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4.2 Port Configuration
Ports consists the following hardware.
Parameter
Control registers
Ports
Pull-up resistors
CHAPTER 4
PORT FUNCTIONS
Table 4-2. Configuration of Port
Port mode register (PMm: m = 0 to 2, 4)
Pull-up resistor option register (PU0)
Port output mode register (POMm: m = 0, 1)
Total: 31 (N-ch open-drain output is specifiable for 18 ports.)
Software control: 31
User's Manual U12978EJ3V0UD
Configuration
59
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