Panasonic MN101C77C - Manual (Page 153)

IV - 3
Chapter 4 I/O Ports
Overview
4-1-2 I/O Port Status at Reset
Table 4-1-1 I/O Port Status at Reset (Single chip mode)
4
Port Name I/O mode Pull-up / Pull-down resistor I/O port, special functions
Port 0 Input mode No pull-up resistor I/O port
Port 1 Input mode No pull-up resistor I/O port
P27 : Pull-up resistor
Others : No pull-up resistor
Port 5 Input mode No pull-up resistor I/O port
Port 6 Input mode No pull-up resistor I/O port
Port 7 Input mode No pull-up / pull-down resistor I/O port
Port 8 Input mode No pull-up resistor I/O port
Port A Input mode No pull-up / pull-down resistor I/O port
Port 2 Input mode I/O port