nhd - c12832a1z - fs(rgb) - fbw - 3v cog (chip - on - glass) liquid crystal display module nhd - newhaven display c12832 - 128 x 32 p ixels a1z - model f - transflective srgb - side red/green/blue led backlight f - fstn positive b - 6:00 optimal v iew w - wide temp 3v - 3v dd 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 10/23/2012 initial release ak 1 6/15/16 mechanical drawing, electrical & optical char. , quality information updated sb 2 1/23/17 mechanical drawing & electrical characteristics updated sb 3 4/14/17 backlight characteristics updated sb 4 8/4/17 backlight characteristics updated sb 5 4/2/18 electrical characteristics updated sb functions and features ? 128 x 32 pixels ? 4 - line spi mpu interfaces ? built - in st75 65 r controller ? +3.0v power supply ? 1/ 33 duty cycle; 1/6 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-c12832a1z-fs(rgb)-fbw-3v 01/23/17 date unit part number: mm gen. tol. 0.3 rev descripton date silk screen notes: 1. driver: 1/33 duty, 1/6 bias 2. voltage: 3.3v v dd , 6v v lcd 3. display mode: fstn positve / trans?ectve 4. optmal view: 6:00 5. backlight: red, green, blue led 6. driver ic: st7565r, 4-wire spi proprietary
[ 4 ] pin description and wiring diagram pin no. symbol external connection function description 1 v 0 power supply 0.1f C 1f capacitor to v ss 2 v 1 power supply 0.1f C 1f capacitor to v ss 3 v 2 power supply 0.1f C 1f capacitor to v ss 4 v 3 power supply 0.1f C 1f capacitor to v ss 5 v 4 power supply 0.1f C 1f capacitor to v ss 6 c2 - power supply connect 1f C 2.2f capacitor to c2+ (pin 7) 7 c2+ power supply connect 1f C 2.2f capacitor to c2 - (pin 6) 8 c1+ power supply connect 1f C 2.2f capacitor to c1 - (pin 9) 9 c1 - power supply connect 1f C 2.2f capacitor to c1+ (pin 8) 10 v out power supply connect 1f C 2.2f capacitor to vss (pin 11) 11 vs s power supply ground 12 v dd power supply supply voltage for lcd and logic (+3v) 13 sda(si) mpu serial data 14 scl mpu serial clock 15 a0 mpu register select. a0=0: instruction, a0=1: data 16 rst mpu active low reset signal 17 cs1b mpu active low chip select signal a led+ power supply backlight anode k (r) (r) led - power supply red backlight cathode (ground) k(g) (g) led - power supply green backlight cathode (ground) k(b) (b) led - power supply blue backlight cathode (ground) recommended lcd connector : 1.5 mm pitch pins , solder directly into pcb backlight connector: 1. 5 mm w ide pins solder directly into pcb 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 - 2.7 3.0 3.3 v supply current i dd v dd = 3.0v t op =25 0.1 0.4 1 ma supply for lcd (contrast) v lcd 5.8 6.0 6.2 v h level input v ih - 0.8 *v dd - v dd v l level input v il - v ss - 0.2 * v dd v h level output v oh - 0.8 * v dd - v dd v l level output v ol - v ss - 0.2 * v dd v backlight supply voltage C red v led - 2.0 2.1 2.2 v backlight supply current C red i led v led = 2.1v 3 20 26 ma backlight supply voltage C green v led - 2.9 3.0 3.1 v backlight supply current C green i led v led = 3.0v 5 30 3 6 ma backlight supply voltage C blue v led - 2.9 3.0 3.1 v backlight supply current C blue i led v led = 3.0v 5 30 3 6 ma . optical characteristics item symbol condition min. typ. max. unit optimal viewing angles top ? y+ c r 2 - 2 0 - ? bottom ? y - - 40 - ? left x - - 40 - ? right x+ - 40 - ? contrast ratio c r - 2 6 - - response time rise t r t op = 25c - 200 250 ms fall t f - 250 320 ms controller information built - in st7565r controller . please d ownload specification at http://www.newhavendisplay.com/app_notes/st7565r.pdf
[ 6 ] timing characteristics
[ 7 ] t able of commands
[ 8 ] example initialization program void data_out(unsigned char i) //data output serial interface { unsigned int n; cs = 0; a0 = 1; for(n=0; n<8; n++){ i <<=1; scl = 0; p1 = i; delay(2); scl = 1; } cs = 1; } void comm_out(unsigned char j) //command output serial interface { unsigned int n; cs = 0; a0 = 0; for(n=0; n<8; n++){ j <<=1; scl = 0; p1 = j; delay(2); scl = 1; } cs = 1; } /**************************************************** * initialization for controller * *********** ******************************************/ void init_lcd() { comm_out(0xa0); comm_out(0xae); comm_out(0xc0); comm_out(0xa2); comm_out(0x2f); comm_out(0x26); comm_out(0x81); comm_out(0x2f); } /*****************************************************/
[ 9 ] q uality 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 , 96 hrs 2 low temperature storage endurance test applying the low storage temperature for a long time. - 30 ? c , 96 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 96 hrs 2 low temperature operation endurance test applying the electric stress (voltage & current) and the low thermal stress for a long time. - 20 ? c , 96 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. + 5 0 ? c , 90% rh , 96 hrs 1,2 thermal shock resistance endurance test applying the electric stress (voltage & current) during a cycle of low and high thermal stress. - 2 0 ? c , 6 0min - > 25?c,5min - > 7 0?c, 6 0min = 1 cycle 2 0 cycles vibration test endurance test applying vibration to simulate transportation and use. 10 - 5 0 hz 5g acceleration . 30 min in each of 3 directions x,y,z 3 static electricity test endurance test applying electric static discharge. vs=8 k v, rs= 330 k , c s=1 5 0pf 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.newhavendispl ay.com/index.php?main_page=terms
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