Datasheet

Section 9 I/O Ports
Rev. 1.50 Sep. 18, 2007 Page 183 of 584
REJ09B0240-0150
• PH2/TXD_3 pin
Register SMCR PCRH
Bit Name TXD_3 PCRH2 Pin Function
Setting Value 0 0 PH2 input pin
1 PH2 output pin
1 X TXD_3 output pin
[Legend] X: Don't care.
• PH1/RXD_3 pin
Register SCR3_3 PCRH
Bit Name RE PCRH1 Pin Function
Setting Value 0 0 PH1 input pin
1 PH1 output pin
1 X RXD_3 input pin
[Legend] X: Don't care.
• PH0/SCK3_3/ADTRG pin
Register SCR3_3 SMR3_3 PMRG PCRH
Bit Name CKE1 CKE0 COM PMRG0 PCRH0 Pin Function
0 0 0 0 0 PH0 input pin
1 PH0 output pin
1 X ADTRG input pin
0 0 1 X X SCK3_3 output pin
0 1 X X X SCK3_3 output pin
Setting
Value
1 X X X X SCK3_3 input pin
[Legend] X: Don't care.