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Partname: | LM8500 |
Description: | Four Wire Resistive Touchscreen Controller with Brownout |
Manufacturer: | National Semiconductor |
Datasheet: | PDF (319K). Click here to download *) |
The LM8300/8400/8500 is a 4-wire resistive touch screen controller. The controller samples and drives the touch screen without the need of any external hardware. The built in 10-bit A/D provides a maximum of 500 coordinate pairs per second (cpps). The data sampled from the touch screen is sent out on the UART at a speed of 38400 bps. The controller has a power-saving mode which causes the controller to self-power down when no touch is detected on the touch screen for a specified amount of time. In the |
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![Click here to download LM8500 Datasheet](../../../pndecoder/datasheets/NSC/img/005199.gif) Click here to download LM8500 Datasheet*) |
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