HD6413002 Datasheet, PDF (674/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

Appendix C I/O Port Block Diagrams
C.1 Port 4 Block Diagram
Reset
R
RP4P
Q
D
P4 _n PCR
C
WP4P
Reset
R
Write to external
address
Q
D
P4 _nDDR
C
WP4D
Reset
R
P4 _n
Q
D
P4_n DR
C
WP4
RP4
Read external
address
WP4P: Write to P4PCR
RP4P: Read P4PCR
WP4D: Write to P4DDR
WP4: Write to port 4
RP4: Read port 4
n = 0 to 7
Figure C-1 Port 4 Block Diagram
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