M16C29 Datasheet, PDF (349/499 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/Tiny SERIES

M16C/29 Group
19. Programmable I/O Ports
Pull-up Control Register 0 (1)
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PUR0
Address
03FC16
After Reset
0016
Bit Symbol
Bit Name
Function
RW
PU00
P00 to P03 pull-up
0: Not pulled up
RW
PU01
P04 to P07 pull-up
1: Pulled up ⁽¹⁾
RW
PU02
P10 to P13 pull-up
RW
PU03
P14 to P17 pull-up
RW
PU04
P20 to P23 pull-up
RW
PU05
P24 to P27 pull-up
RW
PU06
P30 to P33 pull-up
RW
PU07
P34 to P37 pull-up
RW
NOTE:
1. The pin for which this bit is 1 (pulled up) and the direction bit is 0 (input mode) is pulled up.
Pull-up Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PUR1
Address
03FD16
After Reset
0016
Bit Symbol
Bit Name
Function
RW
Nothing is assigned. If necessary, set to 0.
When read, the content is 0
(b3-b0)
PU14
P60 to P63 pull-up
0: Not pulled high
RW
PU15
P64 to P67 pull-up
1: Pulled high ⁽¹⁾
RW
PU16
P70 to P73 pull-up
RW
PU17
P74 to P77 pull-up
RW
NOTE:
1. The pin for which this bit is 1 (pulled up) and the direction bit is 0 (input mode) is pulled up.
Pull-up Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PUR2
Address
03FE16
After Reset
0016
Bit Symbol
Bit Name
Function
RW
PU20
P80 to P83 pull-up
0: Not pulled up
RW
PU21
P84 to P87 pull-up
1: Pulled up ⁽¹⁾
RW
PU22
P90 to P93 pull-up
RW
PU23
P95 to P97 pull-up
RW
PU24
P100 to P103 pull-up
RW
PU25
P104 to P107 pull-up
RW
(b7-b6)
Nothing is assigned. If necessary, set to 0.
When read, the content is 0
NOTE:
1. The pin for which this bit is 1 (pulled up) and the direction bit is 0 (input mode) is pulled up.
Figure 19.8 PUR0 to PUR2 Registers
Rev. 1.12 Mar.30, 2007 ^{page 325} of 458
REJ09B0101-0112