2714 - ICE40: What are the programming modes available in LatticeiCE40 device?

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  Solution: The time to program a Lattice FPGA is dependent on several factors including configuration mode, programming speed, and device size. Some configuration modes and methods are faster than others. The complete configuration time inherently ...

• 2436 - latticeXP2: What methods are available to initiate configuration for the LatticeXP2?

  Solution:The LatticeXP2 device has several methods to initialize the device that is controlled by the CFG[1:0] pins. When the CFG0 pin is high, the device will configure itself by reading the data stored in on-chip Flash; this is referred to as SDM, ...

• 4988 - What are the programming considerations for SSPIEM and I2CEM modification with Aardvark SPI/I2C APIs?

  Aardvark is a SPI/I2C adapter which can be used for programming of Lattice FPGA devices with Slave SPI or Slave I2C. Lattice Diamond provides SSPIEM and I2CEM example source codes which are modified with Aardvark SSPI and I2C API’s respectively. ...

• 5154 - MachXO3: In doing background programming with transFR enabled, how does the pin re-configured from being an input to bidi and it's behavior as bidi when device is power cycled?

  The I/O electrical properties like drive strength, slew rate, open-drain, pull modes are preserved from the Initial Programming. These settings are not cleared unless the device is power-cycled or loaded with a new bitstream to overwrite these ...

• 1766 - LatticeECP3: Is the LatticeECP3 SCM(Serial Configuration Mode) similar to LatticeECP2 slave serial programming mode?

  Yes, the LatticeECP2 slave serial programming mode and the LatticeECP3 SCM modes are identical. Both modes use a simple 2-pin interface(CCLK and DIN). The details of these programming modes are described in the LatticeECP3 sysCONFIG Usage guide and ...