HD6433044 Datasheet, PDF (854/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

Reset
R
Q
D
PB ₆ DDR
C
WPBD
TPC
Reset
R
TPC
output
PB ₆
Q
D
enable
PB₆ DR
Next data
C
WPB
Output
trigger
Bus controller
CS₇
outpu
Chip select
enable
RPB
WPBD: Write to PBDDR
WPB: Write to port B
RPB: Read port B
Figure C-11 (c) Port B Block Diagram (Pin PB₆)
DMAC
DREQ0
input
847