Renesas R5S72621 User Manual
Section 32 General Purpose I/O Ports
R01UH0134EJ0400 Rev. 4.00
Page 1677 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Section 32 General Purpose I/O Ports
This LSI has 10 general purpose I/O ports: A, B, C, D, E, F, G, H, J, and K.
All port pins are multiplexed with other peripheral module pin functions.
Each port is provided with registers for selecting the pin functions and those I/O directions of
multiplex pins, data registers for storing the pin data and port registers for reading the states of the
pins.
multiplex pins, data registers for storing the pin data and port registers for reading the states of the
pins.
32.1
Features
By setting the control registers, multiplexed pin functions can be selectable.
When the general I/O function or TIOC I/O function of multi-function timer pulse unit 2 is
When the general I/O function or TIOC I/O function of multi-function timer pulse unit 2 is
specified, the I/O direction can be selected by I/O register settings.
Table 32.1 Number of General Purpose I/O Pins
Port SH7262
SH7264
A
4 I/O pins
B
22 I/O pins
C
9 I/O pins
11 I/O pins
D
16 I/O pins
E
6 input pins with open-drain outputs
F
13 I/O pins
G
21 I/O pins
25 I/O pins
H
4 input pins
8 input pins
J
4 I/O pins
12 I/O pins
K
No pin
12 I/O pins
Total
99 pins (89 I/O pins, 6 input pins with
open-drain outputs, and 4 input pins)
129 pins (115 I/O pins, 6 input pins with
open-drain outputs, and 8 input pins)