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Overview of HCS12 Parallel Ports 1 of 3

2. . All I/O ports (except PORTAD0 and PORTAD1) have an associated data direction register and a data register.The name of the data direction register is formed by adding the letters DDR" as the prefix to the port name. For example, DDRA, DDRB, and DDRT.To configure a pin for output, write a 1'

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Overview of HCS12 Parallel Ports 1 of 3

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