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FUJITSU F2MC-8L F202RA User Manual

Page 254

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CHAPTER 10 EXTERNAL INTERRUPT CIRCUIT 1 (EDGE)

Register Associated with Interrupt Generation by External Interrupt Circuit 1 and
Vector Table

For interrupt operation, see Section "3.4.2 Steps in the Interrupt Operation ".

Exercise Caution when Changing Edge Polarity Selection

When changing edge polarity for INT10 to INT12, always write "0" for the appropriate EIR bit to prevent

unintended interrupt generation.

Table 10.5-1 Register Associated with Interrupt Generation by External Interrupt Circuit 1 and Vector Table

Interrupt designation

Interrupt level setting register

Vector table address

Register

Bit for setting level

Upper

Lower

IRQ0

ILR1 (007B

H

)

L01 (bit1)

L00 (bit0)

FFFA

H

FFFB

H

IRQ1

L11 (bit3)

L10 (bit2)

FFF8

H

FFF9

H

IRQ2

L21 (bit5)

L20 (bit4)

FFF6

H

FFF7

H

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