H83048 Datasheet, PDF (890/905 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Appendix C I/O Port Block Diagrams
PB _n
Reset
R
Q
D
PB_n DDR
C
WPBD
Reset
R
Q
D
PB _n DR
C
WPB
TPC
TPC output
enable
Next data
Output trigger
ITU
Output enable
Compare
match output
RPB
WPBD: Write to PBDDR
WPB: Write to port B
RPB: Read port B
n = 4 and 5
Figure C.11 (b) Port B Block Diagram (Pins PB₄ and PB₅)
Rev. 7.00 Sep 21, 2005 page 866 of 878
REJ09B0259-0700