H8-3048B Datasheet, PDF (887/901 Pages) Renesas Technology Corp – 8-Bit Single-Chip Microcomputer

Appendix C I/O Port Block Diagrams
Reset
R
Q
D
PB ₇ DDR
C
WPBD
TPC
Reset
R
TPC
output
PB ₇
Q
D
enable
PB₇ DR
Next data
C
WPB
Output
trigger
RPB
Legend:
WPBD: Write to PBDDR
WPB: Write to port B
RPB: Read port B
Figure C.11 (d) Port B Block Diagram (Pin PB₇)
DMAC
DREQ1
input
A/D converter
ADTRG
input
Rev. 3.00 Sep 27, 2006 page 861 of 872
REJ09B0325-0300