Datasheet

Section 9 I/O Ports

Rev. 3.00 Mar. 15, 2006 Page 141 of 526

REJ09B0060-0300

• P81/FTIOA pin

Bit Name IOA2 IOA1 IOA0 PCR81 Pin Function

Setting Value 0 0 0 0 P81 input/FTIOA input pin

1 P81 output/FTIOA input pin

0 0 1 X FTIOA output pin

0 1 X X FTIOA output pin

1 X X 0 P81 input/FTIOA input pin

1 P81 output/FTIOA input pin

[Legend] X: Don't care.

• P80/FTCI pin

Bit Name PCR80 Pin Function

Setting Value 0 P80 input/FTCI input pin

1 P80 output/FTCI input pin

9.8 Port 9

Port 9 is a general I/O port also functioning as an SCI3_3 I/O pin. Each pin of the port 9 is shown

in figure 9.8. The register setting of the SCI3_3 has priority for functions of the pins for both uses.

P95

P96

P97

P90/SCK3_3

P94

P93

P92/TXD_3

P91/RXD_3

Port 9

Figure 9.8 Port 9 Pin Configuration