HD6413308 Hitachi Semiconductor, HD6413308 Datasheet - Page 91

• Manufacturer Part Number: HD6413308
• Description: Hitachi Single-Chip MicroComputer
• Manufacturer: Hitachi Semiconductor

NMI and other edge-sensed interrupt request signals that arrive during the execution of an ANDC,
ORC, XORC, or LDC instruction are not lost. The request is latched in the interrupt controller and
detected after another instruction has been executed.
LDC.B #H’00
MOV.W #H’FF80,SP
PUSH R1
Figure 4-8. Example of Deferred Interrupt
Program flow
Interrupt request: ignored by interrupt controller
CPU executes next instruction: interrupt controller now
detects interrupt request
To interrupt-handling sequence
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