Panasonic MN103001G/F01K - Manual (Page 414)

I/O Ports
15-48
15.11 Port 9
15.11.1 Block Diagram
Fig. 15-11-1 to Fig. 15-11-4 show block diagrams for port 9.
Fig. 15-11-1 Port 9 Block Diagram (P97)
Fig. 15-11-2 Port 9 Block Diagram (P96)
Internal data bus
P9OUT
P97O
M
P
X P97
P... Represents one bit of each register.
P97M
P9MD
SYSCLK
Internal data bus
P... Represents one bit of each register.
P9OUT
P96O P96
P9DIR
P96D
P96I
P9IN
P96M
P9MD
BR