Tech Square’s PCIe-7360 is a high-speed digital I/O board with 32-CH bi-directional parallel I/O lines. Data rate up to 400 MB/s is available through the x4 PCI Express® interface. Clock rate can support up to 100 MHz internal clock or 200 MHz external clock, ideally suiting applications of high-speed and large-scale digital data acquisition or exchange, such as digital image capture, video playback, and IC testing.
I/O Port Configuration & Level Shifting
The PCIe-7360, in initial power-up status for onboard 32-channel I/O lines, is input lines. The 32-channel I/O lines are bidirectional and can be divided into four groups, each carrying 8 channels and individually configurable as an input or output port. The PCIe-7360 also supports software-selectable logic levels of 1.8 V, 2.5 V, and 3.3 V, with all four groups matching the chosen logic level. In digital output mode, the outputs are tri-stated when the digital output lines are disabled. The programmable I/O direction and logic levels provide a flexible interface for devices under test (DUT).
Maximum Data Transfer Rate
The PCIe-7360 can support up to 400 MB/s throughputs along with a 32-bit data width at a maximum 100 MHz internal clock rate or 8/16-bit data width at a maximum 200 MHz external clock rate. The combination scatter-gather bus-mastering DMA, deep onboard 8 k-sample FIFO size, and x4 PCI Express® interface guarantee no data loss during sustained high-speed data processing.
Phase Delay
The PCIe-7360 features phase shifting of external sample clock or internal sample clock exporting, optimizing acquisition/generation timing in high-speed data transfer applications. The phase-shifting of the sample clock supports adjustment up to 80 steps, that is phase shifting from 4.5¢X to 355.5¢X, preventing erroneous sampling during transition states, such that sample timing is valid and stable.
12C & SPI Serial Interfaces
PCIe-7360’s application function I/O (AFI) can be configured as an I2C or SPI master node. The I2C interface supports fast mode and uses two bi-directional lines, SCL (serial clock) and SDA (serial data) respectively. The SPI interface uses four-wire signaling based on SCK (serial clock), SI (serial data input), SO (serial data output), and CS (chip select). Peripheral devices can communicate directly via the PCIe-7360¡¦s built-in I2C or SPI protocols along with provided APIs.
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