Panasonic MN103001G/F01K - Manual (Page 413)

I/O Ports
15-47
15.10.3 Pin Configurations
Table 15-10-1 shows the pin configurations for port 8.
Table 15-10-1 Port 8 Configuration
Port Pin No. P8n P8nA = "0" P8nA = "1"
Port 8 48 P80 General-purpose input port AN0 Analog signal input
47 P81 General-purpose input port AN1 Analog signal input
46 P82 General-purpose input port AN2 Analog signal input
45 P83 General-purpose input port AN3 Analog signal input
[Note 1]
: When reset (whether in address/data separate mode or address/data multiplex mode)
[Note 2]
When pin Nos. 45 to 48, respectively, are set as external interrupt input pins (IRQ7 to IRQ4), the pins must be set as
a general-purpose input port as shown in the above table.