NEC PD75402A - Manual (Page 138)

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CHAPTER 6. INTERRUPT FUNCTIONS
Fig. 6-1 Interrupt Control Circuit Block Diagram
Internal Bus
3
IM0
Sampling Clock
Noise Elimination
Circuit
Analog Delay Noise
Elimination Circuit
Rising Edge
Detection
Circuit
INT0/P10
INT2/P12
INTCSI
INT
BT
Edge
Detection
Circuit
IRQBT
IRQ0
IRQCSI
IRQ2
Interrupt Enable Flag (IE ××× )
VRQ2
VRQ1
VRQ3
Priority
Control
Circuit Vector
Table
Address
Generation
Circuit
Standby Release Signal
IST0
Decoder
IME