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21264/EV68A Hardware Reference Manual
Hardware Interface 3–1
3
Hardware Interface
This chapter contains the 21264/EV68A microprocessor logic symbol and provides
information about signal names, their function, and their location. This chapter also
describes the mechanical specifications of the 21264/EV68A. It is organized as fol-
lows:
• The 21264/EV68A logic symbol
• The 21264/EV68A signal names and functions
• Lists of the signal pins, sorted by name and PGA location
• The specifications for the 21264/EV68A mechanical package
• The top and bottom views of the 21264/EV68A pinouts
3.1 21264/EV68A Microprocessor Logic Symbol
Figure 3–1 show the logic symbol for the 21264/EV68A chip.