Datasheet Details
| Part number | LM8500 |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 429.46 KB |
| Description | Four Wire Resistive Touchscreen Controller |
| Datasheet |
 LM8500 Datasheet
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General Description
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).
Key Features
- 1.
- 2 Supports 4 Wire Resistive Touch Panels.
- Low Power Standby Current Typically Less Than 2 µA at 5.5V.
- Maximum Speed of 500 Coordinate Pairs per Second.
- Automatic Wake Up and Return to Standby.
- 10 bit A/D.
- On-chip Touch Screen Current Drivers - No External Driver Required.
- UART Interface.
- Controller Configurations are Stored in the Internal Non-volatile Storage Element.
- Touch Pressure can be Measured.