MC-78F0712-KIT Renesas Electronics America, MC-78F0712-KIT Datasheet - Page 275
MC-78F0712-KIT
Manufacturer Part Number
MC-78F0712-KIT
Description
KIT REF SYSTEM 78K0 UPD78F0712
Manufacturer
Renesas Electronics America
Specifications of MC-78F0712-KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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request INTyy is not acknowledged and multiple interrupt servicing does not take place. The INTyy interrupt request
is held pending, and is acknowledged following execution of one main processing instruction.
Example 3. Multiple interrupt servicing does not occur because interrupts are not enabled
Interrupts are not enabled during servicing of interrupt INTxx (EI instruction is not issued), therefore, interrupt
PR = 0: Higher priority level
IE = 0:
Interrupt request acknowledgment disabled
Figure 16-10. Examples of Multiple Interrupt Servicing (2/2)
(PR = 0)
INTxx
1 instruction execution
Main processing
EI
CHAPTER 16 INTERRUPT FUNCTIONS
User’s Manual U17890EJ2V0UD
IE = 1
IE = 0
(PR = 0)
INTyy
INTxx servicing INTyy servicing
IE = 0
IE = 1
RETI
RETI
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