m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 273

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.14.3. key-input interrupt-related registers (2)
Key-input mode register
b7
b6
P u l l - u p c o n t r o l r e g i s t e r 2
b7
b5
b6
b4
b5
b3
b4
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b2
b3
b2
b1
b1
b0
b0
Nothing is assigned.
In an attempt to write to this bit, write “0”. The value, if read, turns out to be “0”.
N o t h i n g i s a s s i g n e d .
I n a n a t t e m p t t o w r i t e t o t hes e b i t s , w r i t e “ 0 ” . T h e v a l u e , i f r e a d , t u r n s o u t t o b e “ 0 ” .
PU20
P U 2 1
P U 2 2
P U 2 4
P U 2 5
Bit symbol
Bit Symbol
Nothing is assigned. Write “0” when writing to these bits.
The value is “0” if read.
KIS0
KIS1
KIE0
KIE1
KIE2
KIE3
S y m b o l
Symbol
KUPM
P U R 2
P10 Key-input edge select 0
P10 Key-input edge select 1
P10
P10
P10
P10
P8
P 8
( E x c e p t P 8
P 9
( E x c e p t P 9
P 1 0
P 1 0
0
2
4
6
0
4
0
and P10
and P10
and P10
and P10
0
4
to P8
t o P 8
t o P 9
t o P 1 0
t o P 1 0
Bit name
Bit Name
3
7
3
A d d r e s s
0 3 F E
5
1
pull-up
p u l l - u p
p u l l - u p
)
)
1
3
7
3
7
5
Key-input enable bit
p u l l - u p
p u l l - u p
Key-input enable bit
Key-input enable bit
Key-input enable bit
1 6
Address
03F9
16
The corresponding port is pulled
high with a pull-up resistor
The corresponding port is pulled
high with a pull-up resistor
0 : Not pulled high
1 : Pulled high
0 : Not pulled high
1 : Pulled high
b1 b0
W h e n r e s e t
0 0 : Falling edge
0 1 : Rising edges
1 0 : Two edge
1 1 : Reserved
0 : Disabled
1 : Enabled
0 : Disabled
1 : Enabled
0 : Disabled
1 : Enabled
0 : Disabled
1 : Enabled
Function
0 0
1 6
When reset
Function
00
16
2. Key-Input Interrupt
O O
_ _
R W
O O
O O
O O
O O
O O
R
W