MC68HC908QY2CDW Datasheet, PDF (23/184 Pages) Freescale Semiconductor, Inc – Microcontrollers

Pin Function Priority
1.6 Pin Function Priority
Table 1-3 is meant to resolve the priority if multiple functions are enabled on a single pin.
NOTE
Upon reset all pins come up as input ports regardless of the priority table.
Table 1-3. Function Priority in Shared Pins
Pin Name
PTA0
PTA1
PTA2
PTA3
PTA4
PTA5
Highest-to-Lowest Priority Sequence
AD0 → TCH0 → KBI0 → PTA0
AD1 →TCH1 → KBI1 → PTA1
IRQ → KBI2 → TCLK → PTA2
RST → KBI3 → PTA3
OSC2 → AD2 → KBI4 → PTA4
OSC1 → AD3 → KBI5 → PTA5
MC68HC908QY/QT Family Data Sheet, Rev. 6
Freescale Semiconductor
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