UPD78F9234MC-5A4-A Datasheet, PDF (68/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 4 PORT FUNCTIONS
4.3 Registers Controlling Port Functions
The ports are controlled by the following four types of registers.
• Port mode registers (PM0, PM2, PM3, PM4, PM12)
• Port registers (P0, P2, P3, P4, P12, P13)
• Port mode control register 2 (PMC2)
• Pull-up resistor option registers (PU0, PU2, PU3, PU4, PU12)
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User’s Manual U17446EJ5V0UD