Panasonic MN101C77C - Manual (Page 135)

III - 41
Chapter 3 Interrupts
External Interrupts
Figure 3-3-3 External Interrupt 4 Interface Block Diagram
■ External Interrupt 4 Interface Block Diagram
IRQ4 Interrupt
request
0
7
IRQ4IR
IRQ4IE
-
-
REDG4
IRQ4ICR
IRQ4LV1
IRQ4LV0
-
0
7
EDGSEL0
EDGSEL1
EDGSEL2
EDGSEL3
EDGSEL4
Reserved
-
-
EDGDT
0
7
P6KYEN1
P6KYEN2
P6KYEN4
P6IMD
IRQ4SEL
-
-
-
P6KYEN3
P67/KEY7
P66/KEY6
P65/KEY5
P64/KEY4
P63/KEY3
P62/KEY2
P61/KEY1
P60/KEY0
P24/IRQ4 M
U
X
Polarity
Inversion
M
U
X
M
U
X
Edge detection
Noise filter 4