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CHAPTER 5
This chapter describes the I/O ports and provides the block diagrams of individual
ports. It also describes the register configurations.
5.1 "Overview of I/O Ports"
5.2 "Block Diagram of Basic I/O Port"
5.3 "Block Diagram of I/O Ports (Including the Pull-up Resistor)"
5.4 "Block Diagram of I/O ports (Including the Open-drain Output and the Pull-
up Resistor)"
5.5 "Block Diagram of I/O Port (With Open-Drain Output Function)"
5.6 "Port Data Register (PDR)"
5.7 "Data Direction Register (DDR)"
5.8 "Pull-up Control Register (PCR)"
5.9 "Open-Drain Control Register (ODCR)"
5.10 "Analog Input Control Register (AICR)"
I/O PORTS
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