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LM8300

具有節(jié)電功能的四線電阻觸摸屏控制器; ·Supports 4 Wire Resistive Touch Panels\n ·Low Power Standby Current Typically Less Than 2 μA at 5.5V\n ·Maximum Speed of 500 Coordinate Pairs per Second \n ·Automatic Wake Up and Return to Standby\n ·10 bit A/D\n ·On-chip Touch Screen Current Drivers - No External Driver Required\n ·UART Interface\n ·Controller Configurations are Stored in the Internal Non-volatile Storage Element\n ·Touch Pressure can be Measured\n All trademarks are the property of their respective owners.;

The LM8300/8500 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.\nThe 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 self-power down mode, the current drawn is typically less than 2 μA. The device resumes normal operation when a touch is detected on the touch screen or communication is detected on the UART. In addition to the self-power down mode, the controller can be disabled by pulling the SHUTDOWN pin low. The controller resumes normal operation when the SHUTDOWN pin is tristated or pulled high.\nThe controller has an internal non-volatile memory storage element to store configuration data such as calibration points or controller configurations.\n\n

LM8300

Four Wire Resistive Touchscreen Controller with Brownout

LM8300

Four Wire Resistive Touchscreen Controller with Brownout

LM8300

LM8300/LM8500 Four Wire Resistive Touchscreen Controller with Brownout

LM8300HLQ9

Four Wire Resistive Touchscreen Controller with Brownout

LM8300HMT9

Four Wire Resistive Touchscreen Controller with Brownout

LM8300HVA9

Four Wire Resistive Touchscreen Controller with Brownout

LM8300ILQ9

Four Wire Resistive Touchscreen Controller with Brownout

LM8300IMT9

Four Wire Resistive Touchscreen Controller with Brownout

LM8300IMT9B/NOPB

LM8300/LM8500 Four Wire Resistive Touchscreen Controller with Brownout