M16C65 Datasheet, PDF (240/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

Under development
M16C/65 Group
Preliminary Specification
This is a preliminary specification and is subject to change.
13.3.1 Pull-Up Control Register 0 (PUR0)
13. Programmable I/O Ports
Pull-Up Control Register 0
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PUR0
Address
0360h
Bit Symbol
Bit Name
PU00
PU01
PU02
PU03
PU04
PU05
PU06
PU07
P0_0 to P0_3 pull-up
P0_4 to P0_7 pull-up
P1_0 to P1_3 pull-up
P1_4 to P1_7 pull-up
P2_0 to P2_3 pull-up
P2_4 to P2_7 pull-up
P3_0 to P3_3 pull-up
P3_4 to P3_7 pull-up
Function
0 : Not pulled high
1 : Pulled high
After Reset
00h
RW
RW
RW
RW
RW
RW
RW
RW
RW
In memory expansion or microprocessor mode, the corresponding register contents can be modified,
but the pins are not pulled high.
PU0i Bit (b7-b0) (i = 0 to 7)
The pin for which the PU0i bit is 1 (pulled high) and the direction bit is 0 (input mode) is pulled high.
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
Page 205 of 791