Configuration Of External Interrupt Circuit 1 - Fujitsu F2MC-8L F202RA Hardware Manual

10.2

Configuration of External Interrupt Circuit 1

External interrupt circuit 1 comprises the following two blocks:
• Edge detecting circuits (0 to 2)
• External interrupt control 1 registers 1, 2 (EIC1, EIC2)
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Block Diagram of External Interrupt Circuit 1
Figure 10.2-1 Block Diagram of External Interrupt Circuit 1 (EIC1, EIC2)
Pin
P34/TO/INT10
Pin
P35/INT11
External interrupt 1
control register 1
(EIC1)
Pin
P36/INT12
External interrupt 1
control register 2
(EIC2)
Edge detecting circuit 1
10
01
11
EIR1 SL11 SL10 EIE1
CHAPTER 10 EXTERNAL INTERRUPT CIRCUIT 1 (EDGE)
Edge detecting circuit 0
EIR0 SL01 SL00
Edge detecting circuit 2
EIR2 SL21 SL20
10
01
11
EIE0
Interrupt request
(IRQ0)
Interrupt request
(IRQ1)
10
01
11
EIE2
Interrupt request (IRQ2)
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