current idd ta=25c, vdd=3.3v - 1.0 1.5 ma supply for lcd (contrast) vdd-v0 ta=25c - 3.2 - 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 vled - - - - v backlight supply current iled - - - - ma optical characteristics item symbol condition min. typ. max. unit viewing angle C vertical (top) av cr 2 - 25 - ? viewing angle -vertical (bottom) av cr 2 - 70 - ? viewing angle C horizontal (left) ah cr 2 - 30 - ? viewing angle C horizontal (right) ah cr 2 - 30 - ? contrast ratio cr - 2 - - response time (rise) tr - - 120 150 ms response time (fall) tf - - 120 150 ms controller information built-in st7066u. download specification at http://www.newhavendisplay.com/app_notes/st7066u.pdf display character address code location 1 2 3 4 5 6 7 8 address (hex) 00 01 02 03 04 05 06 07
[6] command table 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 ddra and set ddram address to 00h from ac 1.53ms 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. 1.53ms entry mode set 0 0 0 0 0 0 0 1 i/d sh assign cursor moving direction and blinking of entire display 39us display on/ off control 0 0 0 0 0 0 1 d c b set display (d), cursor (c), and blinking of cursor (b) on/off control bit. cursor or display shift 0 0 0 0 0 1 s/c r/l - - set cursor moving and display shift control bit, and the direction, without changing of ddram data. 39us function set 0 0 0 0 1 dl n f - - set interface data length (dl: 8- bit/4-bit), numbers of display line (n: =2-line/1-line) and, display font type (f: 5x11/5x8) 39us set cgram address 0 0 0 1 ac5 ac4 ac3 ac2 ac1 ac0 set cgram address in address counter. 39us set ddram address 0 0 1 ac6 ac5 ac4 ac3 ac2 ac1 ac0 set ddram address in address counter. 39us 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. 0us write data to address 1 0 d7 d6 d5 d4 d3 d2 d1 d0 write data into internal ram (ddram/cgram). 43us read data from ram 1 1 d7 d6 d5 d4 d3 d2 d1 d0 read data from internal ram (ddram/cgram). 43us
[7] built-in font table
[8] example initialization program 8-bit initialization: /************************************************** ********/ void command(char i) { p1 = i; //put data on o utput port d_i =0; //d/i=low : sen d instruction r_w =0; //r/w=low : wri te e = 1; delay(1); //enable pulse width >= 300ns e = 0; //clock enable: falling edge } /************************************************** ********/ void write(char i) { p1 = i; //put data on o utput port d_i =1; //d/i=low : sen d data r_w =0; //r/w=low : wri te e = 1; delay(1); //enable pulse width >= 300ns e = 0; //clock enable: falling edge } /************************************************** ********/ void init() { e = 0; delay(100); //wait >15 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 160 us, busy flag not available command(0x30); //command 0x30 = wake up #3 delay(10); //must wait 160 us, busy flag not available command(0x38); //function set: 8-bit/2-line command(0x10); //set cursor command(0x0c); //display on; c ursor on command(0x06); //entry mode se t } /************************************************** ********/
[9] 4-bit initialization: /************************************************** ********/ void command(char i) { p1 = i; //put data on o utput port d_i =0; //d/i=low : sen d instruction r_w =0; //r/w=low : wri te nybble(); //send lower 4 bits i = i<<4; //shift over by 4 bits p1 = i; //put data on o utput port nybble(); //send upper 4 bits } /************************************************** ********/ void write(char i) { p1 = i; //put data on o utput port d_i =1; //d/i=high : se nd data r_w =0; //r/w=low : wri te nybble(); //clock lower 4 bits i = i<<4; //shift over by 4 bits p1 = i; //put data on o utput 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 >15 msec after power is applied p1 = 0x30; //put 0x30 on t he output port delay(30); //must wait 5ms , busy flag not available nybble(); //command 0x30 = wake up delay(10); //must wait 160 us, busy flag not available nybble(); //command 0x30 = wake up #2 delay(10); //must wait 160 us, busy flag not available nybble(); //command 0x30 = wake up #3 delay(10); //can check bus y flag now instead of delay p1= 0x20; //put 0x20 on t he output port nybble(); //function set: 4-bit interface command(0x28); //function set: 4-bit/2-line command(0x10); //set cursor command(0x0f); //display on; b linking cursor command(0x06); //entry mode se t } /************************************************** ********/
[10] quality information test item content of test test condition note high temperature storage endurance test applying the hig h storage temperature for a long time. +80?c , 48hrs 2 low temperature storage endurance test applying the lo w 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 el ectric 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 elect ric 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 containe r. 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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