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2
Hardware Description
44
eUSB Embedded Flash module (optional)
The
CPM
supports
up
to
two
embedded
USB
(eUSB)
NAND
Flash
modules.
The
modules
are
USB
2.0
compliant
and
currently
provide
sizes
from
1GB
to
32GB
of
SLC
NAND
Flash.
The
eUSB
modules
have
read
speed
support
of
up
to
35MB/s
and
write
speed
up
to
17MB/s.
Figure 8
shows
an
eUSB
NAND
Flash
module
ready
for
installation
on
the
ATCA
‐
46xx
CPM.
Figure 8. eUSB NAND Flash module
The
modules
are
stackable
with
a
“Bottom”
version
form
factor
that
passes
through
a
USB
connection
to
a
“Top”
form
factor
module,
providing
redundant
flash
drive
support
in
a
small
footprint.
The
CPM
uses
PCH
USB
ports
2
and
3
for
the
eUSB
modules.
eUSB NAND
Flash Module