NAT-MCH BASE-Module– Technical Reference Manual
Version 2.10
© N.A.T. GmbH
10
2.2
Block Diagram
The following figure shows a block diagram of the
NAT-MCH BASE-Module
and optional
available extension modules. If the extension module is added, customized I/O
functionality is available.
NAT-MCH BASE-Module – Block Diagram incl. LED Module
Figure 1:
MCF54452
Coldfire
12 x IPMB-L
IPMB-0
I²C
Cyclone
Gigabit
Ethernet
(1000Base-X)
SWITCH
C
on
ne
ct
or
to
C
LK
/
H
ub
-M
od
ul
e
ba
ck
pl
an
e
co
nn
ec
to
r
Gigabit Ethernet
Phy
Gigabit Ethernet
Phy
1000Base-X
MII
SPI
C
on
ne
ct
or
to
L
E
D
-
M
od
ul
RJ-45
RJ-45
CLK
connector
micro-
USB
USB
64MB
DDR2
1000Base-T
1000Base-T
64MB
FLASH
CPU local bus
CPU SDRAM bus
ext. CLK
ribbon cable
BASIC-PCB
NAT-MCH
LED
LED
LED
LED
AMCs
CUs
PMs
LED-MODUL
NAT-MCH
Fabric A
1000Base-X
to 12
AMCs
Update Fabric A
to second
NAT-MCH
1000Base-X
IPMB-L
to 12 AMCs
and to second
NAT-MCH
IPMB-0
to CUs and
PMs
I²C
to FRU
information
device
(on backplane)
I²C (for IPMI)
Micro-
controller
1000Base-X
1000
Base-X
to Hub-
Module
optional
optional
*External
Clock
transceiver
Module
* There are different external clock transceiver modules available. Please refer to the
NAT-MCH CLK-Module
technical reference manual for a more detailed description.
As it can be seen in Figure 1:, a LED-Module belongs to the
NAT-MCH BASE-Module;
it
is mounted on the front panel.
Please note
: the LED-Module, the second optional RJ45 and the external clock
transceiver module are not available for the LC (Low Cost) version!