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Fast Models Reference Manual - ARM Information Center

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Emulation Baseboard Model: Platform and Components<br />

7.7 TSC2200 component<br />

The TSC2200 component is a programmer's view model of the EB baseboard touchscreen<br />

interface. This component is based on a TSC2200 PDA analog interface circuit, which is<br />

provided as standard on the EB baseboard. For a detailed description of the behavior of the<br />

component, refer to the hardware documentation. See the RealView Emulation Baseboard User<br />

Guide (Lead Free).<br />

Figure 7-6 shows a view of the component in System Canvas.<br />

This component is written in LISA+.<br />

Figure 7-6 TSC2200 in System Canvas<br />

7.7.1 Ports<br />

Table 7-13 provides a brief description of the TSC2200 component ports. Refer to the hardware<br />

documentation for more details.<br />

Name Port Protocol Type Description<br />

DAV Signal master Indicates if data available.<br />

Table 7-13 TSC2200 ports<br />

lcd_layout LCDLayoutInfo slave Sets the initial horizontal and vertical<br />

size of the touchscreen.<br />

MISO Value slave Serial data output to PL022<br />

Synchronous Serial Port (SSP) device.<br />

MOSI Value master Serial data input from PL022 SSP<br />

device.<br />

PENIRQ Signal master Sends IRQ signal to the host if the pen is<br />

down.<br />

touch_screen MouseStatus slave Provides pointer position and pen status.<br />

7.7.2 Additional protocols<br />

The TSC2200 component has one additional protocol.<br />

LCDLayoutInfo<br />

The LCDLayoutInfo protocol has the following behavior:<br />

setLayoutInfo determines the width and height of the touchscreen.<br />

<strong>ARM</strong> DUI 0423J Copyright © 2008-2011 <strong>ARM</strong>. All rights reserved. 7-20<br />

ID051811<br />

Non-Confidential

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