UPD78F9234MC-5A4-A Datasheet, PDF (56/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 4 PORT FUNCTIONS
4.2 Port Configuration
Ports consist of the following hardware units.
Item
Control registers
Ports
Pull-up resistor
Table 4-2. Configuration of Ports
Configuration
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)
Total: 26 (CMOS I/O: 24, CMOS input: 1, CMOS output: 1)
Total: 22
54
User’s Manual U17446EJ5V0UD