Description
The National Instruments PCIe-7821 Digital Reconfigurable I/O Device, part number 785359-01, is a powerful tool equipped with a Kintex-7 160T FPGA, providing versatile reconfigurability for a wide range of applications.
This device boasts four digital connectors, each with 32 channels that are individually programmable for I/O, PWM, encoder inputs, and timers/counters, making it highly adaptable to various digital tasks. The default logic level is set to 3.3 V, but it can support multiple logic levels, including 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V, catering to a broad spectrum of digital electronics.
With a maximum frequency of 80 MHz and compatibility with LVTTL and LVCMOS standards, the PCIe-7821 ensures high-speed performance while the 50 Ω output impedance maintains signal integrity. It also offers robust protection for your circuits with +20 V overvoltage protection.
Additionally, the inclusion of four external clocks with a maximum supported clock rate of 80 MHz allows for precise synchronization and timing control. The device’s 512 MB DRAM memory further enhances its capability to handle complex operations and large datasets.
| Attribute | Details |
|---|---|
| Product Name | National Instruments PCIe-7821 Digital Reconfigurable I/O Device |
| Part Number | 785359-01 |
| FPGA | Kintex-7 160T |
| Number of Digital Connectors | 4 |
| Channels per Connector | 32 |
| Channel Function | Individually programmable (I/O, PWM, encoder inputs, timers/counters) |
| Default Logic Level | 3.3 V |
| Supported Logic Levels | 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V |
| Maximum Frequency | 80 MHz |
| Digital Connector Compatibility | LVTTL, LVCMOS |
| Output Impedance | 50 Ω |
| Overvoltage Protection | +20 V |
| External Clocks | 4 |
| Maximum Supported Clock Rate | 80 MHz |
| DRAM Memory | 512 MB |
Question 1: What are the various logic levels supported by the National Instruments PCIe-7821 Digital Reconfigurable I/O Device, and what is its maximum supported clock rate for the four external clocks?
Answer 1: The individual programmability of the 32 channels on each of the four digital connectors of the National Instruments PCIe-7821 Digital Reconfigurable I/O Device enables versatile applications such as custom digital interfacing, signal processing, data acquisition, control systems, PWM outputs, encoder inputs, and the implementation of timers and counters for a wide array of industrial, research, and automation tasks.
Question 2: What features make the National Instruments PCIe-7821 Digital Reconfigurable I/O Device particularly adaptable for various digital applications?
Answer 2: The National Instruments PCIe-7821 Digital Reconfigurable I/O Device offers a total of 128 digital I/O channels across four digital connectors, supports multiple logic levels including 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V, and has a maximum supported external clock rate of 80 MHz.
Question 3: What range of logic levels does the National Instruments PCIe-7821 Digital Reconfigurable I/O Device support, and what is its maximum supported clock rate?
Answer 3: The National Instruments PCIe-7821 Digital Reconfigurable I/O Device supports a range of logic levels including 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V, and it has a maximum supported clock rate of 80 MHz.
Question 4: What are the versatile applications made possible by the individual programmability of the 32 channels on each of the four digital connectors of the National Instruments PCIe-7821 Digital Reconfigurable I/O Device?
Answer 4: The National Instruments PCIe-7821 Digital Reconfigurable I/O Device is particularly adaptable for various digital applications due to its Kintex-7 160T FPGA for versatile reconfigurability, four digital connectors with 32 individually programmable channels each, support for multiple logic levels including 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V, high-speed performance with a maximum frequency of 80 MHz
Question 5: What is the total number of digital I/O channels available on the National Instruments PCIe-7821 Digital Reconfigurable I/O Device, and what are its voltage level flexibility and maximum supported external clock rate?
Answer 5: The National Instruments PCIe-7821 Digital Reconfigurable I/O Device supports multiple logic levels, including 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V, and the maximum supported clock rate for its four external clocks is 80 MHz.
