HD64F3437TF16 Datasheet, PDF (102/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

Figure 4.3 shows the relationship between the IRQ₆ interrupt, KMIMR, and KMIMRA.
KMIMR0 (1)
P6₀/KEYIN₀
....
....
KMIMR6 (0)
P6₆/KEYIN₆/IRQ₆
IRQ₆ internal signal
KMIMR7 (1)
P6₇/KEYIN₇
KMIMR8 (1)
PA₀/KEYIN₈
....
....
KMIMR15 (1)
PA₇/KEYIN₁₅
IRQ₆E
IRQ₆SC
Edge/level select
and enable/
disable control
IRQ₆
interrupt
Initial values are given in parentheses
Figure 4.3 KMIMR, KMIMRA, and IRQ₆ Interrupt
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