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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 (007BH)
L01 (bit1) L00 (bit0) FFFAHFFFBH
IRQ1 L11 (bit3) L10 (bit2) FFF8HFFF9H
IRQ2 L21 (bit5) L20 (bit4) FFF6HFFF7H