Datasheet

Section 9 I/O Ports
Rev.6.00 Sep. 27, 2007 Page 363 of 1268
REJ09B0220-0600
9.3 Port 2
9.3.1 Overview
Port 2 is an 8-bit I/O port. Port 2 pins also function as PPG output pins (PO
7
to PO
0
), TPU I/O pins
(TIOCA
3
, TIOCB
3
, TIOCC
3
, TIOCD
3
, TIOCA
4
, TIOCB
4
, TIOCA
5
, and TIOCB
5
) and 8-bit timer
I/O pins (TMRI
0
, TMCI
0
, TMO
0
, TMRI
1
, TMCI
1
, TMO
1
). Port 2 pin functions are the same in all
operating modes. Port 2 uses Schmitt-triggered input.
Figure 9.2 shows the port 2 pin configuration.
P2
7
(I/O) / PO
7
(output) / TIOCB
5
(I/O) / TMO
1
(output)
P2
6
(I/O) / PO
6
(output) / TIOCA
5
(I/O) / TMO
0
(output)
P2
5
(I/O) / PO
5
(output) / TIOCB
4
(I/O) / TMCI
1
(input)
P2
4
(I/O) / PO
4
(output) / TIOCA
4
(I/O) / TMRI
1
(input)
P2
3
(I/O) / PO
3
(output) / TIOCD
3
(I/O) / TMCI
0
(input)
P2
2
(I/O) / PO
2
(output) / TIOCC
3
(I/O) / TMRI
0
(input)
P2
1
(I/O) / PO
1
(output) / TIOCB
3
(I/O)
P2
0
(I/O) / PO
0
(output) / TIOCA
3
(I/O)
Port 2
Port 2 pins
Figure 9.2 Port 2 Pin Functions