Panasonic MN101C77C, F77G user manual Port 6 Key Interrupt Control Register P6IMD

Chapter 3 Interrupts

■Port 6 Key Interrupt Control Register (P6IMD)

The port 6 key interrupt control register (P6IMD) selects if key interrupt is approved, and if external interrupt IRQ4 is approved. Also, this register selects, by 2 bits, which pin on port 6 approved key interrupt.

7		6	5	4	3	2	1	0
P6IMD	IRQ4SEL	-	-	-	P6KYEN4	P6KYEN3	P6KYEN2P6KYEN1

( At reset : 0 - - - 0 0 0 0 )

P6KYEN1	P61, P60 key interrupt
	selection

0	disable
1	enable
P6KYEN2	P63, P62 key interrupt
	selection
0	disable
1	enable
P6KYEN3	P65, P64 key interrupt
	selection
0	disable
1	enable
P6KYEN4	P67, P66 key interrupt
	selection
0	disable
1	enable
IRQ4SEL	IRQ4 interrupt source selection

0external interrupt IRQ4

1P6 key interrupt

Figure 3-3-7 Port 6 Key Interrupt Control Register (P6IMD : x'03F3E', R/W)

III- 46 External Interrupts