Interfacing With The Environment - Kontron AdvancedTCA AT8001 User Manual

1.6 Interfacing with the Environment

1.6.1 RTM (rear transition module)
Some I/O can be accessed through the use of a RTM. RTM use a proprietary pinout in J30 (Zone 3
connector) to bring out some I/O of the SBC. Only use Kontron's RTM with the AT8001. Currently
compatible RTM is the RT8000.
1.6.2 Mezzanine
The AT8001 supports two types of mezzanine depending on the ordered option. One option is two
AMC slots, the second option is one PMC slot. Using a mezzanine allows to add storage or I/O not
provided on board.
See Kontron's mezzanine offering for additional I/O capabilities.
1.6.2.1
The PMC mezzanine increases the I/O capability of the AT8001 by providing one slot with a PCI-X
bus up to 66MHZ/64-bits. It supports up to 266MB/s I/O bandwidth. However, this bandwidth is
shared with devices internal to the 6300ESB (SATA, USB) and devices hooked on the PCI 32
bit/33MHz bus (video & Fast Ethernet). For very high performance I/O, it is recommended to use
AMC instead.
1.6.2.2
Both AMC sites provide the same feature set. Each slot provides a AMC.1 type 8SE2. This mean that
the following signalling are supported:
•
PCI-Express X8 on AMC port 4-11
•
PCI-Express clock on CLK3
•
Gigabit Ethernet on AMC port 0 and 1
•
SATA on port 2
•
Telco clock on CLK1 and CLK2
Possible I/O bandwidth on the PCI-Express is 8GB/s full duplex. Uses of PCI-X reference clock is not
mandatory for AMC module. However, it is needed for spread spectrum clocking.
RTM are not designed to be hot swapped. Always make sure that either the system
is shut off or that the front board of the RTM is unpowered before removing or
installing the RTM.
PMC Expansion
AMC Expansion
WARNING
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AT8001 User's Guide