NEC 78K/0S Series User Manual page 113

EI
[Instruction format]
[Operation]
[Operand]
None
[Flag]
Z AC
[Description]
•
The maskable interrupt acknowledge-enable status is set (by setting the interrupt enable flag (IE) (1)).
•
Interrupts are acknowledged immediately after this instruction is executed.
•
If this instruction is executed, vectored interrupt acknowledgment with another source can be disabled. For
details, refer to "Interrupt Functions" in the User's Manual of each product.
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
EI
IE ← 1
CY
User's Manual U11047EJ3V0UM00
Enable Interrupt
Interrupt Enabled
113