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SECTION 2
SIGNAL DESCRIPTION
This section contains a brief description of the input and output signals, with reference (if
applicable) to other sections which give greater detail on its use. Figure 2-1 provides a
detailed diagram showing the integrated peripherals and signals, and Tables 2-1–2-7
provides a quick reference for determining a signal's name, mnemonic, its use as an input
or output, active state, and type identification.
The terms assertion and negation will be used extensively.
This is done to avoid confusion when dealing with a mixture of
"active low" and "active high" signals. The term assert or
assertion is used to indicate that a signal is active or true,
independent of whether that level is represented by a high or
low voltage. The term negate or negation is used to indicate
that a signal is inactive or false.
MOTOROLA
NOTE
MC68306 USER'S MANUAL
2- 1
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