Function Keypad Interface Clause Samples
The Function Keypad Interface clause defines the requirements and specifications for the keypad component used to interact with a device or system. It typically outlines the layout, labeling, and operational logic of the keypad, such as the number of keys, their functions, and how user input is processed. This clause ensures that users can reliably and intuitively control the system, reducing the risk of input errors and enhancing overall usability.
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Function Keypad Interface. The Wildcat tablet shall contain a set of function keys on the front panel. These function keys may be programmed by the user to perform special purpose functions. The keypad shall also contains a five-way stick switch control and two associated buttons that may be used to emulate a standard three-button mouse control. The front panel key switches and mouse control shall be controlled by a dedicated front panel controller. The front panel controller shall interface with the MLB through connector containing, as a minimum, the interface signals identified in Table 2-8. The front panel controller shall communicate with the operating system software through one of the ICH-3 integrated USB 1.1 serial data ports. The function key interface shall be programmed to appear to the Windows Operating System as a Microsoft compatible USB keyboard device with integrated mouse control. ▇ ▇▇▇ +▇ ▇▇▇ ▇▇▇▇▇ ±▇▇ % 2 GND Power Ground 3 CLK 24 MHz System Clock 4 PWRON Power On Signal On = <200 milliohms to ground Off = >10 Meg Ohms Ground/Open Discrete 5 D+ USB 1.1 Interface 6 D- USB 1.1 Interface