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CHAPTER 4
I/O PORTS
This chapter describes the functions and operation of the I/O ports.
4.1 "Overview of I/O Ports"
4.2 "Port 0"
4.3 "Port 1"
4.4 "Port 2"
4.5 "Port 3"
4.6 "Port 4"
4.7 "Program Example for I/O Ports"
