6637 - ECP5 Family: How to setup a SysConfig Daisy Chain in Lattice ECP5 or ECP5-5G?
To setup the SysConfig Daisy Chain using Bypass option, the following requirements and steps should be followed:
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5786 - iCE40 LP: Is daisy-chain programming possible on multiple iCE40 chips?
iCE40 does not support daisy chain programming. However, since programming is through SPI interface, SPI_SO, SPI_SI, SPI_SCK, and CRESET_B pins can still be connected on the same bus. SPI_SS pins should be separated which are controlled by the ...
1978 - LegacyDevices: What types of JTAG multi chain designs does the Lattice ispVM System software support?
Solution: The Lattice ispVM System software supports multi-chain BSCAN2 designs as described in the application notes AN8081 and AN8083 at: For other types of multi-drop JTAG designs, third party tools have been shown to be of help to connect the ...
6395 - All Nexus: What is the default state of Nexus Platform's sysCONFIG pins?
Table below provides tabulated information regarding the default state of all sysCONFIG pins. User may refer to FPGA-TN-02099 for more information.
6238 - Lattice Programmer Tool: How to program Lattice FPGA using Programmer?
1. Open Lattice Radiant/Diamond Programmer. 2. Detect the programming cable: -Click "Detect Cable" on most right corner, then choose the first port if you are using only 1 FTDI USB cable. The sequence always starts at 0 which is the allocated address ...
6514 - All Nexus Family: How to set DONE, INTN and PROGRAMN pins as GPIO in Nexus Family?
To use these Configuration pins as an IO, follow the steps below: 1.) The First step is to set this pins to DISABLE (in this case INITN_PORT, DONE_PORT and PROGRAMN_PORT to DISABLE). After running the design flow up to export files, a .fea file will ...