HD6475328-CP10 Datasheet, PDF (427/459 Pages) Hitachi Semiconductor – original Hitachi CMOS microcomputer unit (MCU)

C.7 Schematic Diagram of Port 7
Figure C-7 (a) to (e) gives a schematic view of the port 7 input/output circuits.
Reset
R1
QD
WP7D: Write to P7DDR
WP7: Write to Port 7
RP7: Read Port 7
P70 DDR
C
WP7D
Reset
R
P70
QD
P70 DR
C
WP7
8-Bit timer module
RP7
Input clock
Figure C-7 (a) Schematic Diagram of Port 7, Pin P70
Table C-7 (a) Port 7 Port Read (Pin P70)
Setting
DDR = 0
DDR = 1
Port Read Data
Pin value
DR value
418