CHAPTER 4 PORT FUNCTIONS
User’s Manual U17446EJ3V1UD
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4.2 Port
Configuration
Ports consist of the following hardware units.
Table 4-2. Configuration of Ports
Item
Configuration
Control 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)
Ports
Total: 26 (CMOS I/O: 24, CMOS input: 1, CMOS output: 1)
Pull-up resistor
Total: 22