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Highly integrated microcontroller with built-in programmable logic

25.02.2005

ST MICROELECTRONIC has introduced a highly integrated microcontroller with built-in programmable logic type STW21000 for wireless communication applications. The microprocessor has a dynamic memory of 16 Mbit, a programmable logic block (FPGA) and a wide range of analog and digital peripherals.

The presence of a programmable logic block provides the device with high flexibility, the ability to use it with a wide variety of interfaces and protocols. Applications include HDLC controllers, 10/100 Ethernet, and more.

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The Japanese broadcaster NHK conducts research on cutting-edge technologies, including organic light-emitting diode (OLED) display technology. NHK, working with their colleagues at Nippon Shokubai, has found an ingenious way to extend the life of OLED displays, NHK said.

According to the developers, the fragility of OLED is manifested in a drop in the brightness of the glow due to the destruction of the phosphor, especially if it is not protected from external influences. In some cases, the brightness drops by half in just 100 days of operation.

In the development of NHK and Nippon Shokubai, which received the designation iOLED (i - from inverted, "inverted"), the display structure is radically changed: the anode and cathode layers are swapped compared to how they are usually located, and an additional protective layer is added on top of the cathode. According to the developers, this structure allows you to save brightness even when the display does not have a sealed design.

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