Joystick Interface Data Sheet Data Sheet 2.2. Internal Signals

Joystick Interface Data Sheet Data Sheet

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2.2. Internal Signals

This table describes the internal signals.

Table 2.2. Internal signal descriptions

Name	Type	Source/Destination	Description
ATOD[3:0]	Input	Pads	Analogue comparator inputs.
ATODIref	Input	Pad	Comparator current reference.
ATODREF	Input	Pad	Common comparator voltage reference.
ATODVdd	Supply	Pad	Comparator analogue Vdd.
ATODVss	Supply	Pad	Comparator analogue ground.
CompOn	Output	Comparators	Common comparator current reference enable.
Joyint	Output	Interrupt controller	Joystick interrupt request.
Ndchg[3:0]	Output	Pads	ATOD[3:0] pad discharge control.
RefClk	Input	REFCLK Pad	Reference clock input signal, free running clock.
TestOut[3:0]	Output	Pads	Buffered comparator outputs.

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