M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 82
M30622MA-XXXFP
Manufacturer Part Number
M30622MA-XXXFP
Description
16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.M30622MA-XXXFP.pdf
(621 pages)
- Current page: 82 of 621
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________
NMI Interrupt
NMI Interrupt
Key Input Interrupt
______
Figure 1.14.11. Block diagram of key input interrupt
An NMI interrupt is generated when the input to the P8
is a non-maskable external interrupt. The pin level can be checked in the port P8
03F0
This pin cannot be used as a normal port input.
If the direction register of any of P10
input interrupt is generated. A key input interrupt can also be used as a key-on wakeup function for cancel-
ling the wait mode or stop mode. However, if you intend to use the key input interrupt, do not use P10
P10
“L” level is input to any pin that has not been disabled for input, inputs to the other pins are not detected as
an interrupt.
P10
P10
P10
______
P10
Pull-up
transistor
7
16
as A-D input ports. Figure 1.14.11 shows the block diagram of the key input interrupt. Note that if an
7
6
5
4
/KI
/KI
/KI
).
/KI
3
2
1
0
Pull-up
transistor
Pull-up
transistor
Pull-up
transistor
Port P10
register
Port P10
register
Port P10
register
Port P10
6
4
5
7
direction
direction
direction
direction register
Port P10
select bit
Port P10
register
4
to P10
4
7
-P10
direction
7
is set for input and a falling edge is input to that port, a key
7
pull-up
5
/NMI pin changes from “H” to “L”. The NMI interrupt
______
Key input interrupt control register
Interrupt control circuit
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
5
register (bit 5 at address
(address 004D
Key input interrupt
request
Mitsubishi microcomputers
M16C / 62 Group
______
16
)
4
to
67
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