Small, versatile graphics displays from Electronic Assembly

11th February 2014

Jacqueline Regnier

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The EA DOGXL240-7 is the latest addition to the Electronic Assembly EA DOG series. The new graphics display has 240x128 pixel resolution. It comes with a UC1611s controller, graphics RAM and alternatively with background lighting. The compact display (94 x 67 mm) is ideal for handheld applications, particularly because current consumption is only 900 µA (without lighting) and the display can be powered by batteries. Three different LED background lighting options and 4 different display technologies (STN and FSTN) are available, giving users up to 8 possible designs to choose from. All feature high brightness and contrast.

Other attractive features include:

- Super flat, 2.8 mm without backlighting, 6.5 mm with LED backlighting

- Broad power input range, 2.7 V – 3.3 V, no auxiliary voltage needed

- Serial SPI interface (3- and 4-wire) and I²C

- Fast and easy mounting, by pins soldered to PCB

- Operating temperature -20°C -to +70°C with built-in temperature compensation

The following backlighting options are available: white, green/red and amber. The backlighting color can be switched between red and green foron two-color displays. All are extremely bright for excellent readability and they have low power consumption.

The EA DOGXL240-7 modules will also operate with the EA TOUCH240-3 which is a 4-wire resistive touch panel that has a self-adhesive backing and can be mounted directly onto the display. Electronic Assembly recommends a display with backlighting to ensure good readability when the touch panel is used.

The EA DOGXL240-7 modules have beendesigned with compact handheld devices in mind but they are also used in instrumentation and diagnostic systems, machine manufacturing, construction machinery, auto electronics development, special purpose vehicles and medical equipment.

EA DOG series products are available in many different versions from stock in quantities of one or more. Availability is guaranteed for up to 10 years. The customized EA 9780-3USB evaluation kit can be supplied to support application development for the display. Electronic Assembly developed the kit to speed up commissioning and help users familiarize themselves with the EA DOG displays. Individual character sets and a font editor are available on a USB stick as an accessory. DOG displays can also be supplied in other sizes and dimensions as text (1x8 - 4x20 characters) and graphics versions (1.7 – 3.9 inch).