One possible reason for a configuration loading error can be the image content loaded into the SPI flash. Some serial SPI Flash devices do not guarantee the data integrity of the first few bytes during a read. To address the issue, the ...
Assuming the frequency of the SPI Flash is not the limiting factor, there are two factors affecting CCLK frequency setting of Lattice ECP2M device in SPI Flash configuration mode: 1. fMAXSPI This is the maximum frequency that the internal ...
Description: Please check document TN1277. Here's an excerpt from the document: "The fault log data stored in the external flash can be read via the SPI interface. In the case where the external memory is connected to the primary SPI port, Diamond ...
Lattice Technical Support Expectation Please be advised that highest priority for Lattice Technical Support will be given to 1. Software which is not working as expected or suspected bugs. We recommend that customers use the latest software tools and ...
Lattice currently recommends the following for implementing Gigabit Ethernet interfaces: CertusPro-NX FPGAs: Use SERDES-based SGMII or RGMII Certus-NX, MachXO5-NX, and CrossLink-NX: Use RGMII These recommendations are based on updated LVDS-based ...
Glitch Fliter is used to prevent short-duration events of glitches, This is used to prevent False tripping on noise in a system. GLITCHFilter in device constraints , enables 1ns glitch filtering.
Description: Nexus device family has a default I2C slave address of 0x40 and you are allow to modify it based on your requirement. Solution: To permanently modify the I2C address, you can modify the desired value in .fea file and use the Programmer ...
Description: To understand the RTL formatting of the PCIe configuration space in the Nexus' PCIe demos, please refer to the following details. Figure 1 illustrates the initialization of the PCIe configuration space in the Nexus' demo.