Renesas R-IN32M3 Series User Manual page 102

R-IN32M3-CL User's Manual
7.5.3 Port 2 Buffer Switching Registers (DRCTLP2L, DRCTLP2H)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
DRCTLP2L 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0
R/W
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
DRCTLP2H 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0
R/W
Bit Position Bit Name
−
31 to 16
15, 14, 11, PUIOP2n,
10, 7, 6, 3,
PDIOP2n
2
9, 8, 5, 4 IOLP2n1,
IOLP2n0
Remark: n = 7 to 0
R18UZ0005EJ0400
Dec. 28, 2018
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
Reserved (Be sure to write 0 to these bits. If read, 0 is returned.)
These bits specify whether to connect a pull-up or pull-down resistor to the P27 to P20 pins.
PUIO PDIO
0 0
0 1
1 0
1 1
These bits specify the driving ability of the P26, P25
IOL1 IOL0
0 1
1 1
Other than above
0 1 0 1
0 R/W R/W 0 1 R/W R/W 0
0
0 1
0 R/W R/W 0 1 R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W 0
0
Description
Connection of a Pull-Up or Pull-Down Resistor
to the P27 to P20 Pins
Do not connect a pull-up or pull-down resistor.
Connect a pull-down resistor.
Connect a pull-up resistor.
Setting prohibited
,
P21, and P20 pins
Driving Ability of the P26, P25
6 mA (recommended)
12 mA
Setting prohibited
7. Port Functions
8 7 6 5 4 3 2 1 0
1 R/W R/W R/W R/W R/W R/W R/W R/W
8 7 6 5 4 3 2 1 0
0 1
1
,
P21, and P20 Pins
Page 92 of 104
Address
BASE+0230H
Initial value
0000 9999H
Address
BASE+0234H
Initial value
0000 9999H