Tektronix SPG8000A Instructions Manual page 9
Master sync / clock reference generator declassification and security instructions
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Also See for SPG8000A:
- User manual (288 pages) ,
- Service manual (150 pages) ,
- Installation and safety instructions (58 pages)
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Table 2: Nonvolatile memory devices for the SPG8000A base generator
Type and
minimum size
Function
Serial EEPROM
Processor boot
AT24C01B 128x8
configuration data
NOR Flash
Main storage
PC28F512P30
for processor.
64Mx16
Contains
Operating system,
application
programs,
MAC address,
instrument family
type, FPGA
programming
files, signal, logo,
text overlay and
picture files.
NAND Flash
Not used.
K9F1G08U0A
128Mx8
Serial MRAM
Oven calibration
MR25H256
data
32Kx8
CPLD,
Decodes signals
5M240ZTQFP144,
from the processor
8192 bits flash
to generate control
lines for the slots,
front panel, and
devices on the
board. NV flash is
not used
Serial EEPROM
Run time data
AT24C01B 128x8
for power supply
showing time
of use and
temperature / time
related use
CPLD
Interfaces with
5M240ZTQFP100,
signals from
8192 bits flash
the main PLD,
memory not used
drives LEDs and
reads the buttons.
nonvolatile flash
memory is not
used.
SPG8000A Declassification and Security Instructions
Type
of user
information
Method of
Data input
stored
modification
method
None
None
Factory
JTAG
Both
Directly and
Presets are
data and
indirectly
saved from
settings
UI, files
and presets
are saved
from USB or
ethernet.
None
None
None
Settings
Indirectly
Perform
calibration
Settings
Indirectly
Software
upgrade
Data
Indirectly
Automatic
over time
Settings
Indirectly
Software
upgrade
Clear and sanitize procedures
User
Location
Accessible
Main / U21
No
Main / U101, U102
Yes
Main / U103
No
Main / U22
Yes
Main / U220
No
U1 on Power
Yes
Supply module;
also on Option DPW
secondary Power
Supply module
Front panel / U1
No
To clear
To sanitize
N/A
Remove part
from board
and destroy.
Perform the
Remove part
delete presets
from board
and user files
and destroy.
from memory
procedure.
N/A
N/A
Perform
Remove part
calibration
from board
and destroy.
N/A
N/A
None
Remove
parts from
board and
destroy; can
also remove
supply from
instrument
and leave it
in a secured
area; replace
supply with
one that has
not been in a
secure area
N/A
N/A
3
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