LM8500-REF-01 National Semiconductor, LM8500-REF-01 Datasheet
LM8500-REF-01
Specifications of LM8500-REF-01
Related parts for LM8500-REF-01
LM8500-REF-01 Summary of contents
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LM8300/8500 Evaluation Content 1 x LM8300/8500 evaluation board 1 x RS232 cable battery 1 x Touch panel 1 x Stylus 1 x Software Quick start manual Hardware Connection 1) Connect the enclosed touch panel ...
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National TS Driver The National TS Driver supports Win2K/XP only. This driver does not support Win95/98/ME. There are no plans to include support for Win95/8/ME. Installation Win2K The TS driver is located in the folder x:\NSC_TSC, where x is the ...
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Click on Continue Anyway to install the driver. The installation is complete when the command prompt window closes. Reboot the computer. Note – Make sure the evaluation board is powered and connected to the PC. Fig. 2 ...
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National TS Driver Software Open up Windows Explorer and navigate to c:\touchscreen and locate Himalaya.exe. Lauch the program by double clicking on Himalaya.exe. When running, an icon will appear in the Windows’™ tray area. To access the functions, right click ...
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Self-Power Down Mode – The self-power down mode is enabled by default. The option is used to conserve power. If disabled, the TSC will always be on and will consume more power. External Filter – The external filter is enabled ...
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Uninstalling the Driver On the Windows desktop, right click on My Computer and select Properties. Select the Hardware tab and click on the Device Manager button. In the Device Manager dialog box, expand the Mouse and other pointing devices tree. ...
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Universal Pointer Device Driver – Demoware TS driver The enclosed software is an evaluation touch screen driver for the PC designed to run on Win95/98/ME/2000/XP. This driver is not a crippleware, all functionalities are present. The only limitation ...
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Click Next to accept the default folder name. Click Next to accept the default installation folder. Click Next to install system tray icons. ...
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Click Next to accept the default number of devices Click Next to accept the default size of the TS panel and device name. Click Next to verify the correct TSC driver to use. ...
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Select the COM port the LM8300/8500 evaluation board is connected to and click Next. Click Next to begin installation of the driver. The status bar will show the progress of the installation. ...
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If the LM8300/8500 evaluation board is not powered and connected to PC during installation of the UPDD driver, the PC must be rebooted for the installation to take effect. Click Next to finish the installation. ...
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Universal Pointer Device Driver Options. The UPDD Device Properties panel can be accessed in the Control Panel in Windows™ or from the UPDD icon located in the windows tray. To access the Control Panel, select Start|Settings|Control Panel. Double click on ...
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Pointer Device Properties Calibration Tab The Hardware tab allows the modification of the existing serial port. Unless the touch screen controller is not responding, none of the settings should be changed. The IRQ and Address resources are determined from the ...
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The Diagnostics program To access the Diagnostics program to change various setting on the touch screen controller, click on Start|Programs|UPDD|Diagnostics Comms Mode – The default setting is stream mode. In this mode, the driver will interpret all touches on the ...
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External Filter – The external filter is enabled by default. When enabled, the touch panel data is first sent through the external filter before an A/D conversion is done. This option should be used in noisy environments. Echo – The ...
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Uninstalling the Universal Pointer Device Driver – Demoware TS driver To uninstall the Universal Pointer Device Driver, select Start|Settings|Control Panel. In the Control Panel window, double click on Add or Remove Programs. In the Add or Remove Programs window, select ...
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... Jumper settings The board was designed to work with a voltage of 7-16V DC (J3). This voltage will be dropped down to 5V for the LM8500 and 3V for the LM8300/8400 using the onboard regulator chip. For proper operation, a jumper block must be placed on J7 pin 1 and 2. Current measurement can be performed by removing the jumper block and inserting an ammeter between J7-1 and J7-2 ...
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Physical connection The evaluation kit comes with a 4-wire resistive touch screen panel. The panel connects to the 4- wire resistive touch screen connector label J20 on the evaluation board. Please note the wire connecting the panel to the board ...
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Touch Screen Connection The device was designed to drive a 4 wire resistive touchscreen directly without the need of external components. Care should be exercised when the touchscreen is used in a noisy environment. Noise can be picked up from ...
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Analog supply voltage The analog ground and voltage is used to power the analog block in the device as well as providing the reference voltage for A/D. For the A/D to operate properly, AVCC must be equal to VCC. If ...
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Note – R5 – the board are optional. These resistors are used for ESD protection. The device uses the DTR signal to determine when it is safe to transmit data to the TS driver. If the system on ...
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Troubleshooting The PC does not respond to any touch on the touch panel. The touchscreen driver is installed, but the PC does not response to any touch on the touch panel. The NS driver will not install on a Windows ...
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