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PS2Mouse component

This section describes the PS2Mouse component.

PS2Mouse - about

This component implements the PS/2 register interface of a PS/2 style mouse.

The mouse movement and button press data must come from another component such as the Visualisation component.

This is a LISA+ component.

PS2Mouse - ports

This section describes the ports.

Table 4-161 PS2Mouse ports

Name Protocol Type Description
mouse MouseStatus Slave Receives keyboard input from, for example, the Visualisation component
clk_in ClockSignal Slave Drives the PS/2 clocking rate, typically 1MHz
ps2 PS2Data Master Connection to the PS/2 controller, for example the PL050_KMI

PS2Mouse - verification and testing

This component passes tests as part of the VE example system by using VE test suites and by booting operating systems.

PS2Mouse - performance

ARM® expects this component to have little effect on the performance of PV systems. However if it is connected to the Visualisation component, then the performance of the component depends on that of the visualization.