Datasheet

Section 9 I/O Ports
Rev. 3.00 Mar. 15, 2006 Page 116 of 526
REJ09B0060-0300
• P10/TMOW pin
Register PMR1 PCR1
Bit Name TMOW PCR10 Pin Function
Setting value 0 0 P10 input pin
1 P10 output pin
1 X TMOW output pin
[Legend] X: Don't care.
9.2 Port 2
Port 2 is a general I/O port also functioning as SCI3 I/O pins. Each pin of the port 2 is shown in
figure 9.2. The register settings of PMR1 and SCI3 have priority for functions of the pins for both
uses.
P22/TXD
P21/RXD
P20/SCK3
P23
P24
Port 2
Figure 9.2 Port 2 Pin Configuration
Port 2 has the following registers.
• Port control register 2 (PCR2)
• Port data register 2 (PDR2)
• Port mode register 3 (PMR3)