LM8400 Datasheet - National Semiconductor

Four Wire Resistive Touchscreen Controller

LM8400 Features

* KEY FEATURES n 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 int

LM8400 General Description

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 o.

LM8400 Datasheet (319.71 KB)

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Part number:

LM8400

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National Semiconductor

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319.71 KB

Description:

Four wire resistive touchscreen controller.
LM8300/LM8400/LM8500 Four Wire Resistive Touchscreen Controller with Brownout PRELIMINARY October 2002 LM8300/LM8400/LM8500 Four Wire Resistive Touc.

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LM8400 Four Wire Resistive Touchscreen Controller National Semiconductor

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LM8400 Features

LM8400 General Description

Datasheet Details

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