www.nkksmartswitch.com ? toll free 1.877.2buynkk ? tel 480.991.0942 ? fax 480.998.1435 ? email: smartswitch@nkkswitches.com IS15DBFP4RGB version (1) distinctive characteristics ? high resolution of 64 x 32 pixels ? 64 colors of backlighting can be controlled dynamically ? pushbutton switch with lcd, rgb led backlighting ? general brightness of backlight is dynamically controlled in eight steps from dark to bright ? operated by commands and data supplied via serial communications (spi) ? can display as many as four lines of text with ten characters each ? incorporates bitmap display function ? programmable display graphics for alphanumeric characters and animated sequences ? dual image vram for quick change of displayed images ? distinct, long travel of 4.5mm (same as kp01 series) ? low energy consumption ? dust tight construction viewing area: 15.0mm x 10.8mm (horizontal x vertical) high reliability and long life of three million actuations minimum epoxy sealed straight pc terminals snap-in standoff for easy, secure mounting and alignment actual size
www.nkksmartswitch.com ? toll free 1.877.2buynkk ? tel 480.991.0942 ? fax 480.998.1435 ? email: smartswitch@nkkswitches.com smartswitch tm switch specifications lcd specifications absolute maximum ratings items symbols ratings supply voltage C0.3v to +7.0v input voltage C0.3v to v +0.3v output voltage o C0.3v to v +0.3v characteristics of display display operation mode fstn positive; background colors, black & white display condition transfective with built-in led backlight viewing angle direction 6 oclock viewing area 15.0mm x 10.8mm (horizontal x vertical) pixel format 64 x 32 pixels (horizontal x vertical) pixel size 0.20mm x 0.27mm (horizontal x vertical) * operating temperature range C15c ~ +50c (+5f ~ +122f) storage temperature range C20c ~ +60c (C4f ~ +140f) backlight led rgb: red/green/blue * in a low temperature environment (below 0c), speed and contrast decrease when image changes. the non-indicator dot may become dense in a high temperature environment (about +50c). circuit spst normally open electrical capacity (resistive load) 100ma @ 12v dc contact resistance 200 milliohms maximum @ 20mv 10ma insulation resistance 100 megohms minimum @ 100v dc dielectric strength 125v ac for 1 minute minimum mechanical endurance 3,000,000 operations minimum electrical endurance 3,000,000 operations minimum operating force 2.0 0.5 newtons total travel 4.5mm (.177) recommended operating conditions items symbols minimum typical maximum supply voltage 4.9v 5.0v 5.1v input voltage 0v spi clock frequency f sck 8mhz current consumption ** 10ma *** 50ma ** 10ma: backlighting led is off *** 50ma: backlighting leds (red, green, blue) are maximum brightness optical characteristics (temperature at 25c) items symbols min typical max contrast ratio cr 3.0 viewing angle (cr 1.1) up & down q 90 right & left f 90 switch description switch description lcd mode led color lcd/led momentary on gold contacts straight pc terminals black & white fstn positive red/green/blue
www.nkksmartswitch.com ? toll free 1.877.2buynkk ? tel 480.991.0942 ? fax 480.998.1435 ? email: smartswitch@nkkswitches.com smartswitch tm block diagram & pin configurations pin no. symbol name function terminal of switch normally open terminal of switch normally open gnd ground v power power source for logic circuit and lcd sdo data out data output line for spi data in data input line for spi sck serial clock clock line for spi that synchronizes commands and data slave select chip select for spi; line is active low nc none no connection 5 4 3 2 1 9 8 7 typical switch dimensions (15.0) .591 (14.38) .566 see pixel detail (20.59) .811 (13.5) .531 (9.42) .371 (10.8) .425 (16.0) .630 (23.13) .911 (18.0) .709 (7.62) .300 (16.0) .630 (6.0) .236 (1.0) ty p .039 (0.3) ty p .012 (8.0) .315 (7 . 05) .278 (2.0) .079 8 9 4 5 6 7 3 2 1 standoff 1 standoff 2 standoff 2 standoff 1 terminal numbers are not on the switch. dd v 4 shift register 64bit seg1.......seg64 64 x 32 dot matrix common driver shift register 32bit com1......com32 lcd panel red green blue display controller backlight led sw 1 3 gnd sck 8 2 sw spi 7 ss 6 sdi 5 sdo 9 nc segment driver ram #1 256byte ram #2 256byte led driver high resolution smartswitch tm with rgb led and black and white lcd mode (0.2) .008 a (1.25) .049 (2.0) dia .079 standoff detail dimension a standoff 1 = (2.7) .106 standoff 2 = (2.3) .091 8 9 4 3 2 1 (18.0) .709 (1.0) ty p .039 (6.0) .236 (2.0) .079 (7. 05 ) .278 (8. 0) .315 4x (1.3) dia .051 (7. 62) .300 (16.0) .630 2x (0.8) (1.0) dia .031 .039 ~ 7x (0.8) (1.0) dia .031 .039 ~ (3.9) .154 (0.6) ty p .024 (0.4) ty p .016 (23.0) .906 (3.4) .134 see standof f detail (0.20) .008 (0.02) ty p .0008 (0.27) .010 footprint pixel detail
www.nkksmartswitch.com ? toll free 1.877.2buynkk ? tel 480.991.0942 ? fax 480.998.1435 ? email: smartswitch@nkkswitches.com smartswitch tm spi timing chart (ss using) spi timing chart (ss low level fixed) sdi and sck shall be kept high when idle. ts ss tcyc ck thw ck th ss ts di th di td do d7 d6 d5 d4 d3 d2 d1 d0 d7 d6 d5 d4 d3 d2 d1 d0 ss sck sdi sdo tcyc ck thw ck ts di th di d7 d6 d5 d4 d3 d2 d1 d0 td do d7 d6 d5 d4 d3 d2 d1 d0 ss sck sdi sdo low circuit example timing specifications spi characteristics (see timing diagram) (temperature at C15c ~ +50c and v dd = 5.0v 2%) items symbols minimum maximum spi_ss set up time ts ss 10ns spi_ss hold time th ss 10ns spi_clk cycle tcyc ck 8mhz spi_clk width thw ck 10ns spi_di set up time ts di 10ns spi_di hold time th di 10ns spi_do delay time td do 10ns sck sdi ss sck sdi ss is_2 is_1 sck sdi ss is_3 sck sdi ss is_6 sck sdi ss is_5 sck sdi ss is_4 sck sdi ss is_7 sck sdi ss is_8 sck sdi ss is_9 d at a_1 d at a_2 d at a_3 clk_1 clk_2 clk_3 bitmap segment common 1 2 3 4 5 6 7 8 9 ? ? ? 16 ? ? ? ? ? 49 ? ? ? 56 57 58 59 60 61 62 63 64 byte8 byte7 ? ? ? byte2 byte1 com1 d0 d1 d2 d3 d4 d5 d6 d7 d0 ? ? ? d7 ? ? ? d0 ? ? ? d7 d0 d1 d2 d3 d4 d5 d6 d7 byte16 byte9 com2 d0 d1 d2 d3 d4 d5 d6 d7 d0 d1 d2 d3 d4 d5 d6 d7 ? ? ? ? ? ? ? ? ? byte256 ? ? ? ? ? ? byte249 com32 d0 d1 d2 d3 d4 d5 d6 d7 d0 d1 d2 d3 d4 d5 d6 d7 transferring display data/displaying lcd command and data sequence command data (256 bytes) 0 x 55 byte1 byte2 ? ? ? byte255 byte256 0 1 0 1 0 1 0 1 d7 d6 d5 d4 d3 d2 d1 d0 d7 d6 ? ? ? d1 d0 d7 d6 d5 d4 d3 d2 d1 d0 notes: display ram has two screen areas. the frst area is for the display on current lcd; the second area is for the data to be displayed next. the screens are changed when the second area is fully stored.
www.nkksmartswitch.com ? toll free 1.877.2buynkk ? tel 480.991.0942 ? fax 480.998.1435 ? email: smartswitch@nkkswitches.com smartswitch tm commands & data transferring display data/displaying on lcd command data remarks hex binary 0 x 55 01010101 256 bytes (64 x 32 = 2,048 bits) see below for details of bitmap data led (backlight) color set command data remarks hex binary r r g g b b 1 1 2 bits x 3 for each of rgb: 0 x 40 01000000 00 = off 01 = 1/4 10 = 1/2 11 = full led (backlight) brightness set command data remarks hex binary for leading 3bits: 0 x 41 01000001 * * * 1 1 1 1 1 3 bits 000 = 1/20 (dark) 001 = 1/10 010 = 1/7 011 = 1/5 100 = 1/3 101 = 1/2 110 = 2/3 111 = full (bright) reset (returning to initial status at power activation) command data remarks hex binary 0 x 5e 01011110 00000011 returning to initial status at power activation ? transferring display data/displaying on lcd: command (1 byte) + data (256 bytes) ? others: command (1 byte) + data (1 byte) ? commands can be accepted only when all bits coincide; otherwise, they are not acknowledged ? additional commands will not be received until the communicatio n of commands (1 byte) and data (256 or 1 byte) is completed ? there is no time limit from the beginning to end of data receipt ? commands may be executed consecutively (no need to wait between commands) ? irregular commands or data are not recognized ? initial status at power activation: lcd display off, led off (brightness 1/20, color off)
www.nkksmartswitch.com ? toll free 1.877.2buynkk ? tel 480.991.0942 ? fax 480.998.1435 ? email: smartswitch@nkkswitches.com smartswitch tm handling 1. the is series devices are electrostatic sensitive. 2. limit operating force to keytop to 100.0n maximum, as excessive pressure may damage the lcd device. 3. the is series devices are not process sealed. 4. if the lcd is accidentally broken, avoid contact with the liquid and wash off any liquid spills to the skin or clothing. 5. clean cap surface with dry cloth. if further cleaning is needed, wipe with dampened cloth using neutral cleanser and dry with clean cloth. do not use organic solvent. 6. recommended soldering time and temperature limits: 5 seconds maximum @ 270c maximum 7. do not exceed 60c at the lcd level. storage 1. store in original container and away from direct sunlight. 2. keep away from static electricity. 3. avoid extreme temperatures, high humidity, gaseous substances, and all forms of chemical contamination. precautions for handling & storage of lcd devices a ttention electrost at ic sensitive devices
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