Datasheet

Section 9 I/O Ports
Rev. 4.00 Mar. 15, 2006 Page 116 of 556
REJ09B0026-0400
• P11 pin
Register PCR1
Bit Name PCR11 Pin Function
Setting value 0 P11 input pin
1 P11 output pin
• P10 pin
Register PCR1
Bit Name PCR10 Pin Function
Setting value 0 P10 input pin
1 P10 output pin
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 PMR1and SCI3 have priority for functions of the pins for both
uses.
P24
P23
P22/TXD
P21/RXD
P20/SCK3
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)