HD6475348R Datasheet, PDF (461/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

Reset
R1
QD
P7n DDR
C
WP7D: Write to P7DDR
WP7: Write to Port 7
RP7: Read Port 7
n:
1 or 2
WP7D
Reset
R
QD
P7n
P7n DR
C
WP7
Free-running timer module
Output enable
Output Compare signal
RP7
Counter clock output
Figure C-7 (b) Schematic Diagram of Port 7, Pins P71 and P72
Table C-7 (b) Port 7 Port Read (Pins P71, P72)
Setting
DDR = 0
DDR = 1
Port Read Data
Pin value
DR value
451