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CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Interrupt and HALT)
IPT0
EIPT0
IPT1
EIPT1
ISIF
EISIF
K00
KCP00
SIK00
K01
KCP01
SIK01
K02
KCP02
SIK02
K03
KCP03
SIK03
IT3
EIT3
IT2
EIT2
IT1
EIT1
IT0
EIT0
ISW1
EISW1
ISW10
EISW10
86
IK0
EIK0
Fig. 4.13.1 Configuration of the interrupt circuit
EPSON
Watchdog timer
Interrupt
vector
generation
circuit
Interrupt flag
Interrupt factor flag
Interrupt mask register
Input comparison register
Interrupt selection register
S1C63454 TECHNICAL MANUAL
NMI
interrupt request
Program counter
(low-order 4 bits)
INT
interrupt request
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