2
Address Map
The PCI-60A is mapped into the PCI memory space. PCI I/O space is not used.
IndustryPack I/O, ID, memory, and interrupt vector registers are mapped in the PCI
memory space. Two address maps are supported: a standard memory map consuming
64 Mbytes of address space and a small memory map consuming 64 Kbytes. Size is an
order option.
The PCI bus allocates only one interrupt line to the PCI-60A per the PCI 2.1
Specification. The PCI-60A, however, provides an interrupt status register that quickly
identifies that IndustryPack slot generated the interrupt.
I/O Connections
The six IndustryPack positions are referred to as slots and identified by the letters A, B,
C, D, E, and F. Five of the slots have upright 50-pin flat cable headers accessible through
the rear panel of the PCI-60A for their I/O connections. The sixth slot has a right angle
connector available directly from the rear panel. The I/O connectors are mounted directly
on the PCI-60A board to provide a modular and reliable cabling system with inherent
strain relief. I/O cables may be inserted or removed without removing the PCI-60A from
the chassis. IndustryPacks in slots A and B may be installed or removed without
interfering with the I/O cabling.
PCI-60A provides protected and fi5V, +12V, and -12V supplies to each
IndustryPack by means of passive "T" filters, capacitors, and fuses. The three terminal
filters provide excellent RF rejection of power supply conducted noise. This permits use
of precision analog IndustryPacks together with high-speed digital IndustryPacks in the
same PCI-60A. The fuses are self-resetting Positive Temperature Coefficient devices.
The IndustryPack slots feature other power handling features such as separated ground
planes to reduce conducted noise.
PCI-60A IndustryPack interface is compliant with the ANSI/VITA 4 IndustryPack Module
Specification Revision 1.0. This guarantees compatibility with the wide range of
IndustryPacks currently available and planned.
Figure 1 is a block diagram of the PCI-60A.
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