Chapter 3 Interrupts

External Interrupt 4 Interface Block Diagram

IRQ4ICR

IRQ4IR

IRQ4IE

-

-

-

REDG4

IRQ4LV0

IRQ4LV1

0

7

EDGDT

EDGSEL0

EDGSEL1

EDGSEL2

EDGSEL3

EDGSEL4

Reserved

-

-

0

7

P24/IRQ4

P60/KEY0

P61/KEY1

P62/KEY2

P63/KEY3

P64/KEY4

P65/KEY5

P66/KEY6

P67/KEY7

Noise filter 4

M

 

Polarity

U

M

X

Inversion

 

U

Edge detection

 

X

 

 

P6IMD

0

P6KYEN1

P6KYEN2

P6KYEN3

P6KYEN4

-

-

-

IRQ4SEL

7

M

U X

IRQ4 Interrupt

request

Figure 3-3-3 External Interrupt 4 Interface Block Diagram

External Interrupts

III - 41

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Image 135
Panasonic F77G, MN101C77C user manual External Interrupt 4 Interface Block Diagram