issue 1.2013 lcd-modul 2x8 - 5.01mm incl. controller st7066 features * super small lcd module * high contrast lcd-supertwist display (blue/neutral) * optional led-backlight yellow/green * hd 44780 compatible * 4- or 8-bit data bus interface * ascii character set built in * also available: 1x8 lcd with same dimensions * power supply + 5v or 2.7v or 3.3v @2ma and 50ma for led-b/l (5v) * operating temperature range ea dips082: -20?+70c * operating temperature range ea 8081-a3n: 0?+50c * no more mounting required: simply plug into pcb ordering information lcd-module 2x8 - 5.01mm ea dips082-hn with led backlight yellow/green ea dips082-hnled lcd-module 1x8 - 7.15 mm ea 8081-a3n dimension 40 x 20 mm no more mounting required
printing and typographical errors reserved. electronic assembly reserves the right to change specifications without prior notice. page 2 2x8 - 5.01mm pinout t ab le of commands instruction code description execute time (max.) rs r/w db 7 db 6 db 5 db 4 db 3 db 2 db 1 db 0 clear display 0 0 0 0 0 0 0 0 0 1 clears all display and returns the cursor to the home position (address 0). 1.64ms cursor at home 0 0 0 0 0 0 0 0 1 * returns the cursor to the home position (address 0). also returns the display being shifted to the original position. dd ram contents remain unchanged. 1.64ms entry mode set 0 0 0 0 0 0 0 1 i/d s sets the cursor move direction and specifies or not to shift the display. these operation are performed during data write and read. 40s display on/off control 0 0 0 0 0 0 1 d c b sets on/off of all display (d) cursor on/off (c), and blink of cursor position character (b). 40s cursor / display shift 0 0 0 0 0 1 s/c r/l * * moves the cursor and shifts the display without changing dd ram contents. 40s function set 0 0 0 0 1 dl n f * * sets interface data length (dl) number of display lines (n) and character font (f). 40s cg ram address set 0 0 0 1 acg sets the cg ram address. cg ram data is sent and received after this setting. 40s dd ram address set 0 0 1 add sets the dd ram address. dd ram data is sent and received after this setting. 40s busy flag / address read 0 1 bf ac reads busy flag (bf) indicating internal operation is being performed and reads address counter contents. - cg ram / dd ram data write 1 0 write data writes data into dd ram or cg ram 40s cg ram / dd ram data read 1 1 read data reads data from dd ram or cg ram 40s pin symbol level function pin symbol level function 1 vss l power supply 0v (gnd) 8 d1 h/l display data 2 vdd h power supply +5v 9 d2 h/l display data 3 vee - contrast (about 0.3v / 1.2v) 10 d3 h/l display data 4 rs h/l h=data / l=command 11 d4 (d0) h/l display data 5 r/w h/l h=read / l=write 12 d5 (d1) h/l display data 6 e h enable (fa lling edge) 13 d6 (d2) h/l display data 7 d0 h/l display data / anode led-b/l 14 d7 (d3) h/l display data, msb led bac klight standard display ea dips082-hn is reflective, non-backlighted v ersion. module with part number ea dips082-hnled comes with yellow/green led backlight. power consumption for backlight is 50ma typ. and 80ma max. backlight is permanent switched on. for individual use led backlight can be switched on and off after doing the following modification: remove series resistor r5 and change resistor from r6 to r7. now a positive voltage at pin 7 (d0) powers anode of backlight direct. to limit led-current an external series resistor is required (r ext. = 0,8v / i led ). please note that in this case display interface is 4-bit mode only ! contr ast setting
page 3 printing and typographical errors reserved. electronic assembly reserves the right to change specifications without prior notice. 2x8 - 5.01mm char acter set below shown character set is already built in. additionally 8 self defined characters can be attached. creating your own characters all character display modules offered in this catalogue, are able to create 8 own characters (ascii codes 0..7) in addition to the 192 rom fixed codes. 1.) the command "cg ram address set" defines the ascii code (bit 3,4,5) and the dot line (bit 0,1,2) of the new chara cter. example demonstrates creating ascii code $00. 2.) doing 8 times the wr ite command "data write" defines line by line the new character. 8th. byte stands for the cursor line. 3.) the new defined character can be used as a "nor- mal" ascii code (0..7); use with "dd ram address set" and "data write". adresse im cg ram setzen daten des zeichens adresse hex bit hex 7 6 5 4 3 2 1 0 01 000 000 $40 xxx 0 0 1 0 0 $04 001 $41 0 0 1 0 0 $04 010 $42 0 0 1 0 0 $04 011 $43 0 0 1 0 0 $04 100 $44 1 0 1 0 1 $15 101 $45 0 1 1 1 0 $0e 110 $46 0 0 1 0 0 $04 111 $47 0 0 0 0 0 $00 initialisation for a 2 line display / 8-bit mode command rs r/ db db db db db db db db remark function set 0 0 0 0 1 1 1 0 0 0 8-bit data length, 2/4 lines, 5x7 font display on/off 0 0 0 0 0 0 1 1 1 1 display on, cursor visible, cursor blink clear display 0 0 0 0 0 0 0 0 0 1 clear display, cursor home entry mode set 0 0 0 0 0 0 0 1 1 0 cursor auto-increment
2x8 - 5.01mm technische ?nderung vorbehalten. wir bernehmen keine haftung fr druckfehler und applikationsbeispiele. electronic assembly gmbh zeppelinstra?e 19 d-82205 gilching germany fon: +49 (0)8105-7780 90 fax: +49 (0)8105-7780 99 e-mail: info@lcd-module.de web: www.lcd-module.com dimensions all dimensions are in mm attention handling precautions! 1-line displa y ea 8081-a3n delivery state intern, led permanent on extern, led controllable, only possible in 4-bit mode
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: electronic assembly: ? ea dips082-hn? ea 8081-a3n? ea dips082-hnled
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