C8051F388 Datasheet, PDF (283/285 Pages) –

C8051F388/9/A/B
28.2. INT2 Pin Not Connected
Problem
The INT2 pin is non-functional on revision A C8051F388/9/A/B devices.
Impacts
The INT2 pin cannot be used to generate an interrupt.
Workaround
The /INT0 and /INT1 external interrupts are available on P0 and can still be used to generate an external pin
interrupt.
Resolution
This behavior has been corrected on revision B of this device.
Rev. 1.1
283