IS15DSBFP4RGB Version (1) DISTINCTIVE CHARACTERISTICS Compact Size Combined with High Resolution 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 Low energy consumption Dust tight construction Viewing area: 13.0mm x 10.7mm (horizontal x vertical) Variety of LED backlighting with 64 colors and 8 steps brightness Dome gives crisp tactile feedback to positively indicate circuit transfer Epoxy sealed straight PC terminals Snap-in standoff for easy, secure mounting and alignment Actual Size DESCRIPTION Switch Description LCD Mode LED Color LCD/LED SPST Momentary ON Black & White Red/Green/Blue Gold Contacts FSTN Positive Straight PC Terminals NKK Switches email: smartswitch nkkswitches.com Phone (480) 991-0942 Fax (480) 998-1435 www.nkksmartswitch.com 2Com1......Com32 Common Driver 32bit Shift Register TM SMARTSWITCH SWITCH SPECIFICATIONS LCD SPECIFICATIONS Characteristics of Display Circuit SPST normally open FSTN positive background colors, Display Operation Mode Electrical Capacity black & white 100mA 12V DC (Resistive Load) Display Condition Transflective with built-in LED backlight Contact Resistance 200 milliohms maximum 20mV 10mA Viewing Angle Direction 6 oclock Insulation Resistance 100 megohms minimum 100V DC Viewing Area 13.0mm x 10.7mm (horizontal x vertical) Dielectric Strength 125V AC for 1 minute minimum Pixel Format 64 x 32 pixels (horizontal x vertical) Mechanical Endurance 1,000,000 operations minimum Pixel Size 0.18mm x 0.24mm (horizontal x vertical) Electrical Endurance 1,000,000 operations minimum * Operating Temp Range 15C ~ +50C (+5F ~ +122F) Operating Force 1.7 0.5 Newtons Storage Temp Range 20C ~ +60C (4F ~ +140F) Total Travel 1.8mm (.071) Backlight LED RGB: red/green/blue * In a low temperature environment (below 0C), speed and contrast Absolute Maximum Ratings decrease when image changes. The non-indicator dot may become Items Symbols Ratings dense in a high temperature environment (about +50C). Supply Voltage V 0.3V to +7.0V DD Recommended Operating Conditions Input Voltage V 0.3V to V +0.3V I DD Items Symbols Min Typical Max Output Voltage V 0.3V to V +0.3V O DD Supply Voltage V 4.9V 5.0V 5.1V DD Optical Characteristics (Temperature at 25C) Input Voltage V 0V V I DD Items Symbols Min Typical Max SPI Clock Frequency f 8MHz SCK Contrast Ratio Cr 3.0 Current Consumption I ** 10mA *** 50mA DD Up & Down q 90 Viewing Angle ** 10mA: Backlighting LED is off (Cr 1.1) Right & Left 90 f *** 50mA: Backlighting LEDs (Red, Green, Blue) are maximum brightness BLOCK DIAGRAM & PIN CONFIGURATIONS 64 x 32 Dot Matrix LCD Panel seg1.......seg64 Segment Driver Backlight LED 64bit Red Display Controller Shift Register Green Blue RAM 1 RAM 2 256Byte 256Byte SS 8 SCK 7 SPI LED Driver SDI 6 SDO 5 Compact High Resolution TM SMARTSWITCH with RGB LED and V 4 DD Black and White LCD Mode GND 3 2 SW SW 1 Pin No. Symbol Name Function 1 SW Terminal of Switch Normally open 2 SW Terminal of Switch Normally open GND Ground 3 V Power Power source for logic circuit and LCD 4 DD 5 SDO Data Out Data output line for SPI 6 SDI Data In Data input line for SPI SCK Serial Clock Clock line for SPI that synchronizes commands and data 7 8 SS Slave Select Chip select for SPI line is active low NKK Switches email: smartswitch nkkswitches.com Phone (480) 991-0942 Fax (480) 998-1435 www.nkksmartswitch.com 3