Datasheet

Appendix C I/O Port Block Diagrams
Rev. 8.00 Mar. 09, 2010 Page 620 of 658
REJ09B0042-0800
C.3 Block Diagrams of Port 4
P4
3
PMR2
0
Internal data bus
IRQ
0
PMR2: Port mode register 2
Figure C.3(a) Port 4 Block Diagram (Pin P43)