MC97F6108A User’s manual 6. Interrupt controller
6.6 Effective timing after controlling interrupt bit
Case A in Figure 16 shows the effective time after controlling Interrupt Enable Registers (IE, IE1, IE2,
and IE3).
Figure 16. Effective Timing of Interrupt Enable Register
Case B in Figure 17 shows the effective time after controlling Interrupt Flag Registers.
Figure 17. Effective Timing of Interrupt Flag Register
Interrupt Enable Register
Next Instruction
Next Instruction
After executing IE set/clear,
enable register is effective.
Next Instruction
Next Instruction
After executing next instruction,
interrupt flag result is effective.