Signal Descriptions; Signal Pin Functional Groups - Intel 21555 User Manual

Signal Descriptions

This chapter presents the theory of operation information about the PCI signal interface. See
information about PCI registers.
Table 5. Signal Pin Functional Groups
Group by Signal Pin
Primary Bus and
Extension interface
Signal Pins
Secondary Bus and
Extension Interface
Signal Pins
Miscellaneous Signal
Pins
Timing
Optional configuration
and expansion
memory.
Arbitration
Interrupt
Error
Test Access Port
21555 Non-Transparent PCI-to-PCI Bridge User Manual
Table 5 describes the PCI signal groups, function, and provides a page reference.
Description
All PCI pins required by the PCI Local
Bus Specification, Revision 2.2.
All PCI 64-bit extension pins required
by the PCI Local Bus Specification,
Revision 2.2.
All PCI pins required by the PCI Local
Bus Specification, Revision 2.2.
All PCI 64-bit extension pins required
by the PCI Local Bus Specification,
Revision 2.2.
Two input voltage signaling pins.
Power Management, Hot-Swap, and
Reset Signals
Primary and Secondary PCI Bus
Clock Signals
Interface Signals
SROM Interface Signals
Primary PCI Bus Arbitration Signals
Primary and Secondary PCI Bus
Interrupt Signals
Error Signals
JTAG Signals
Chapter 16
See Page
Section 3.1 on page 24
Section 3.2 on page 26
Section 3.3 on page 28
Section 3.4 on page 30
Section 3.5 on page 31
Section 6.1 on page 65
Section 7.1 on page 77
Section 8.1 on page 81
Section 9.1 on page 91
Section 10.1 on page 97
Section 11.1 on page 101
Section 12.1 on page 105
Section 13.1 on page 111
3
for specific
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