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NI (National Instruments) PXIe-7821 Kintex 7 160T FPGA, 128 DIO, 512 MB DRAM, PXI Digital Reconfigurable I/O Module
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NI (National Instruments) · PXI

PXIe-7821

The NI PXIe-7821 is a PXI Express digital reconfigurable I/O module with a Kintex-7 160T FPGA, 128 bidirectional digital channels, and 512 MB DRAM.

ManufacturerNI (National Instruments)
ModelPXIe-7821
Part Number783485-01
Product TypeKintex 7 160T FPGA, 128 DIO, 512 MB DRAM, PXI Digital Reconfigurable I/O Module
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30-Day Returnspolicy applies
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Bus ConnectorPXI Express
Maximum Clock Rate80 MHz
Bidirectional Digital Channels128
Digital I/O Logic Levels1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V
Dynamic RAM (DRAM)512 MB
External Clock Inputs4
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Overview

Product overview

Key product information and technical features.

The PXIe-7821, NI part number 783485-01, combines user-programmable FPGA processing with bidirectional digital I/O on the PXI Express bus. It provides a VHDCI front connection and single-ended digital signaling.

With LabVIEW FPGA, digital lines can be configured for inputs, outputs, counter/timers, PWM, encoder inputs, or specialized communication protocols. Peer-to-peer streaming supports direct data transfer between PXI Express modules.

  • Kintex-7 160T FPGA with 512 MB DRAM for reconfigurable onboard operation.
  • 128 bidirectional digital channels with software-selectable logic levels from 1.2 V to 3.3 V.
  • Maximum clock, acquisition, and generation rates of 80 MHz.
  • Single-ended digital I/O with 51 ohm termination.
  • Four external clock inputs and support for peer-to-peer streaming.
Verified specifications

Technical data

Verified product specifications.

Bus ConnectorPXI Express
Maximum Clock Rate80 MHz
Number of Bidirectional Digital Channels128
Digital I/O Logic Levels1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V
Dynamic RAM (DRAM)512 MB
Number of External Clock Inputs4
FPGAKintex-7 160T
Supports Peer To Peer StreamingYes
ReconfigurableYes
Bus ConnectionPXI Express
Front Connection TypeVHDCI
Signaling TypeSingle-Ended
Supported Hardware PlatformPXI
Digital I/O Termination51 Ohm
Output Voltage Range0 V to 3.3 V
Maximum Acquisition Rate80 MHz
Maximum Generation Rate80 MHz
Maximum Data Rate80 MHz
Module Width1
Onboard Memory512 MB
Supports Hardware CompareNo
NI part numbers783485-01
Condition & included items

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NI

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PXI

Supported Hardware Platform

PXIe-7821

This product

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Manuals & software

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Letter Of Volatility (NI)Letter Of Volatility · ni.com
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Getting Started (NI)Getting Started · ni.com
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Specifications (NI)Specifications · ni.com
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Dimensional Drawings (NI)Dimensional Drawings · ni.com
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Product Page (NI)Product Page · ni.com
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Shipping, warranty & returns

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Warranty
30-Day Warranty. Standard coverage applies.
Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

What is the NI part number for the PXIe-7821?

The listed NI part number is 783485-01.

How many digital channels does the PXIe-7821 provide?

It provides 128 bidirectional digital channels with selectable logic levels of 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V.

What FPGA and memory are included?

The PXIe-7821 uses a Kintex-7 160T FPGA and includes 512 MB of DRAM.

What are the maximum acquisition and generation rates?

The listed maximum acquisition and generation rates are both 80 MHz.

Which bus interface and front connection does it use?

The module uses a PXI Express bus interface and a VHDCI front connection.

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