lcd module 1x8 - 11.48mm incl. controller hd 44780 issue 04.2011 zeppelinstr. 19 d-82205 gilching tel. 08105-77 80 90 fax 08105-77 80 99 www.lcd-module.de info@lcd-module.de 12.2003 features * high contrast lcd supertwist display gray or yellow/green * compa tible to hd 44780 standard * interface for 4- and 8-bit data bus * power supply + 2.7~5.5v (backlight 4.1v) * opera ting t emperature range 0~+50c or -20~+70c * bulit-in temp. comp. with ea dip081-chnled * led ba cklight y/g typ. 150ma@4.1v, max. 200ma * some more modules with same mechanic and same pinout: - dotmatrix 2x16, 4x20 - graphic 122x32 * no screws required: solder on in pcb only * detachable via 9-pin socket ea b200-9 (2 pcs. required) ordering information lcd module 1x8 - 11.48mm with ba cklight y/g ea dip081-cnled same but with t op. -20~+70c, incl. temp.comp. ea dip081-chnled 9-pin socket, height 4.3mm (1 pc.) ea b200-9 suitable bezel (window 60.0x14.8 mm) ea 017-2uke adaptor pcb with stand ard pinout pitch 2.54mm ea 9907-dip no more mounting required dimension 68 x 27 mm 11mm flat even with led b/l
ea dip081-cnled page 2 electronic assembly reserves the right to change specifications without prior notice. printing and typographical errors reserved. pinout pin symbol level function pin symbol level function 1 vss l power supply 0v (gnd) 10 d3 h/l display data 2 vdd h power supply +5v 11 d4 (d0) h/l display data 3 vee - contrast adjust. (about 0v) 12 d5 (d1) h/l display data 4 rs h/l h=command, l=data 13 d6 (d2) h/l display data 5 r/w h/l h=read, l=write 14 d7 (d3) h/l display data, msb 6 e h enable (falling edge) 15 - - nc (see ea dip122-5n) 7 d0 h/l display data, lsb 16 - - nc (see ea dip122-5n) 8 d1 h/l display data 17 a - led b/l+ resistor required 9 d2 h/l display data 18 c - led b/l - 5v operation 3.3v operation 10k 3,6k 22k vee +3,3v -3,3v contrast adjustment both displays ea dip081-cnled and -chnled do have an driving voltage for contrast of typ. 4,9v. for 3.3v operation additional -3.3v is required. version ea dip081-chnled for ext. temperature range -20..+70c does have a built- in temperature compensation; so there's no need for contrast adjustment while operation. backlight backlight do need an external resistor limiting the current limitor. calculation is: r=u/i, so at 5v supply: r gelb/grn =(5,0v-4,1v)/0,15a= 6 ohm caution: do never drive backlight direct with 5v; damage may come suddenly. character set character set shown below is already built in. in addition to that you are able to define up to 8 characters by yoursself.
ea dip081-cnled page 3 electronic assembly reserves the right to change specifications without prior notice. printing and typographical errors reserved. table of command 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 00 0 0 0 0 00 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 00 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 (l) 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 1bf 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 initialisisation for a 1 line display / 8-bit mode command rs r/w db7 db6 db5 db4 db3 db2 db1 db0 remark function set 0 0 0 0 1 1 0 0 0 0 8 bit data length, 1 line display, 5x7 font display on/off 0 0 0 0 0 0 1 1 1 1 display on, cursor on, cursor blink clear display 0 0 0 0 0 0 0 0 0 1 clear display, cursor 1st. row, 1st. column entry mode set 0 0 0 0 0 0 0 1 1 0 cursor increments automatically crea ting y our own characters all these character display modules got the feature 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 character. example demonstrates creating ascii code $00. 2.) doing 8 times the write 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 "normal" ascii code (0..7); use with "dd ram address set" and "data write". set cg ram address data 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
ea dip081-cnled page 4 zeppelinstr. 19 d-82205 gilching tel. 08105-77 80 90 fax 08105-77 80 99 www.lcd-module.de info@lcd-module.de electronic assembly reserves the right to change specifications without prior notice. printing and typographical errors reserved. dimensions adaptor pcb ea 9907-dip attention handling precautions! all dimensions are in mm
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