NATIONAL INSTRUMENTS NI-9775 Digitizer Module User Guide
- June 12, 2024
- NATIONAL INSTRUMENTS
Table of Contents
NATIONAL INSTRUMENTS NI-9775 Digitizer Module
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Manufacturer: National Instruments
Board Assembly Part Numbers (Refer to Procedure 1 for identification procedure):
| Part Number and Revision | Description |
|---|---|
| 141084B-01L or later | NI 9775, 4-Ch 20 MS/S Digitizer |
| Volatile Memory | |
| --- | --- |
Target Data
|
Type
|
Size
| Battery Backup| User 1
Accessible
| System Accessible| Sanitization Procedure
AI Sample Record Data| SDRAM| 128 Mb| No| No| Yes| Cycle Power
AI Sample Streaming Data| FPGA
On-chip
| 414 Kb| No| No| Yes| Cycle Power
ADC Configuration| ADC
On-chip
| 34 bytes| No| No| Yes| Cycle Power
PLL Configuration| PLL On-
chip
| 24 bits| No| No| Yes| Cycle Power
Non-Volatile Memory (incl. Media Storage)
Target Data
| ****
Type
| ****
Size
| Battery Backup| User Accessible| System Accessible|
Sanitization Procedure
---|---|---|---|---|---|---
FPGA Bitstream| FLASH| 8MB| No| No| Yes| None
Device Configuration
· Calibration metadata
| EEPROM| 1 KB| No| ****
Yes
| ****
Yes
| ****
Procedure 2
· Calibration data2
· Device information
| | | | No
No
| Yes
Yes
| None
None
- Refer to the Terms and Definitions section for clarification of User and System Accessible
- Calibration constants that are stored on the device include information for the device’s full operating range. Any implications resulting from partial self-calibration can be eliminated by running the full self-calibration procedure.
Procedures
Procedure 1 – Board Assembly Part Number identification:
To determine the Board Assembly Part Number and Revision, check the top left
corner of the white label on the bottom of the module (19xxxx
Procedure 2 – Device Configuration EEPROM (Calibration Metadata):
The user-accessible areas of the Device Configuration EEPROM are exposed
through a calibration Applications Programming Interface (API) in LabVIEW.
Follow the instructions in KB 4GHLANQE for changing the calibration password
and clearing the user-defined information.
Terms and Definitions
Cycle Power:
The process of completely removing power from the device and its components
and allowing for adequate discharge. This process includes a complete shutdown
of the PC and/or chassis containing the device; a reboot is not sufficient for
the completion of this process.
Volatile Memory:
Requires power to maintain the stored information. When power is removed from
this memory, its contents are lost. This type of memory typically contains
application-specific data such as capture waveforms.
Non-Volatile Memory:
Power is not required to maintain the stored information. The device retains
its contents when power is removed. This type of memory typically contains
information necessary to boot, configure, or calibrate the product or may
include device power up states.
User Accessible:
The component is read and/or write addressable such that a user can store
arbitrary information to the component from the host using a publicly
distributed NI tool, such as a Driver API, the System Configuration API, or
MAX.
System Accessible:
The component is read and/or write addressable from the host without the need
to physically alter the product.
Clearing:
Per NIST Special Publication 800-88 Revision 1, “clearing” is a logical
technique to sanitize data in all User Accessible storage locations for
protection against simple non-invasive data recovery techniques using the same
interface available to the user; typically applied through the standard read
and write commands to the storage device.
Sanitization:
Per NIST Special Publication 800-88 Revision 1, “sanitization” is a process to
render access to “Target Data” on the media infeasible for a given level of
effort. In this document, clearing is the degree of sanitization described.
- October 2016 375644A-01 Rev 001
- Notice: This document is subject to change without notice. For the most recent version, visit ni.com/manuals.
- Contact: 866-275-6964 support@ni.com
References
- Clearing the User-Accessible EEPROM on an NI-DAQmx Supported Device - NI
- Product Documentation - NI
- NI-9775 National Instruments Digitizer Module | Apex Waves
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