Renesas M16C/29 Series Hardware Manual page 338

M16C/29 Group
Pull-up control register 0 (Note)
b7 b6 b5 b4 b3
Note : The pin for which this bit is "1" (pulled high) and the direction bit is "0" (input mode) is pulled high.
Pull-up control register 1
b7 b6 b5 b4 b3
Note : The pin for which this bit is "1" (pulled high) and the direction bit is "0" (input mode) is pulled high.
Pull-up control register 2
b7 b6 b5 b4 b3
Note : The pin for which this bit is "1" (pulled high) and the direction bit is "0" (input mode) is pulled high.
Figure 19.3.1. PUR0 to PUR2 Registers
Rev.1.00 Nov 01,2004
REJ09B0101-0100Z
b2 b1 b0
Symbol
PUR0
Bit symbol
PU00 P0
PU01 P0
PU02 P1
PU03 P1
PU04 P2
PU05 P2
PU06 P3
PU07 P3
b2 b1 b0
Symbol
PUR1
Bit symbol
Nothing is assigned. In an attempt to write to these bits, write
"0". The value, if read, turns out to be "0".
(b3-b0)
PU14 P6
PU15 P6
PU16 P7
PU17 P7
b2 b1 b0
Symbol
PUR2
Bit symbol
PU20 P8
PU21 P8
PU22 P9
PU23 P9
PU24 P10
PU25 P10
Nothing is assigned. In an attempt to write to these bits, write
(b7-b6)
"0". The value, if read, turns out to be "0".
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Address
03FC
16
Bit name
to P0 pull-up
0 3
0 : Not pulled high
to P0 pull-up
1 : Pulled high (Note)
4 7
to P1 pull-up
0 3
to P1 pull-up
4 7
to P2 pull-up
0 3
to P2 pull-up
4 7
to P3 pull-up
0 3
to P3 pull-up
4 7
Address After reset(Note 5)
03FD
16
Bit name
to P6 pull-up
0 : Not pulled high
0 3
1 : Pulled high (Note)
to P6 pull-up
4 7
to P7 pull-up
0 3
to P7 pull-up
4 7
Address
03FE
16
Bit name
to P8 pull-up
0 3
0 : Not pulled high
to P8 pull-up
1 : Pulled high (Note)
4 7
to P9 pull-up
0 3
to P9 pull-up
5 7
to P10 pull-up
0 3
to P10 pull-up
4 7
19. Programmable I/O Ports
After reset
00
16
Function RW
RW
RW
RW
RW
RW
RW
RW
RW
00000000
2
Function
RW
RW
RW
RW
RW
After reset
00
16
Function RW
RW
RW
RW
RW
RW
RW