HD64F3028F25 Datasheet, PDF (901/925 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Hardware standby
Reset
R
Q
D
PB ₇ DDR
C
WPBD
Reset
R
PB7
Q
D
PB₇ DR
C
SCI
Input enable
TPC
TPC
output
enable
Next data
WPB
Output
trigger
RPB
WPBD: Write to PBDDR
WPB: Write to port B
RPB: Read port B
Figure C.11 (h) Port B Block Diagram (Pin PB₇)
SCI
Serial receive
data
Rev. 2.00, 09/03, page 869 of 890