2.2. Internal Signals

Table 2.2 lists the internal signal descriptions.

Table 2.2. Internal signal descriptions

NameTypeSource/DestinationDescription
KbClkInInKCLK PadKeyboard Clock.
KbDatInInKDATA PadKeyboard Data.
KbdRXintOutInterrupt Controller

Keyboard Receive Interrupt.

Indicates that data is available to be read by the receive buffer.

KbdTXintOutInterrupt Controller

Keyboard Transmit Interrupt.

Indicates that the keyboard interface buffer is empty.

nKbClkEnOutKCLK PadKeyboard Clock Pad Enable.
nKbDataEnOutKDATA PadKeyboard Data Pad Enable.
RefClkInREFCLK Pad

Reference Clock.

Free running clock.

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