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IRQNC setting
$
IRQNC resetting
112
Fig. 11-2 Interrupt Acceptance Flowchart
START
INT
pin
Timer
NC
No
Interrupt
Interrupt
request?
request?
Yes
Yes
IRQBTM0 setting
No
IPNC=1?
IPBTM0=1?
Yes
Yes
IRQBTM0 resetting
Interrupt acceptance
V
pin
SYNC
No
No
Interrupt
request?
Yes
IRQVSYN setting
IRQSIO0 setting
No
No
IPVSYN=1?
Yes
Yes
Yes
Yes
IRQVSYN resetting
IRQSIO0 resetting
PD17062
Serial interface
No
Interrupt
request?
Yes
No
IPSIO0=1?
Yes
No
EI state?
yes
IRQNC=
IPNC=1?
No
IRQBTM0=
IPBTM0=1?
No
IRQVSYN=
IPVSYN=1?
No
IRQSIO0=
IPSIO0=1
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