dogm graphic series 128x64 dots 10.2009 zeppelinstra?e 19 d-82205 gilching phone +49-(0)8105-778090 fax +49-(0)8105-778099 www.lcd-module.de info@lcd-module.de technical data * high-contrast lcd supertwist display (stn and fstn) with 15m dot gap * optional led backlights in various colors * 128x64 pixels (corresponds to 8x21 characters or 4x10 large characters) * st 7565r controller with spi (4-wire) interface * power supply: single supply 3.0v to 3.3v (typically 270a) * no additional voltages required * operating temperature range -20c to +70c (storage -30c to +80c) * led backlighting 5ma to 40ma * no mounting required: simply solder onto pcb ordering code graphics display, 128x64, 55x46mm ea dogm128x-6 x: w = white background (fstn pos. transflective) e = yellow/green background (stn pos. transmissive) b = blue background (stn neg. transmissive) s = black background (fstn neg. transmissive) l = yellow/green background (stn pos. reflective, cannot be backlit) led backlight, white ea led55x46-w led backlight, yellow/green ea led55x46-g led backlight, blue ea led55x46-b led backlight, red ea led55x46-r led backlight, amber ea led55x46-a led backlight, green ea led55x46-e led backlight, full color rgb ea led55x46-rgb accessories usb test board for pc (windows) ea 9780-1usb touch panel, 4-wire, analog, stick-on ea touch128-1 zif connector for touch panel, bottom contact ea wf100-04s socket connector 4.8 mm height (2 pcs. required) ea fl-20p available in low quantities ! flat: 5.6mm with led b./l. mounted ea dogm128w-6 + ea led55x46-w ea dogm128b-6 + ea led55x46-w ea dogm128w-6 + ea led55x46-a
ea dogm128-6 page 2 electronic assembly reserves the right to change specifications without prior notice. printing and typographical errors reserved. ea dogm128 the ea dogm128, a 128x64-pixel graphics display, is a new addition to electronic assembl y?s ea dogm series. it, too, has pins that allow it to be mounted quickly and easily. 7 different optional led backlights are available. these can be combined with 5 different display technologies, making it possible to have up to around 20 different designs. designed for compact, handheld devices, this modern lcd series offers a number of benefits with and without backlighting: * extremely compact (55x46 mm) with a large viewing area of 51x31 mm * super-flat: 2.0 mm without backlight module, and only 5.8 mm with a b./l. module mounted * serial spi interface (4-wire) * single supply +3.0 v or +3.3 v * typical power consumption of only 150a in full operation (white led backlight from 5ma) * easily mounted by soldering * wide range of design variants orderable as single units * backlighting color changes possible contrast adjustment the contrast can be set by means of a command for all the displays in the ea dogm series. the contrast setting of the display must be set once by the software, and is then kept constant throughout the entire operating temperature range (- 20..+70c), thanks to the integrated temperature compensation. led backlight 7 different variants are available for individual backlighting: white, yellow/green, green, blue, red, amber and a full-color version. there are 3 separate led paths available for each monochrome backlight that can be switched in parallel or in series to suit the system voltage. this means that most backlights can be run at either 3.3 v or 5 v. to operate the backlight, we recommend a current source (e.g. cat4238td) or an external series resistor to limit the current. this can be calculated from r=u/i; you can find the values in the table on the right. to prolong the life of the backlights, we recommend that you use a current source. the operating life of the yellow/green, red and amber backlights is 100,000 hours. the life of the white and blue backlights is considerably shorter. we recommend that you dim these or switch them off whenever possible. important: never connect the backlight leds directly to a 5 v/3.3 v supply as this will immediately destroy the leds. always use a current source. please note that derating applies at temperatures exceeding +25c. assembling first, clip the display and backlight modules together by gently pushing the display pins through the corresponding holes on the backlight module. then insert the entire module into the socket, or into the soldering holes on the pcb. the backlight pins (the 2 rows with 3 pins at the bottom) must be soldered on the top side as well to ensure good contact between the modules. important: the display has a protective film on the top and/or the bottom, and there is also one on the backlight. these must be removed. make sure that neither display nor backlight will never come into contact with any kind of liquid like fluxer, cleaner, water. led backlight forward voltage (v) current max. (ma) limiting resistor (ohm, each path) min typ max @3,3 v @5 v yellow/green ea led55x46-g 2,1 40 40 97 white ea led55x46-w 3,3 25 cat4238 82 amber ea led55x46-a 1,9 40 47 103 green ea led55x46-e 3 40 8,5 57 blue ea led55x46-b 3,3 30 cat4238 68 red ea led55x46-r 1,9 40 47 103 full color ea led55x46-rgb red green blue 40 each colour cat4238 25 typ. 4v typ. 4v typ. 4v
ea dogm128-6 page 3 electronic assembly reserves the right to change specifications without prior notice. printing and typographical errors reserved. 5 di fferent technologies see below for an overview of available technologies, combinations with available backlights and their usability: 6 and more different backlights 6 and more different backlight colors are available to match equipments design as much as possible. the most effective and brightest one is the white one ea led55x31-w. if you see black and white pictures on this page but you want to see the colors of the displays, you can download a full-colored version of this document at http://www .lcd-module.de/eng/pdf/grafik/dogm128e.pdf ea led55x46-rgb full color ea led55x46-w white ea led55x46-g yellow/green ea led55x46-b blue ea led55x46-a amber ea led55x46-r red ea led55x46-e green display type technology optional backlight readability display color non backlighted display color with backlighted recommended backlight color fstn pos. transflective it's fine with and without backlight readable even without backlight black on white black on backlight color white, blue, green, rgb stn pos. yellow/green transmissive backlight unit required readable even without backlight dark green on yellow/green black on yellow/green or amber yellow/green, amber stn neg. blue transmissive usage only with backlight --- --- backlight color on blue background white, yellow/green fstn neg. transmissive usage only with backlight --- --- backlight color on black background white, green, rgb stn pos. yellow/green reflective no backlight possible finest readable without backlight dark green on yellow/green --- ---
ea dogm128-6 page 4 electronic assembly reserves the right to change specifications without prior notice. printing and typographical errors reserved. application examples if an external source of +10.5 ~ +13.5v (does not have to be stabilized) is available, the charge pump is not needed and less external components are required. +3.0v or +3.3v (single supply) operation requires 9 external capacitors usb-test board ea 9780-1usb for easy startup, a usb test board is available that can be connected to a pc. a usb cable and windows software is supplied with the product. this allows text and images (bmp) to displayed directly on the connected display. you will find more information on the test board in the ea 9780-1usb data sheet. simulation with windows a simulator window also displays the contents of the display. the software can simulate all the displays and colors even without the hardware. you can download the software free from our website: http://www .lcd-module.de/deu/disk/startdog.zip
ea dogm128-6 page 5 electronic assembly reserves the right to change specifications without prior notice. printing and typographical errors reserved. data transfer data transfer is unidirectional. that means that data can only be written; it cannot be read again. in contrast to other displays, a busy query is not necessary with this display. the clock-pulse rate of the scl line can be up to 20 mhz, depending on the supply voltage. you will find more detailed information on timing on pages 64 and 65 of the data sheet of the st7565r controller, which you will find on our website at http://www .lcd-module.de/eng/pdf/zubehoer/st7565r .pdf table of programming commands
ea dogm128-6 page 6 electronic assembly reserves the right to change specifications without prior notice. printing and typographical errors reserved. initialisation example internal contrast voltage generator (single supply +3.0v / +3.3v) initialisation example external contrast voltage (dual power supply) initialisation example for single s upply +3.3v (bottom view) command a0 d7 d6 d5 d4 d3 d2 d1 d0 hex remark (2) display start line set 0 0 1 0 0 0 0 0 0 $40 display start line 0 (8) adc set 0 1 0 1 0 0 0 0 1 $a1 adc reverse *) (15) common output mode select 0 1 1 0 0 0 0 0 0 $c0 normal com0~com63 (9) display normal/reverse 0 1 0 1 0 0 1 1 0 $a6 display normal (11) lcd bias set 0 1 0 1 0 0 0 1 0 $a2 set bias 1/9 (duty 1/65) (16) power control set 0 0 0 1 0 1 1 1 1 $2f booster, regulator and follower on (20) booster ratio set 0 1 1 1 1 1 0 0 0 $f8 set internal booster to 4x 0 0 0 0 0 0 0 0 $00 (17) v0 voltage regulator set 0 0 0 1 0 0 1 1 1 $27 contrast set (18) electronic volume mode set 0 1 0 0 0 0 0 0 1 $81 0 0 0 1 0 1 1 0 $16 (19) static indicator set 0 1 0 1 0 1 1 0 0 $ac no indicator 0 0 0 0 0 0 0 0 $00 (1) display on/off 0 1 0 1 0 1 1 1 1 $af display on *) make sure that for 6:00 viewing direction adc has to be set to ?reverse? (mirrored layout) ! orientation for 6:00 (bottom view) initialisation example for dual power supply (bottom view) c ommand a0 d7 d6 d5 d4 d3 d2 d1 d0 hex remark (2) display start line set 0 0 1 0 0 0 0 0 0 $40 display start line 0 (8) adc set 0 1 0 1 0 0 0 0 1 $a1 adc reverse *) (15) common output mode select 0 1 1 0 0 0 0 0 0 $c0 normal com0~com63 (9) display normal/reverse 0 1 0 1 0 0 1 1 0 $a6 display normal (11) lcd bias set 0 1 0 1 0 0 0 1 0 $a2 set bias 1/9 (duty 1/65) (16) power control set 0 0 0 1 0 1 0 1 1 $2b booster off, regulator, follower on (17) v0 voltage regulator set 0 0 0 1 0 0 1 1 1 $27 contrast set (18) electronic volume mode set 0 1 0 0 0 0 0 0 1 $81 0 0 0 1 0 1 1 0 $16 (19) static indicator set 0 1 0 1 0 1 1 0 0 $ac no indicator 0 0 0 0 0 0 0 0 $00 (1) display on/off 0 1 0 1 0 1 1 1 1 $af display on *) make sure that for 6:00 viewing direction adc has to be set to ?reverse? (mirrored layout) !
ea dogm128-6 page 7 electronic assembly reserves the right to change specifications without prior notice. printing and typographical errors reserved. 12:00 viewing angle, top view option if the display is read mostly from above (on the front of a laboratory power supply unit, for example), the preferred angle of viewing can be set to 12 o?clock. this rotaties the display by 180. a slightly dif ferent initialization setup is required for this. also keep in mind that the leftmost column (normally numbered as 0) will now change to 4. assembling for 12:00 (top view) initialisation example top view command a0 d7 d6 d5 d4 d3 d2 d1 d0 he x remark (8) adc set 0 1 0 1 0 0 0 0 0 $a0 adc normal (15) common output mode select 0 1 1 0 0 1 0 0 0 $c8 reverse com63~com0 touch panel ea touch128-1 (optional) an analog touch panel is available as an accessory. it has a self-adhesive material on its rear surface and is simply stuck onto the display. the connection is made by means of a 4-pin flexible cable for a zif connector (e.g. ea wf100-04s) with a grid of 1.0 mm. bending radius is defined with min. 5mm. for optimum readability we recommend that you use a backlight with the display. interfacing to a processor can be either done by an external touch panel controller or with a controller that is featured with analogue input. the touch panel is similar to a potentiometer: connecting a voltage of e.g. 3.3v to the pins top-bottom makes it possible to read out a voltage on pin left or right which is linear to the y-coordinate of the pressed point. the x-coordinate will result when the voltage will be supplied to left-right and measurement is done at top or bottom . the pinout of the connecting cable is shown in the drawing. specification specification min max unit top-bottom 120 300 ? left-right 580 900 ? voltage 3 12 v current 5 25 ma linearity 1,5 % force 45 65 g contact bounce 5 10 ms op. temperatur -20 +60 c stor. temperatur -20 +70 c transmission 75 85 % life time 10000 cycles zif connector ea wf100-04s as an accessory for the touch panel we do provide a zif connector (4 pins) with pitch 1.0mm (smd type). this connector ?bottom side contact? type. alle dimensions are in mm
ea dogm128-6 page 8 electronic assembly reserves the right to change specifications without prior notice. printing and typographical errors reserved. zeppelinstra?e 19 d-82205 gilching phone +49-(0)8105-778090 fax +49-(0)8105-778099 www.lcd-module.de info@lcd-module.de dimensions ea dogm128 note: the 6(4) led pins a1 to a3 and c1 to c3 also have to be soldered from above to ensure good contact. note: - lc displays are generally not suited for wave or reflow soldering. temperatures of over 80c can cause lasting damage. - the surfaces of the displays and backlights are protected from scratching by self-adhesive protective foils. please remove these before mounting (2 pcs. on display and 1 pc. on backlight). - make sure that either display nor backlight will never come into contact with any kind of liquid like fluxer, cleaner, water. dimensions ea led55x46 all dimensions are in mm all dimensions are in mm pin symbol level function pin symbol level function 1 nc (a1+: led backlight) 21 v0 - lc drive 2 nc (a2+: led backlight) 22 v1 - lc drive 3 nc (a3+: led backlight) 23 v2 - lc drive 4 24 v3 - lc drive 5 25 v4 - lc drive 6 26 vss l pow er supply 0v (gnd) 7 27 ca p2n - voltage converter 8 28 ca p2p - voltage converter 9 29 ca p1p - voltage converter 10 30 ca p1n - voltage converter 11 31 ca p3p - voltage converter 12 32 vout - voltage output about +12v 13 33 vss l pow er supply 0v (gnd) 14 34 v dd2 h pow er supply booster 15 35 vdd h pow er supply +"2.4..3,3v 16 36 si h / l serial data in 17 37 scl h / l serial clock 18 nc (c1-: led backlight) 38 a0 h / l l= command, h= data 19 nc (c2-: led backlight) 39 rst l reset (active low ) 20 nc (c3-: led backlight) 40 cs1b l chip select (active low ) attention handling precautions!
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