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FAQ

How to solve "No Lattice cable detected on any port" and no detect cable on the GUI in newly installed Ubuntu 20.04.3?

The following procedures will serve as guide from the software installation process until the cable driver setup: 1. Install fresh Ubuntu 20.04.3 LTS. 2. Install Lattice Radiant. If you encounter \u201Cxcb\u201D error use the following commands: sudo apt-get install libxcb-input0sudo apt-get…

FAQ

How can I resolve ispDOWNLOAD cable and board Power setup issues?Error: ispDOWNLOAD cable detected.However, the board power is not turned ON 

There are several different possibilities for this error. Here are the things to check (in order of most likely to least likely): 1 - Check to see if the board is powered (obvious).2 \u2013 Check to see the cable signals are correctly connected to the board header.3 - Check to see if the part…

FAQ

HW-USBN-2A: What is the country of origin for the Lattice Cable HW-USBN-2A?

The country of origin for the Lattice Cable HW-USBN-2A is China.

FAQ

LatticeECP3: What is the recommended cable length for a CAT-6 cable that can be used with SERDES (Serializer/De-Serializer) transmit and receive data at a maximum speed of 3.125Gbps?

The recommended length of CAT-6 cable that can be supported with a SERDES is 10 feet. For more information, please refer to FPGA-TN-02196 (Transmission of High-Speed Serial Signals over Common Cable Media) for more information.

FAQ

ECP3: What are the recommendations for a flex cable that connects a sensor to the Lattice HDR-60?

Solution:Lattice currently does not offer an example flex cable solution to connect the Lattice Nanovesta sensor to the Lattice HDR-60 evaluation board. If you would like to design such a cable, the sensors will typically expect 50 ohm traces both on the PCBs and over the flex…

FAQ

Should I connect all the JTAG signals on the download cable to my board?

When using the USB or parallel ispDOWNLOAD cables, connect the "flywire" signals:VCC, TDO, TDI, TMS, GND, and TCK. ispEN (Enable Pin) and ispTRST (Reset Pin) are required for some older devices.Reference the datasheet of a specific device to determine if these two pins are required.Optional…

FAQ

Diamond version 3.13 Reveal Analyzer fails when using a HW-USBN-2A cable on a machine with an Intel CPU: ERROR - failed to set cable port (cable:USB port:EzUSB-0 error:-1).

Description:In Diamond version 3.13, when using a HW-USBN-2A cable on a machine with an Intel CPU, Reveal Analyzer may fail with the following error: ERROR - failed to set cable port (cable:USB port:EzUSB-0 error:-1).Solution:There is no planned fix for this issue in Diamond.To…

Webpage

Programming Cables for PCs

Use to quickly download your design to a Lattice programmable device, or perform various debug operations. Connects a PC to a target board or device via USB or Parallel ports.

Document

Software Cable Support

Release Notes 2.0 PDF 194.8KB

FAQ

Lattice Programming Cable: Does Lattice Programming Cable works with Parallel Port Conversion Adaptor?

Lattice does not encourage the use of port conversion adaptor (for example: USB to Parallel port convertor) and unable to guarantee the functionality of Lattice Programming Cable will operation as intended, if such adaptor was used. In any case, please use the Lattice programming cable…

FAQ

Do user needs to connect all wires from Lattice Programming Cable to an evaluation board?

When using the USB or parallel Programming Cables, user will typically connect the "flywire" signals: VCC, TDO, TDI, TMS, GND, and TCK. The other signals are optional connections that user may set checkboxes for in ispVM/Diamond/Radiant Programmer if user choose to connect it. Otherwise the…

FAQ

Power Manager II: Can I program Hercules Demo Board using the USB cable provided with the kit?

Yes, you can program using the USB cable provided with the kit. Using ispVM System one can download the JEDEC file created from PAC Designer. To make devices on the Hercules Demo Board available for loading the board JTAG_SEL(SW2) pins on the board needs to be set appropriately as shown…

FAQ

Diamond: Where can I find the driver for Lattice USB programming cable in Lattice Diamond ?

Solution:Assuming default installation directory for Lattice Diamond , the driver for Lattice USB programming cable can be found at:C:\lscc\diamond\3.x\data\vmdata\drivers\lscusbdriver\x86 (for Intel machine)The changes in files and directory structure reflect the change to Diamond Programmer…

FAQ

Does the Lattice DL2A Parallel Port download cable use an off-the-shelf RJ45 cable?

Solution:The DL2A cable uses a custom cable that has an RJ45 style crimp connector on one end. The cable can not be replaced with an off-the-shelf RJ45 network cable.

FAQ

Why does the USB ispDOWNLOAD cable raise the VCCJ voltage when I connect it to my low power board design?

Solution: A MachXO2 device is powered by a low voltage linear regulator that outputsthe proper voltage when powered up. It is then found that when the USB ispDOWNLOAD cable is connected to the board design to program the MachXO2, that the VCCJ voltage increases. Further testing shows that the…

FAQ

HW-USBN-2B: Why Lattice USB Programming cable is not working and the LED light is always on?

Description:There is a known issue where cable firmware with version "V001" may cause the USB programming cable to malfunction with LEDs light always on in certain scenario. Solution:The workaround is to update the cable firmware and FTDI firmware version to "V002" to resolve…

FAQ

Where should I connect the VCC pin of the HW-USBN-2B cable if I'm programming an iCE40 device?

The VCC pin of the HW-USBN-2B programmer is an input probe. It detects what voltage is being used by your design. You may connect the VCC probe to the voltage used by Bank1 of your design (which is associated with SPI_SI, SPI_SO, SPI_SCK and SPI_SS pins.

FAQ

What programming cable type should be selected in ispVM System when using the MachXO Control Development kit?

When using the MachXO Control Development Kit you should select the USB2 cable type in ispVM System. In the MachXO Control Development Kit a standard USB cable is provided which has a USB type A connector on one end and a USB 5 pin mini male connector on the other end. This is the…

FAQ

Lattice ispVM: What is the difference between the USB and USB2 cable types in ispVM System?

The USB cable type is used with the Lattice USB Download cable. This cable uses the fly-wire connectors to the target system board for maximum flexibility. These cables support programming of all Lattice devices with 1.2V, 1.8V, 2.5V, 3.3V, 5.0V core voltages. The USB…

FAQ

I have an ispMACH 4000ZE Pico Development Kit. What programming cable type should be selected in ispVM System?

When using the ispMACH 4000ZE Pico Development Kit you should select the USB2 cable type in ispVM System. In the ispMACH 4000ZE Pico Development Kit a standard USB cable is provided which has a USB type A connector on one end and a USB 5 pin mini male connector on the other end. This…