HD6433044 Datasheet, PDF (265/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

Table 9-4 summarizes the states of the input pull-up transistors.
Table 9-4 Input Pull-Up MOS States (Port 2)
Mode Reset Hardware Standby Mode Software Standby Mode Other Modes
1
Off
Off
2
3
4
Off
Off
5
Off
Off
6
7
On/off
On/off
Legend
Off: The input pull-up MOS is always off.
On/off: The input pull-up MOS is on if P2PCR = 1 and P2DDR = 0. Otherwise, it is off.
252