Renesas R-IN32M3 Series User Manual page 234

R-IN32M3-EC User's Manual
8.5.8 Real-Time Port 3 Buffer Function Change Registers (DRCTLRP3L,
DRCTLRP3H)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
DRCTLRP3L
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
DRCTLRP3H
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, PUIORP3n,
10, 7, 6, 3,
PDIORP3n
2
13, 12, 9, IOLRP3n1,
8, 5, 4, 1, 0 IOLRP3n0
Remark: n = 7 to 0
R18UZ0003EJ0501
Jan. 12, 2021
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 RP37 to RP30 pins.
PUIO PDIO
0 0
0 1
1 0
1 1
These bits specify the driving ability of the RP37 to RP30 pins.
IOL1 IOL0
0 1
1 1
Other than above
0 R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
0
0 R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
0
Description
Connection of a Pull-Up or Pull-Down Resistor
to the RP37 to RP30 Pins
Do not connect a pull-up or pull-down resistor.
Connect a pull-down resistor.
Connect a pull-up resistor.
Setting prohibited
Driving Ability of the RP37 to RP30 Pins
6 mA (recommended)
12 mA
Setting prohibited
8. Port Function
8 7 6 5 4 3 2 1 0
8 7 6 5 4 3 2 1 0
Page 221 of 224
Address
BASE + 0278H
Initial Value
0000 9999H
Address
BASE + 027CH
Initial Value
0000 9999H