Renesas M16C Series User Manual page 303

M30240 Group
Port Pi register
b7 b6 b5
Port P8 register
b7 b6 b5
Figure 2.132: Programmable I/O port related registers (2)
Pull-up control register 0
b7 b6 b5
Pull-up control register 1
b7 b6 b5
Figure 2.133: Pull-up control registers
Rev.1.00 Sep 24, 2003 Page 285 of 360
Symbol
b4 b3 b2 b1 b0
Pi (i = 0 to 3, 6, 7, 10)
Bit symbol Bit name
Pi_0 Port Pi register
0
Pi_1 Port Pi register
1
Pi_2 Port Pi register
2
Pi_3 Port Pi register
3
Pi_4 Port Pi register
4
Pi_5 Port Pi register
5
Pi_6 Port Pi register
6
Pi_7 Port Pi register
7
b4 b3 b2 b1 b0
Symbol
P8
Bit symbol Bit name
P8_0 Port P8 register
0
P8_1 Port P8 register
1
P8_2 Port P8 register
2
P8_3 Port P8 register
3
P8_4 Port P8 register
4
P8_5 Port P8 register
5
P8_6 Port P8 register
6
P8_7 Port P8 register
7
b4 b3 b2 b1 b0
Symbol Address
PUR0 03FC
Bit symbol Bit name
PU00 P0 to P0 pull-up
0 3
PU01 P0 to P0 pull-up
4 7
PU02 P1 to P1 pull-up
0 3
PU03 P1 to P1 pull-up
4 7
PU04 P2 to P2 pull-up
0 3
PU05 P2 to P2 pull-up
4 7
PU06 P3 to P3 pull-up
0 3
PU07 P3 to P3 pull-up
4 7
b4 b3 b2 b1 b0
Symbol Address
PUR1
Bit symbol Bit name
PU10 P6 to P6
0 3
PU11 P6 to P6
4 7
PU12 P7 to P7
0 3
PU13 P7 to P7
4 7
PU14 P8 to P8
0 3
PU15 P8 P8 , P8
4, 6
PU16 P10 to P10
0
PU17 P10 to P10
4
Address
03E0 , 03E1 , 03E4 , 03E5 ,
16 16 16 16
03EC , 03ED , 03F4
16 16 16
Function
Data is input and output to and from
each pin by reading and writing to
and from each corresponding bit
0 : "L" level data
1 : "H" level data (Note)
(i = 0 to 3, 6, 7, 10)
Address When reset
03F0 Indeterminate
16
Function
Data is input and output to and from
each pin by reading and writing to
and from each corresponding bit
(except for P8 )
5
0 : "L" level data
1 : "H" level data
When reset
00
16 16
Function
The corresponding port is pulled
high with a pull-up resistor
0 : Not pulled high
1 : Pulled high
When reset
03FD 00
16 16
Function
pull-up
The corresponding port is pulled
high with a pull-up resistor
pull-up
0 : Not pulled high
pull-up
1 : Pulled high
pull-up
pull-up
pull-up
7
pull-up
3
pull-up
7
Programmable I/O Ports
When reset
Indeterminate
Indeterminate
R W
R W
R W
R W