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MC9RS08KA2 Datasheet, PDF (56/132 Pages) Freescale Semiconductor, Inc – Microcontrollers
Chapter 7 Keyboard Interrupt (RS08KBIV1)
5. Write to KBACK in KBISC to clear any false interrupts.
6. Set KBIE in KBISC to enable interrupts.
MC9RS08KA2 Series Data Sheet, Rev. 2
56
Freescale Semiconductor