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Chapter 3
Signal Descriptions
This chapter presents the SYM53C040 pin configurations and signal
definitions using tables and illustrations.
are the pin diagrams for all versions of the SYM53C040,
through
Table 3.4
show a alphabetical listing and numerical listing for
each version, and
Figure 3.3
definitions are presented in
functional groups.
•
Section 3.1, "Safety Mode Signals"
•
Section 3.2, "SFF-8067 Mode"
A slash (/) at the end of a signal name indicates that the active state
occurs when the signal is at a low voltage. When the slash is absent, the
signal is active at a high voltage.
Symbios SYM53C040 Enclosure Services Processor Technical Manual
Figure 3.1
is the functional signal grouping. The pin
Table 3.5
through
Table
through
Figure 3.2
Table 3.1
3.9, organized in
3-1
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