does PORTE of KL17 not support interrupt？
The KL17 doesn't support interrupt or DMA on port B or Port E:
The answer of Mark is correct. PORTE of KL17 does not support interrupt.
The table 11-1 provides information regarding the Port Control and Interrupt configurations. You can find that table at section "11.2 Port control and interrupt summary" in KL17P64M48SF6RM.
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