Panasonic MN103001G/F01K User Manual

I/O Ports

15-61

15.14.1 Block Diagram

Fig. 15-14-1 shows a block diagram for port C.

Fig. 15-14-1  Port C Block Diagram (PC3 to PC0)

Internal data bus

M

P
X

PCn
(n=3,2,1,0)

PCOUT

PCnM

PCMD

PCnO

M

P
X

A23 to A16 

Output enable 

signal

A19 (n=3)

to A16(n=0)

P...

Represents one bit of each register.