Datasheet

Section 9 I/O Ports
Rev. 3.00 Mar. 15, 2006 Page 144 of 526
REJ09B0060-0300
• P92/TXD_3 pin
Register SMCR3 PCR9
Bit Name TXD_3 PCR92 Pin Function
Setting Value 0 0 P92 input pin
1 P92 output pin
1 X TXD_3 output pin
[Legend] X: Don't care.
• P91/RXD_3 pin
Register SCR3_3 PCR9
Bit Name RE PCR91 Pin Function
Setting Value 0 0 P91 input pin
1 P91 output pin
1 X RXD_3 input pin
[Legend] X: Don't care.
• P90/SCK3_3 pin
Register SCR3_3 SMR3_3 PCR9
Bit Name CKE1 CKE0 COM PCR90 Pin Function
Setting Value 0 0 0 0 P90 input pin
1 P90 output pin
0 0 1 X SCK3_3 output pin
0 1 X X SCK3_3 output pin
1 X X X SCK3_3 input pin
[Legend] X: Don't care.