Panasonic MN103001G/F01K - Manual (Page 375)

I/O Ports
15-9
15.2.3 Pin Configurations
Table 15-2-1 shows the pin configurations for port 0.
Table 15-2-1 Port 0 Configuration
Port Pin P0n P0nMD = "1" P0nMD = "0"
No. P02S="1" P02S="0"
Port 0 100 P00 General-purpose output port A20 Address output
99 P01 General-purpose output port A21 Address output
97 P02 General-purpose output port CAS DRAM CAS signal output (for 2WE) A22 Address output
[Note 1]
: When reset (whether in address/data separate mode or address/data multiplex mode)
[Note 2]
When the bus authority is granted, CAS, and A22 to A20 go to high impedance.