For LatticeECP2M devices, all the four channels in a quad must be configured for the same protocol. In LatticeECP3 device family, multiple protocols within one quad of SERDES is supported. The standards are required to have the same reference clock ...
When attribute CHx_COMMA_ALIGN is set to "DYNAMIC", the protocol specific Link State Machines are bypassed. In that case, the word aligner will lock alignment (it will stop comparing the incoming data to the user-defined word alignment characters and ...
When in Quad Based Protocol Mode, the four channels in the same quad will be configured to the same rate -- either full-data-rate mode(Reference Clock Multiplier set to 10X or 20X) or half-data-rate mode(Reference Clock Multiplier set to 10XH or ...
By using MPCS, the user does not need to specify the location of SD_EXT_x_REFCLKn using a constraint file. Example snippet of the implementation: DIFFCLKIO DIFFCLKIO_inst ( .CLKIN0_P (sd_ext_0_p_i), .CLKIN0_N (sd_ext_0_n_i), .CLKIN1_P (), .CLKIN1_N ...
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.